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2PI SOLUTIONS INC.
Contact:JEFF REVIS, GM
Address:5335 WISCONSIN AVENUE, STE 440
WASHINGTON, DC 20015
Phone:(202) 274-1818
Fax:(202) 330-4565

A & K PLUMBING, INC.
Contact:Mr. Bob King
E-Mail:kingakplumbing@aol.com
Address:14300 Cherry Lane Court #112
Laurel, MD 20707
Phone:301-362-0093
Fax:301-362-0659
Services:CODE: 1/3/MBE(8a)

A S & L INDUSTRIAL SERVICES LLC
Contact:JOHN W LEWIS
Address:8143 BEACHWOOD ROAD
DUNDALK, MD 21222
Phone:(410) 388-2072
Fax:(410) 388-2074

A.D. HEATH CORPORATION
Contact:Mr. Arthur D. Heath, Jr.
E-Mail:kathy@adheathcorp.com
Address:3000 52nd Avenue
Hyattsville, MD 20781
Phone:301-779-3636
Fax:301-927-6450
Services:CODE: 1/3

A.G. PRADA COMPANY INC., Muirkirk Industrial Park
Contact:Mr. Arnold Prada
Alt. Contact:Mr. Patrick Prada
Address:12122 Conway Road
Beltsville, MD 20705
Phone:301-419-2594
Fax: 301-470-4251
Services:CODE: 1/2/4/5/6/11/16

ABSOLUTE COMFORT LLC
Contact:Mr. Jim Wilson
E-Mail:jwilson@absolutecomfort-md.com
Address:2014 Renard CT STE N
Annapolis, MD 21401
Phone:410-573-9043
Fax:410-573-9046
Services:CODE: 1/2/5/6/7/8/9/10/11/13/16/17

ACCURATE TEST & BALANCE
Contact:Mr. Robert Pierpont
Alt. Contact:Mr Patrick Fortney
Address:9105 Hampton Overlook
Capitol Heights, MD 20743
Phone:301-333-0669
Fax:301-333-5119
Services:CODE: Air & Water Balance

AIR SPECIALTIES INC.
Contact:Ms. Julia Mc’Donnell
E-Mail:airspecialties@verizon.net
Address:10545 Guilford Road STE 108
Jessup, MD 20794
Phone:301-497-4100
Fax:301-497-0373
Services:CODE: 1/2/4/5/11/15/16

AIRECO
E-Mail:savage@aireco.com
Address:P.O. Box 414
Savage, MD 20763
Phone:301-953-0002
Fax:301-490-6018
Services:CODE: Supplier

AL GLEESON ELECTRICAL CO.
Contact:Mr. Mike Vance
Address:4710 Upshur Street
Bladensburg, MD 20710
Phone:301-277-4680
Services:CODE: 1/3

ALL SEASON CONTROL
Contact:Mr. Thomas Evans
E-Mail:allseasoncontrol@verizon.net
Address:6526 Dower House Road
Upper Marlboro, MD 20772
Phone:301-599-2220
Fax:301-856-0655
Services:CODE: 2/4/5/7/11/16

AMERICAN COMBUSTION INDUSTRIES, INC.
Contact:Mr. William Zielinski
E-Mail:dpgrimard@aciindustries.com
Alt. Contact:Mr. Tim Kirlin
Alt. E-Mail:tkirlin@aciindustries.com
Address:3520 Bladensburg Road
Brentwood, MD 20722
Phone:301-779-3400
Fax:301-779-0425
Website:www.aciindustries.com
Services:CODE: 1/2/3/11/12/13/15/16 /Underground Storage Tanks, Rental Boilers

AMS of MARYLAND
Contact:Mr. Bob Emenecker
E-Mail:remenecker@amsofusa.com
Alt. Contact:Mr. Dave Schellhardt
Address:8039 Laurel Lakes Court
Laurel, MD 20707
Phone:301-206-5070
Fax:301-206-2520
Website:www.amsofusa.com
Services:CODE: 1/2/5/6/8/11/16

A-PLUS PLUMBING, INC.
Contact:Mr. John S. Horn
Address:5528 Gloucester Avenue
Churchton, MD 20733
Phone:410-867-9501
Services:CODE: 3/18

ARNESS MECHANICAL SERVICES, INC.
Contact:Mr. Sterling Green
E-Mail:arnessmechanical@cs.com
Address:6615 Wimbush Drive
Hughesville, MD 20637
Phone:301-807-4857
Fax:301-274-1987
Services:CODE: 11/15/17

B.L. AIR QUALITY INC.
Contact:Mr. Brian Lester
E-Mail:blpipeol@comcast.net
Address:4953 Dogwood Street
Shady Side, MD 20764
Phone:410-867-8514
Fax:410-867-3283
Website:www.blairquality.com
Services:CODE: 1/2/4/5/6/9/10/15/18

BAISTAR MECHANICAL INC.
Contact:Mr. Brandon Horne
E-Mail:bhorne@baistar.com
Address:8100 Ashton Avenue, Ste 209
Manassas, Virginia 20109
Phone:703-367-7790
Fax:703-367-7795
Website:www.baistar.com
Services:1/2/5/6/11/16 and engineering

BECK PLUMBING, INC.
Contact:Mr. James Beck
Address:784 West Waterville Road
Mt. Airy, MD 21771
Phone:301-607-8555
Fax:301-421-4310
Services:CODE: 3

BELMONT SERVICES LLC
Contact:Mr. Nathan Bozarth
Address:10614 Belmont BLVD
Lorton, VA 22079
Phone:703-541-2067
Fax:703-541-2068
Services:CODE: 1/2/3/11/17/18

BOLAND
Contact:Mr. Louis J. Boland
E-Mail:lou.boland@boland.com
Address:30 West Watkins Mill Road
Gaithersburg, MD 20878
Phone:240-306-3000
Fax:240-306-3400
Website:www.boland.com
Services:CODE: 2/4/5/6/8/9/10 MISC: Parts Ph: (240) 306-3100

BPI MECHANICAL CONSTRUCTION INC.
Contact:Mr. George Warren
E-Mail:gwhome542@msn.com
Alt. Contact:Ms. Linda Blackwell
Alt. E-Mail:Lindab@bpimechanical.com
Address:9103 Hampton Overlook
Capitol Heights, MD 20743
Phone:301-8O8-3704
Fax:301-808-7901
Services:CODE: 1

BRIAN TREMATORE PLUMBING & HEATING
Address:5 Daniel Road East
Fairfield , NJ 7004
Phone:973-227-8330
Services:CODE: 3

BROADWATER ENTERPRISES
Contact:Mr. John R. Mauck
Address:P.O. Box 309
Churchton, MD 20733
Phone:301-399-5430
Fax:410-867-4431
Services:CODE: 1/2/11

BTU MECHANICAL SERVICES, INC.
Contact:Mr. Wayne Saia
E-Mail:Btu1980@verizon.net
Address:2135 Espey Court Suite 14
Crofton, MD 21114
Phone:301-858-0300
Fax:410-451-5800
Services:CODE: 1/2/4

C & G MECHANICAL LLC
Contact:Mr. Robert Houghton
Address:8864 Doe Court
Laplata, MD 20646
Phone:301-392-9320
Fax:301-392-9320
Services:CODE: 2/5

C.R.W. MECHANICAL, INC.
Contact:Mr. Francis P. Russell
E-Mail:franrussell@crwmechanical.com
Address:5807 Ellerbie Street
Lanham, MD 20706
Phone:301-918-0056
Fax:301-459-0517
Services:CODE: 1/2/3/4/11/15

C.V. CARLSON COMPANY, INC.
Contact:Mr. Russell Hall
E-Mail:cvcarlson@hughes.net
Address:4585 Graphics Drive
White Plains, MD 20695
Phone:301-870-6701
Fax:301-870-8106
Services:CODE: 1/2/4/5/6/9/11/12/14/15/16

CAIGEANN MECHANICAL CO., INC.
Contact:Ms. Donna Fleming
E-Mail:donna@caigeann.com
Alt. Contact:Mr. Rich Daiker
Alt. E-Mail:rich@caigeann.com
Address:P.O.Box 274
Clarksville, MD 21029
Phone:443-535-9487
Fax:301-854-0250
Website:www.caigeann.com
Services:CODE: 1

CALVERT CONTROLS, INC.
Contact:Mr. Gary L. Frank
E-Mail:calvertcontrols@calvertcontrols.com
Address:641 Walton Road
Huntingtown, MD 20639
Phone:301-855-1986
Fax:301-855-1977
Website:www.calvertcontrols.com
Services:CODE: 2/4/5/6/9

CALVERT MECHANICAL, INC.
Contact:Ms. Patricia Soper
E-Mail:CalvertMechInc@aol.com
Address:P.O. Box 459 2425 Smokey Road
Huntingtown, MD 20639
Phone:301-855-6224
Fax:301-855-2118
Services:CODE: 1/2/3/4/5/7/11/16/18

CAPITAL COMPRESSOR, INC.
Contact:Mr. Jimmy Rushe
Address:9154 Edgeworth Drive
Capitol Heights, MD 20743
Phone:301-336-3712
Fax:301-336-1349
Website:www.capitalcompressor.com
Services:Medical Gas/Service

CARIBBEAN PIPING & WELDING
Contact:Mr. Carl C. Cruickshank
Address:4701 Vancouver Road
Baltimore, MD 21229
Phone:410-525-0419
Fax:410-525-1469
Services:CODE: 1/3/11/16

CARLISLE CONSTRUCTION COMPANY
Contact:Mr. Baryy Klinginburg
Address:300 East Joppa Road
Baltimore, MD 21286
Phone:410-789-9287
Services:CODE: 1/2/3

CARRIER COMMERCIAL SERVICE & EQUIPMENT
Contact:Mr. Tim Robinson
E-Mail:tim.w.robinson@carrier.utc.com
Alt. Contact:Mr. Dave Robinson
Alt. E-Mail:dave.robinson@carrier.utc.com
Address:22630 Dulles Summitt Court Suite 135
Sterling, VA 20166
Phone:703-843-5200
Fax:703-843-5390
Services:CODE: 2/5/6/8/Supplier

CDS MECHANICAL SERVICES INC.
Contact:Mr. Kenneth E. Comba Jr.
Address:2102 Bromley Court
Crofton, MD 21114
Phone:410-451-7157
Fax:410-451-7159
Services:CODE: 2/4/5/6/11/12

CHESAPEAKE FIRESTOP PRODUCTS
Contact:Mr. Clint Hardenett
Address:1 Research Court, Suite 110
Rockville, MD 20850
Phone:301-990-7173
Fax:301-990-7177
Website:www.cfpfirestop.com
Services:CODE: Fire Stopping Only

CITYWIDE CORE DRILLING, INC.
Contact:Mr. Travis Pettko
Address:751 Claggett Road
Sunderland, MD 20689
Phone:410-257-0726
Services:CODE: Core Drilling

CITYWIDE MECHANICAL, INC.
Contact:Mr. Travis Pettko
Address:751 Claggett Road
Sunderland, MD 20689
Phone:410-257-0726
Services:CODE: 1

CLEAN AIR MECHANICAL, INC.
Contact:Mr. James Hardesty Jr.
E-Mail:Camincpres@comcast.net
Address:3106 Sedgwick Lane
Bowie, MD 30715
Phone:410-257-4477
Fax:301-352-7749
Services:CODE: 1/2/4/5/6/7/8/9/10/11/16/18

COLD CRAFT
Contact:Mr. Eric W. Portch
Address:P.O. Box 2634
Springfield, VA 22152
Phone:703-550-8435
Fax:703-550-8447
Services:CODE: 2/4/5/6/12/15 MISC: 1-800-597-2511

COMBUSTIONEER CORPORATION
Contact:Mr. Joe Cuti
E-Mail:jcuti@combustioneer.com
Alt. Contact: Ms. Marcy Loy
Address:643 Lofstrand Lane
Rockville , MD 20850
Phone:301-340-2290
Fax:301-340-2612
Services:CODE: 1/2/4/5/6/8/11/12/16

COMFORT CONTROL INC.
Contact:Mr. Robert Gawne
E-Mail:cci@comfortcontrolbalance.com
Alt. Contact:Mr. Michael Moran
Alt. E-Mail:mmoran@comfortcontrolbalance.com
Address:6711 Distribution Drive
Beltsville, MD 20705
Phone:301-931-9300
Fax:301-931-0369
Services:CODE: 6/9/10

COMMERCIAL MOVING & RIGGING
Contact:Mr. Clifton G. Cooper
Address:14700 Industry Court
Woodbridge , VA 22191
Phone:703-643-3141
Fax:703-643-9022
Services:CODE: Rigging

CONCRETE TECHNOLOGY SERVICE
Contact:Mr. Terrance Gilliam
Address:10005 Good Luck Road
Glen Dale, MD 20769
Phone:301-794-7500
Fax:301-794-7200
Services:CODE: Core Drilling / LOCAL 5 ONLY

CONCRETE VISION
Contact:Mr. Christopher A. Gilliam
Address:P.O. Box 226
Gambrills, MD 21054
Phone:410-766-2210
Fax:410-787-8830
Website:www.concretevisions.ws
Services:CODE: Concrete Imaging

CONDITIONED AIR SYSTEMS, INC.
Contact:Mr. Richard Putnam
E-Mail:casputnam@aol.com
Address:5010 Bob White Court
Frederick, MD 21703
Phone:301-631-5888
Fax:301-631-5882
Website:www.cas-hvac.com
Services:CODE: 2/4

CONTROL MANAGEMENT SERVICES, INC.
Contact:Mr. Lewis Wingfield, Jr.
Address:5483 Brooks Woods Road
Lothian, MD 20711
Phone:301-261-5425
Fax:301-261-5611
Services:CODE: 2/5/6

CONTROL SYSTEMS SALES INC.
Contact:Mr. Allan L. Baggott
E-Mail:abccsi@bellatlantic.net
Address:300 Thomas Drive
Laurel, MD 20707
Phone:301-953-1450
Fax:301-953-0389
Services:CODE: 5/6

CONTROL WORKS, INC.
Contact:Mr. James W. Beardsley
Address:11805 Pika Drive
Waldorf, MD
Phone:301-870-8900
Fax:301-870-8901
Services:CODE: 5/6/12

CONTROLS UNLIMITED INC.
Contact:Mr. Glenn Glass
Address:2853 PS Business Center Drive
Woodbridge, VA
Phone:703-897-4300
Fax:703-897-4405
Services:CODE: 5/6

COOL-RITE SERVICE, INC.
Address:10705 John Hopkins Road
Laurel, MD 20723
Phone:301-953-2070
Fax:301-283-2600
Services:CODE: 1/2

COORDINATION TECHNOlOGIES, LLC
Contact:Mr. William Stoots
E-Mail:billstoot@ctechcad.com
Address:329 A Chestnut Hill Road
Forest Hill , MD 21050
Phone:443-371-5009
Fax:410-399-9958
Website:www.ctechcad.com
Services:CODE: 1/17

CRAFTCORPS INC.
Contact:ROBERT MULLEN, REG MANAGER
Address:217 W WILLIAMSBURG ROAD
SANDSTON, VA 23150
Phone:(804)737-9296
Fax:(804)737-9297

CRANE RENTAL CO., INC.
Contact:Mr. George Kauffman
E-Mail:cranerental@mindspring.com
Address:1601 W Street, N.E.
Washington , DC 20018
Phone:202-529-6100
Fax:202-529-6106
Services:CODE: Rigging

CRANE SERVICE CO., INC.
Contact:Mr. Steve O’Brien
E-Mail:steveo@craneserviceco.com
Address:9310 D’Arcy Road
Upper Marlboro , MD 20774
Phone:301-333-6200
Fax:301-333-6209
Website:www.craneserviceco.com
Services:CODE: Rigging

CROCKETT FACILITIES SERVICES, INC.
Contact:Mr. Mark Crockett
E-Mail:cfsi@comcast.net
Address:4901 Telsa Drive Ste L
Bowie, MD 20715
Phone:301-262-2771
Fax:301-262-4977
Website:www.crockett-facilities.com
Services:CODE: 1/2/4/5/6 WBE 8(a) MBE

CSI MECHANICAL, INC.
Contact:Mr. Cliff Angel
E-Mail:angelcsica@aol.com
Address:14223 Cherry Lane Court
Laurel, MD 20707
Phone:301-206-2067
Fax:301-206-2808
Services:CODE: 1/2/4

DENSEL COMPANY, INC.
Contact:Mr. Bryan Austin
E-Mail:baustin@densel.com
Alt. Contact: Mr. Everett Lucas III
Address:7640-A Airpark Road
Gaithersburg , MD
Phone:301-670-0970
Fax:301-840-9705
Website:www.densel.com
Services:CODE: 1/2/5/6/7/11/16

DENVER-ELK, INC.
Contact:Mr. Charles Elek
Address:8860 Kelso Drive
Baltimore, MD 21221
Phone:410-574-8400
Fax:410-574-6700
Services:CODE: 1

DOMINION MECHANICAL CONTRACTORS, INC.
Contact:Mr. William J. McAteer
E-Mail:wmcateer@dominionmc.com
Address:12329 Braddock Road
Fairfax, VA
Phone:703-992-9588
Fax:703-992-9589
Website:www.dominionmc.com
Services:CODE: 1/2/11/16

DOT DIAMOND CORE DRILLING
Contact:Mr. Matt Nolan
Address:1134 Taylor Street
Elyria, OH 44035
Phone:440-322-6466
Services:CODE: Core Drilling/LOCAL 5 ONLY

DUFFY MECHANICAL CORPORATION
Contact:Mr. Sean Duffy
E-Mail:sean_duffy@emcorgroup.com
Address:643 Lofstrand Lane
Rockville, MD 20850
Phone:301-217-9537
Fax:301-217-9647
Services:CODE: 1

DYNAMIC SYSTEMS INC.
Contact:Ms. Ida Swetz
Address:3901 S. Lamar Blvd. Suite 300
Austin, TX 78704
Phone:512-443-4848
Fax:512-443-7775
Website:www.dynamsys.com
Services:CODE: Specialty Piping

E.J. HERRING & SON, INC.
Contact:Mr. David Sumpter
E-Mail:Ejherring@aol.com
Address:621 Central Avenue, East Suite 601
Edgewater , MD 21037
Phone:301-261-7446
Fax:410-798-6505
Services:CODE: 1/2/4/5/11/16

ELLER GROUP DC LLC
Contact:WADE ELLER, PRINCIPAL
Address:2300 M STREET, NW, STE 800
WASHINGTON, DC 20037
Phone:(202)747-2595
Fax:(202) 497-2597

EMCOR GOVERNMENT SERVICES
Contact:Mr. Michael Rodgers
Alt. Contact:Mr. Tom Sanderson
Address:320 23rd Street South STE 10
Arlington, VA 22202
Phone:703-553-7500
Fax:703-486-7527
Services:CODE: 1/2/4/5/11/12

ENERFAB CORPORATION
Address:4955 Spring Grove Avenue
Cincinnati, OH
Phone:513-482-7710

ENERGY SYSTEMS, INC.
Contact:Mr. David Stith
E-Mail:esihvac@hughes.net
Alt. Contact:Ms. Sarah Stith
Address:P.O. Box 450
Lothian, MD 20711
Phone:301-384-1789
Fax:301-261-9712
Services:CODE: 1/2/4/5/6/7/12/13/16/18

ENVIRONMENTAL OPERATING SYSTEMS
Contact:Mr. Michael Stark
Alt. Contact:Mr. Robert F. Dykes
Address:511 4th Street
Laurel , MD 20707
Phone:301-953-1844
Fax:301-953-1179
Services:CODE: 5/6

FACILITY ENGINEERING SERVICES CORP.
Contact:Mr. Mike Maholchic
E-Mail:mikemaholchic@facilityeng.net
Address:630 Main Street
Reisterstown , MD 21136
Phone:410-833-2801
Fax:410-833-8810
Services:CODE: 2/4/6

FAZIO MECHANICAL CONTRACTORS
Contact:Mr. Daniel J. Mitsch
Address:300 S. Main Street
Sharpsburg, PA 15215
Phone:412-782-6338
Fax:412-782-4115
Services:CODE: 2/4

FIRST CALL PLUMBING, INC.
Contact:Mr. Michael Milbourne
E-Mail:first.call@comcast.net
Address:3334 Mt. Airy Court
Davidsonville, MD 21035
Phone:301-261-4605
Fax:301-261-4557
Services:CODE: 3

FOLEY PLUMBING, INC.
Contact:Mr. Terence Foley
Address:10111 Greeley Avenue
Silver Spring, MD 20902
Phone:301-681-8068
Services:CODE: 3

G & M SERVICES, LLC
Contact:Mr. Christopher A. Gilliam
E-Mail:cgilliam@gmservices.ws
Address:P.O. Box 971
Bowie, MD 20718
Phone:301-809-1665
Fax:410-787-8830
Website:www.gmservices.ws
Services:CODE: Core Boring

G.E. MANDLEY PLUMBING, INC.
Address:4480 Old National Pike
Mount Airy, MD 21771
Phone:301-831-0280
Services:CODE: 3/4

GAGHAN MECHANICAL, INC.
Contact:Mr. Kevin Gaghan
E-Mail:kpgaghan@cox.net
Alt. Contact:Mr. Tim Gaghan
Alt. E-Mail:tsgaghan@cox.net
Address:5649-D General Washington Drive
Alexandria, VA 22312
Phone:703-354-2471
Fax:703-354-3050
Services:CODE:1/2/3/4/5/9/10 MBE 8(a)

GARRETT A/C, REFRIG & HEATING, INC.
Contact:Ms. Debra L. Poole
E-Mail:debbie@garretthvac.com
Address:13921 Hallowell Court
Dayton, MD 21036
Phone:301-854-2700
Fax:301-982-7711
Services:CODE: 2/4/5/7/18

GENERAL & MECHANICAL SERVICES, LLC
Contact:Mr. Gregory B. Lilly
E-Mail:glilly@gms-hvac.com
Address:1007 Skidmore Drive
Annapolis , MD 21409
Phone:410-349-4070
Fax:410-349-4076
Website:www.gms-hvac.com
Services:CODE: 2/3/4/5/6/7/11/12/13/16/18

GODDARD INC.
Contact:Mr. James Goddard
Address:26769 W. Tin Top School Road
Mechanicsville, MD 20659
Phone:202-437-5150
Fax:301-290-0126
Services:CODE: 1/11/15/16

GSH
Contact:Mr. Chris Lewis
E-Mail:Chris.Lewis@gshgroup.com
Address:5710-C General Washington Drive
Alexandria, VA 22312
Phone:703-642-1601
Fax:703-642-1602
Website:www.gshgroup.com
Services:CODE: 1/2/4/5/6

H & D Mechanical LLC
Contact:Erik Harley, President
Address:701 Bestgate Road
Annapolis, MD 21401
Phone:(443) 949-9842
Fax:(443) 949-9863

HAI INTEGRATED BUILDING SERVICES, INC.
Address:14627 Chesterfield Road
Rockville, MD
Phone:301-460-0637
Services:CODE: 6/9/10 Indoor Air Quality

HEFFRON COMPANY, INC.
Contact:Mr. George Dunn
Address:4940 Nicholson Court, STE 100
Kensington, MD 20895
Phone:301-816-2088
Fax:301-816-2177
Website:www.heffroncompany.com
Services:CODE: 1 Thur 17

HIGH PURITY SYSTEMS, INC.
Contact:Ms. Jody Ralston,
E-Mail:jralston@highpuritysystemsinc.com
Alt. Contact: Mr. Doug Barefoot
Alt. E-Mail:dbarefoot@highpuritysystemsinc.com
Address:8432 Quarry Road
Manassas, VA 20110
Phone:703-330-5094
Fax:703-330-5094
Website:www.highpuritysystemsinc.com
Services:CODE: 1/11/17 Process Piping Specialists ,In-House Class 100 Fabrication Cleanroom

HONEYWELL INTERNATIONAL, INC.
Contact:Mr. Eric Ball
E-Mail:eric.ball@honeywell.com
Address:13655 Dulles Technology Drive
Herndon, VA 20171
Phone:703-793-4461
Fax:703-793-1560
Services:CODE: 2/5/6/16

HORIZON MECHANICAL SERVICES LLC
Contact:Mr. Ural Payton
E-Mail:ural@horizonmechanical.net
Address:6368 Coventry Way #361
Clinton, MD 20735
Phone:301-856-4265
Fax:301-856-0088
Website:www.horizonmechanical.net
Services:CODE: 1/2/4/5/6/16

HUNTER’S HEATING & AIR CONDITIONING, INC.
Contact:Mr. H. L. (Sonny) Edwards
E-Mail:hedwards@huntersmechanical.com
Address:1501 Wilson Blvd., Suite 510
Arlington, VA 22209
Phone:703-351-6692
Fax:703-351-7466
Website:www.huntersmechanical.com
Services:CODE: 1/2/3/4/7/11/16

HURLEY COMPANY
Contact:Mr. Pat Hurley
E-Mail:phurley@phurleyco.com
Address:4320 Bladensburg Road
Brentwood, MD 20722
Phone:301-779-4557
Fax: 301-779-6682
Services:CODE: 1/2/11/12/13/16

HVAC SPECIALIST, INC.
Contact:Ms. Denise J.C. Brewer
E-Mail:hvacspecialinc.@aol.com
Address:1020 19th Street Suite 400
Washington, DC 20036
Phone:202-775-0862
Fax:202-775-0863
Services:CODE: 1/2/3/4/5/6/8/11/16/17

I.A.C. SERVICE COMPANY, INC.
Contact:Mr. Chris Thomas
E-Mail:iacs11@aol.com
Address:14801 Build America Drive
Woodbridge, Va 22191
Phone:703-643-2444
Fax:703-490-5377
Services:CODE: 2/4/5/6/7

INTERSTATE SERVICE COMPANY
Contact:Mr. James Ashen
E-Mail:ischvac@aol.com
Address:4101 Utah Avenue
Brentwood, MD 20722
Phone:301-864-2121
Fax:301-864-1282
Services:CODE: 1/2/4/5/7/11/12/13/16

J & L MAVILIA, INC.
Contact:Ms. Linda Mavilia
E-Mail:jmavilia@aol.com
Alt. Contact:Mr. Chip Mavilia
Address:11209 Brown Road
Upper Marlboro, MD
Phone:301-952-1938
Fax:301-952-0446
Website:www.jlmav.com
Services:CODE: 1/2/8/13/15/16

JAMES GEORGE & COMPANY, INC.
Contact:Mr. John M. George
Address:7230 Pompano Terrace
Gaithersburg, MD 20879
Phone:202-438-4381
Services:CODE: 1/3

JAMES J. MADDEN, INC.
Contact:Mr. Howard W. Janoske
E-Mail:hjanoske@jamesjmadden.com
Address:904 Philadelphia Avenue P.O. Box 8247
Silver Spring, MD
Phone:301-587-1710
Fax:301-587-4824
Services:CODE: 1/2/3/4/5/6/7/8/9/10/11/16

JARVIS PLUMBING
Contact:Mr. David S. Jarvis
Address:1220 Blue Wing Terrace
Upper Marlboro, MD 20774
Phone:301-218-3400
Services:CODE: 3/18

JOHN C. GRIMBERG CO., INC.
Contact:Mr. Larry H. Zimmerman
E-Mail:lzimmerman@grimberg.com
Alt. Contact:Mr. Steve Grimberg
Alt. E-Mail:sgrimberg@grimberg.com
Address:3200 Tower Oaks BLVD. Suite 300
Rockville, MD 20852
Phone:301-881-5120
Fax:301-881-4938
Website:www.grimberg.com
Services:CODE: 1/6/11/15

JOHN J. KIRLIN, LLC
Contact:Mr. Matt Hahr
E-Mail:mhahr@jjkllc.com
Alt. Contact:Mr. Robert Bacon
Alt. E-Mail:rbacon@jjkllc.com
Address:515 Dover Road, Suite 2200
Rockville, MD 20850
Phone:301-424-3410
Fax:301-738-8888
Services:CODE: 1/17

JOHN J. KIRLIN, LLC MECHANICAL SERV. DIV.
Contact:Mr. Bradlee A. Bolino,
E-Mail:bbolino@jjkllc.com
Alt. Contact: Mr. Tim Cornell
Alt. E-Mail:tcornell@jjkllc.com
Address:515 Dover Road, Suite 2700
Rockville , MD 20850
Phone:301-294-6400
Fax:301-294-6527
Services:CODE: 2/3/4/5/6/16

JOHN JOSEPH CONTRACTING LLC
E-Mail:jc1273@comcast.net
Address:1273 Crossover Drive
Edgewater, MD 21037
Phone:443-271-8842
Website:www.jjcllc.com
Services:CODE: 1

JOHNSON CONTROLS, INC.
Contact:Mr. Veachel (Rusty) Tucker
E-Mail:veachel.c.tucker@jci.com
Alt. Contact:Mr. Lee R. Guill
Alt. E-Mail:lee.r.guill@jci.com
Address:1101 Hampton Park Blvd Building C, Suite 100
Capitol Heights, MD 20743
Phone:301-324-4500
Fax:301-324-4637
Website:www.johnsoncontrols.com
Services:CODE: 1/2/4/5/6/9/10/11/16

JOHNSON CONTROLS, INC.
Contact:Mr. D. Kelly McKay
E-Mail:daniel.k.mckay@jci.com
Address:1101 Hampton Park Blvd Building C, Suite 100
Capitol Heights, MD 20743
Phone:301-324-4500
Fax:301-324-4637
Website:www.jci.com
Services:CODE: 2/4/5/6

JOINES ENTERPRISES INC.
Contact:Mr. Russell Joines
E-Mail:mejoines@aol.com
Address:9112 51st Place
College Park, MD 20740
Phone:301-474-5211
Fax: 301-474-1618
Services:CODE: 2/4/5/6/11

JONES & WOOD, INC
Contact:Mr. Ellis S. Jones
E-Mail:jones_wood_inc@yahoo.com
Address:1702 Minnesota Ave. SE APT 1
Washington, DC
Phone:202-678-4035
Fax: 202-678-4038
Services:CODE: 1/7/11/12/13/16

JOSHUA CONSTRUCTION, INC.
Contact:Mr. Steve Levee
E-Mail:steve.levee@joshua-construction.com
Address:13-15 East Deer Park Drive, Suite 200
Gaithersburg, MD 20877
Phone:301-948-6798
Fax:301-948-3713
Website:www.joshua-construction.com
Services:CODE: 1

JOURNEYMAN MECHANICAL CONTRACTORS, INC.
Contact:Mr. Derril Mackin
E-Mail:dmackin@journeyman-mechanical.com
Alt. Contact: Mr. George Owen
Address:2125 Baldwin Avenue, Suite 19-B
Crofton, MD 21114
Phone:301-261-6200
Fax:301-261-0406
Services:CODE: 2/4/5/7

JPG PLUMBING SERVICES, INC.
Contact:Mr. John P. Geiling
E-Mail:jgeiling@jpgplumbing.com
Address:P.O. Box 24 6700 A Distribution Drive
Beltsville, MD
Phone:240-241-5060
Fax:240-241-5055
Website:www.jpgplumbing.com
Services:CODE: 1/3

KELLY HVAC, INC.
Contact:Mr. Christopher F. Kelly,
E-Mail:kellyhvac@kellyhvac.com
Alt. Contact: Mr. Phil Hulsey
Alt. E-Mail:phulsey@kellyhvac.com
Address:8431 Old Marlboro Pike Suite 200
Upper Marlboro, MD 20772
Phone:301-736-6585
Fax:301-736-3114
Website:www.kellyhvac.com
Services:CODE: 1/2/3/4/5/7/9/11/12/16

KENT ISLAND HEATING & A/C
E-Mail:kentislandmechanical@verizon.net
Alt. Contact:Mr. Mark E. Bowen
Address:100 Sillen Plantation Road
Stevensville, MD 21666
Phone:301-652-2785
Fax:301-652-2786
Services:CODE: 1

KINETIC CONSTRUCTION
E-Mail:rwood@kineticsgroup.com
Alt. E-Mail:ron.wood@kinetics.net
Address:4226 Surles Court, Suite 500
Durham, MD 27703
Phone:919-474-4626
Fax:919-474-4219
Services:CODE: Specialty Piping

KOCHARIAN AND COMPANY, INC.
Contact:Mr. Harry Kocharian
E-Mail:harryk@rcn.com
Address:8394 Terminal Road, Unit G P.O. Box 680
Newington, VA
Phone:703-541-2100
Fax:703-541-2103
Services:CODE: 1/11/15/16

L.E. DIGGS PLUMBING & HEATING
Contact:Mr. Lagrand Diggs
E-Mail:le.diggs@verizon.net
Address:15107 Jeremiah Lane
Bowie, MD 20721
Phone:301-218-4700
Fax:310-218-4700
Services:CODE: 1/3 ASSE Backflow Cert.

L.R. ZANCAN, INC.
Address:513 Marshall Manor Drive
Silver Spring, MD 20905
Phone:301-384-3810
Fax:301-384-3810
Services:CODE: 3

LEO MECHANICAL SERVICES, INC.
Contact:Mr. Steve Leo
E-Mail:srleo@comcast.net
Address:2705 Elton Court
Crofton , MD 21114
Phone:410-451-4311
Fax:410-451-4311
Services:CODE: 1/2

LIMBACH COMPANY, LLC
Contact:Mr. Craig Sasser
E-Mail:craig.sasser@limbachinc.com
Address:10110 Senate Drive
Lanham, MD 20706
Phone:301-429-0900
Fax:301-429-9446
Website:www.limbachfacilityservices.com
Services:CODE: 1/2/3/4/5/6/10/11/12/17

LOWERY MECHANICAL CONTRACTORS, INC.
Contact:Mr. Robert L. Lowery
E-Mail:lowmech@aol.com
Address:7620-E Rickenbacker Drive
Gaithersburg, MD 20879
Phone:301-670-9188
Fax:301-670-6347
Services:CODE: 1/5/7/9/11/13/14

M & M WELDING AND FABRICATORS, INC.
Contact:Ms. Carey Dove
E-Mail:cdove@mandmwelding.com
Alt. Contact:Mr. Dave Poe
Address:8100 Cessna Avenue
Gaithersburg, MD 20879
Phone:301-948-9330
Fax:301-948-8803
Services:CODE:1/2/4/5/11/12/13/14/16/17, MBE / MDOT / WMATA DBE, Rental Boilers-Generators-Chillers, Power Piping

M.A.C. MECHANICAL, INC.
Contact:Mr. Michael A. Cizler
Address:P.O. Box 2286
Waldorf, MD 20604
Phone:301-870-4245
Services:CODE: 3

M.A.T. SERVICES, LLC
Contact:Mr. Miguel Tejada
E-Mail:mtejada@matservicesllc.com
Address:1041 Sterling Road, Suite 103
Herndon, VA 20170
Phone:703-481-8989
Fax:703-481-8687
Services:CODE: 1/2/3/4/5/7/9/10/11

MCLEAN CONTROLS, INC.
Contact:Mr. Michael J. McLean
E-Mail:mike.mclean@mcleancontrols.com
Address:21-D Industrial Park Drive
Waldorf, MD 20602
Phone:301-843-3292
Fax:301-843-5162
Website:www.mcleancontrols.com
Services:CODE: 2/5/6

MCT SERVICES, LLC
Address:7401 W. 129th Street
Overland Park, KS 66213
Phone:913-664-7400
Fax: 913-664-7439
Services:CODE: Cooling Tower Installation & Sales

MECCO, INC.
Contact:Mr. Mike Fulford
E-Mail:mfulford@meccoinc.net
Alt. Contact:Mr. Mike Masters
Address:10545 Guilford Road #105
Jessup, MD 20794
Phone:301-953-7600
Fax: 301-953-7667
Website:www.meccoinc.net
Services:CODE: 1/2/3/4/16

MECHANICAL COMFORT SYSTEMS INC.
Contact:Mr. John C. Myer
E-Mail:mechcomfort@aol.com
Address:P.O. Box 1657
Edgewater, MD 21037
Phone:410-798-1093
Fax:410-798-1094
Services:CODE: 1/2/5/6/15/18

MECHANICAL SYSTEMS, INC.
Contact:Mr. Steven F. Poore
E-Mail:spoore@mechsys.com
Alt. Contact:Mr. Robert M. Poore
Alt. E-Mail:rpoore@mechsys.com
Address:8310 Guilford Road, Ste D
Columbia, MD 21046
Phone:(410) 381-4444
Fax:(410) 381-4443
Website:www.mechsys.com
Services:CODE: 1/2/4/5/6

METRO TEST & BALANCE INC.
Contact:Mr. Frank Battaglino
E-Mail:Frank@metrotestBalance.com
Address:8640 Edgeworth Drive
Capitol Heights, MD 20743
Phone:301-808-3660
Fax:301-808-4216
Services:CODE: 2/4/7/9/10

MONTGOMERY MECHANICAL SERVICES, INC.
Contact:Mr. Richard Stewart
E-Mail:RstewartMM@aol.com
Alt. Contact:Mr. Charles Hill
Address:1420 Ritchie Marlboro Road B7
Capitol Heights, MD 20743
Phone:301-808-8000
Fax:301-808-8001
Services:CODE:1/2/3/4/5/6/11/12/15/16 MBE / MDOT

NELSONS REFRIGERATION
Contact:Mr. Mike Nelson
E-Mail:mike_nelson@IRCO.com
Address:12110 Cary Circle STE 6
Lavista, NE 68128
Phone:402-734-0600
Fax:402-734-2345
Services:CODE: 2/4/5/6

NORAIR ENGINEERING
Contact:Mr. Richard Norair
E-Mail:rnorair@norair.com
Address:337 Brightseat Road Suite 200
Landover , MD 20785
Phone:301-499-2202
Fax:301-499-1342
Website:www.norair.com
Services:CODE: 1

NORTHWIND SERVICE, INC.
Contact:Mr. John Dan
E-Mail:northwindserviceinc@earthlink.net
Address:8916 57th Avenue
Berwyn Heights , MD 20740
Phone:301-220-3732
Fax:301-220-3456
Website:www.northwindservice.com
Services:CODE: 2/4/5/6

NOYES AIR CONDITIONING CONTRACTORS, INC.
Contact:Mr. Greg Trimmer
E-Mail:gtrimmer@nacgroup.com
Alt. Contact:Mr. Chris Kaufman
Alt. E-Mail:ckaufman@nacgroup.com
Address:16761 Oakmont Avenue
Gaithersburg , MD
Phone:301-670-6300
Fax:301-670-6379
Website:www.nacgroup.com
Services:CODE: 1/2/5/6/11

NRG MECHANICS, INC.
Contact:Mr. Frederick W. Hoots
E-Mail:nrgmech@olg.com
Address:2871 Deep Landing Road
Huntingtown, MD 20639
Phone:301-855-9282
Fax: 301-855-9282
Services:CODE: 5/6

OASIS MECHANICAL CONTRACTORS, INC.
Contact:Mr. Richard Cummings
E-Mail:RCummings@oasismechanical.com
Address:4611 Assembly Dr. Suite H
Lanham, MD 20706
Phone:301-577-5400
Fax: 301-577-3499
Website:www.oasismechanical.com
Services:CODE: 1/2/5/6/8/11/16/17

PARAMOUNT MECHANICAL CORP - HVAC SERVICE
Contact:Mr. George Barberoglou
E-Mail:gbarberoglou@paramount-mech.com
Address:7055 Gateway Court
Manassas, VA 20111
Services:CODE: 2/4/5/6/12

PARAMOUNT MECHANICAL CORP - PLBG SERVICE
Contact:Mr. Mike Apperson
E-Mail:mapperson@paramount-mech.com
Address:7056 Gateway Court
Manassas, VA 20112
Services:CODE: 3/15

PARAMOUNT MECHANICAL CORPORATION
Contact:Mr. Mark Cronin
E-Mail:mcronin@paramount-mech.com
Address:7053 Gateway Court
Manassas, VA 20109
Phone:703-369-1750
Fax: 703-369-2450
Website:www.paramount-mech.com
Services:CODE: 1/5/6/11/12/14/15/16/17

PARAMOUNT ORBITAL WELDING SERVICE
Contact:Mr. Scott Brooks
E-Mail:sbrooks@paramount-mech.com
Address:7054 Gateway Court
Manassas, VA 20110
Phone:703-369-1750
Fax:703-369-2450
Services:CODE: 11/17/ WBE

PEDAL VALVES, INC.
Contact:Mr. Pete Gilbert
Address:13625 River Road
Luling, LA 70070
Phone:985-785-9997
Services:CODE: Water Conservation Contractor

PEPCO GOVERNMENT SERVICES LLC
Contact:Mr. Lloyd E. Cavey, Jr.
E-Mail:Lcavey@pgov.com
Address:5200 Philadelphia Way Suite H
Lanham, MD 20706
Phone:301-429-1533
Fax: 301-429-1662
Website:www.pgov.com
Services:CODE: 2

PIERCE ASSOCIATES, INC.
Contact:Mr. Stephen C. Pierce
E-Mail:spierce@pai.us
Alt. Contact:jdunleavy@pai.us
Address:4216 Wheeler Avenue P.O. Box 9050
Alexandria, VA 22304
Phone:703-751-2400
Fax:703-751-2479
Website:www.pai.us
Services:CODE: 1/6/7/9/10/17

POWER MAX, INC.
E-Mail:tmurray@powermaxonline.com
Alt. Contact:Mr. Matt Murray
Alt. E-Mail:mmurray@powermaxonline.com
Address:8510 Cedar Street
Silver Spring, MD 20910
Phone:301-585-9300
Fax:301-585-4348
Services:CODE: 1/2/3/4/11/16

PRECISION MECHANICAL
Contact:Mr. Jim Salamone
Address:1360 Industrial BLVD Unit 4
South Hampton, PA 18966
Phone:215-396-2627
Fax: 215-396-2584
Services:CODE: 2/4/5

PREFERRED MECHANICAL SOLUTIONS, INC.
Address:402 Hickory Circle
La Plata, MD 20646
Phone:301-392-9800
Fax:301-392-9801
Services:CODE: 2

PRITCHETT CONTROLS INC.
Contact:Mr. Tim Pritchett
E-Mail:t.pritchett@pritchettcontrols.com
Address:12240 Indian Creek Court Suite 120
Beltsville, MD 20705
Phone:301-470-7300
Fax:301-470-4126
Services:CODE 2/5/6/

PRO-AIR, INC.
Contact:Mr. Chris Sakkos
E-Mail:proair-inc@proair-inc.com
Alt. Contact:Mr. Butch Pearson
Address:6864 Distribution Drive
Beltsville , MD 20705
Phone:301-931-9052
Fax:301-931-9421
Website:www.proair-inc.com
Services:CODE: 1/2/3/5/11/15/16

QUALITY MECHANICAL SERVICES
Address:9027 Grant Avenue
Manassas, VA 20110
Phone:703-932-8588
Fax:301-368-1529
Services:CODE: 1/2/4/5/6/16

QUALITY MECHANICAL SERVICES INC.
Contact:Mr. Timothy L. Pepper
E-Mail:tim.pepper@verizon.net
Address:7007 Oak Glen Drive
Hughesville, MD
Phone:301-870-1002
Fax:301-274-5254
Services:CODE: 2/4/5/16/18

R & D AIR
Contact:Mr. Mike Donaldson
Alt. Contact: Mr. Ron Romig
Address:P.O. Box 502
Burtonsville, MD 20866
Phone:301-421-0288
Fax: 301-498-8130
Services:CODE: 1/2/5

R & R MECHANICAL INC.
Contact:Mr. Vince Browning
E-Mail:vjbrowning@rrmechanical.com
Address:4205 47th Street
Bladensburg , MD 20710
Phone:301-927-9451
Fax: 301-927-0127
Services:CODE: 1/2/3/5

R.E. DONOVAN COMPANY, INC.
Contact:Mr. Kenneth Shafer
E-Mail:sales@redonovan.com
Alt. Contact:Mr. Bob Johnson
Address:12334 Wilkins Avenue
Rockville, MD 20852
Phone:301-881-2121
Fax:301-881-3557
Website:www.redonovan.com
Services:CODE: 1/2/5/8/11

R.J. KESTEL PLUMBING, INC
Contact:Mr. Robert Kestel
Address:9902 Wildwood Road
Kensington, MD 20895
Phone:301-564-3621
Services:CODE: 3

R.L.S. HEATING, A/C & REFRIG
Contact:Mr. Roger Shiflett
E-Mail:rlsheat@localnet.com
Address:8676 Head Harbour
Pasadena, MD 21122
Phone:410-439-0141
Fax:410-439-0585
Services:CODE: 1/2/4/5/6/12/16/18

R.M. THORNTON, INC.
Contact:Mr. Robert Reaves
E-Mail:robertr@rmthornton.com
Alt. Contact:Mr. Frank Reaves
Alt. E-Mail:bshaw@rmthornton.com
Address:120 West Hampton Avenue
Capitol Heights, MD 20743
Phone:301-350-5000
Fax:301-499-3609
Website:www.rmthornton.com
Services:CODE: 1/2/3/4/5/6/11/12/14/15/16

RALPH P. SITA, INC.
Contact:Mr. Ralph P. Sita
E-Mail:ralphpsita@comcast.net
Address:12445 White Oak Court
Dunkirk, MD 20754
Phone:301-855-9387
Fax:301-855-9343
Services:CODE: 2/5/6/7/18

RCS COMMERCIAL AIR CONDITIONING, INC.
Contact:Mr. Ricardo Adams
E-Mail:rcsadams@yahoo.com
Address:6217 Greenleaf Lane
Elkridge, MD 21075
Phone:301-621-1818
Fax: 410-379-1910
Services:CODE: 1/2/4/5/16/18

REVIS ENGINEERING INC.
Contact:Mr. Jeffrey Revis
E-Mail:jeff@revisengineering.com
Address:8502 Dangerfield Place (delivery) P.O. Box 223 (mailing)
Clinton, MD 20735
Phone:301-856-2400
Fax:301-856-8859
Website:www.revisengineering.com
Services:CODE: 1/2/5/6/7/11/12/15

REYCO
Contact:RICK JONES, PRESIDENT
Address:7 JAY GOULD COURT, STE 5
WALDORF, MD 20602
Phone:(240) 222-3130
Fax:(240) 607-6750

RFM SERVICES
Contact:Mr. Richard F. Moreland
E-Mail:rfmservices@aol.com
Address:1371 Meyers Station Road
Odenton, MD 21113
Phone:301-858-0886
Fax: 301-858-0885
Services:CODE: 1/2/4/5/6/11/16/18

RIGGS DISTLER AND COMPANY, INC.
Contact:Mr. Steve Haller
Address:9411 Philadelphia Road Unit M
Baltimore, MD 21237
Phone:410-633-0300
Fax:410-633-2119
Website:www.riggsdistler.com
Services:CODE: 1/11/12/15/16

RJC MECHANICAL, INC.
Contact:Mr. Lewis A. Woods
E-Mail:info@rjcmechanical.com
Address:489 Keith Road
Lothian, MD 20711
Phone:410-741-0334
Fax:410-741-0210
Services:CODE: 1/2/3/4/5/6/7/11/12/13/16/17/18

RM MECHANICAL
Address:P.O. Box 45429
Boise, ID 83711
Phone:208-362-0131
Services:CODE: Specialty Piping

Rogers Refrigation Co. Inc
Contact:Mr. Dan Miller
E-Mail:daniel_j_miller@irco.com
Address:4871 Stamp Road
Temple Hills, MD 20748
Phone:301-423-2000
Fax:301-423-8521
Services:CODE: 2/4/5/6/Refrigeration Installation

RSC ELECTRICAL & MECHANICAL CONTRACTORS, INC.
Contact:Mr. Henry Bolden, Jr.
E-Mail:RSC6035@aol.com
Address:6035 Dix Street, NE
Washington, DC 20019
Phone:202-398-7957
Fax:202-388-0329
Website:www.RSCCompany.com
Services:CODE: 1/2/4/5/7/11/12/14/15/16

S & W CONTROLS, INC.
Contact:Mr. Robert S. Whitehead
E-Mail:bob.whitehead@sw-controls.com
Address:9229 Grey Eagle Dr.
Upper Marlboro, MD 20772
Phone:301-736-6800
Fax:301-736-6100
Services:CODE: 1/2/4/5/6

SAIA PLUMBING & HEATING CO.
Contact:Mr. Martin Saia
Address:16709 Norbrook Drive
Olney, MD 20832
Phone:301-924-3600
Fax:301-924-3605
Services:CODE: 1/3

SENECA BALANCE OF MARYLAND
Contact:Mr. Stanley Fleischer
E-Mail:senecastan@aol.com
Address:8019 Belair Road Suite 5
Baltimore, MD 21236
Phone:410-665-1281
Fax:410-665-2985
Website:www.senecabalance.com
Services:CODE: 6/9/10

SERVICE MECHANICAL INC.
Contact:Mr. Thomas E.Watson
E-Mail:ServiceMechinc@aol.com
Address:5601-N General Washington Drive
Alexandria, VA
Phone:703-916-8190
Fax:703-916-8186
Services:CODE: 1/2/4/5/11/18

SERVICE SPECIALTIES, INC.
Contact:Mr. Russell E. Murphy
E-Mail:rmurphy@ssihvac.com
Address:14522-B Lee Road
Chantilly, VA 20151
Phone:703-968-0606
Fax:703-968-7346
Website:www.ssihvac.com
Services:CODE: 2

SHAMROCK SERVICE COMPANY, INC.
Contact:Mr. Tracey Duffy
E-Mail:shamrock@aol.com
Address:P.O. Box 332
Glen Elg., MD
Phone:301-854-3495
Fax: 301-854-3497
Services:CODE: 1/2/5/18

SIEMENS BUILDING TECHNOLOGIES, INC.
Contact:Mr. Dan Crowley
E-Mail:dan.crowley@siemens.com
Alt. Contact:Mr. Robert W. Heisse
Alt. E-Mail:bob.heisse@siemens.com
Address:6901 Muirkirk Meadows Drive
Beltsville, MD 20705
Phone:301-419-2600
Fax: 301-206-2141
Services:CODE: 2/4/5/6

SILVER CREEK MECH SERVICES
Contact:Mr. James Merical
E-Mail:Jimboy1@aol.com
Address:112 River Road
Edgewater, MD
Phone:410-991-4107
Fax: 410-774-5770
Services:CODE: 2/5/16

SL SERVICES LLC
Contact:Mr. Darryl Benson
Address:1622 Taylor Ave
Fort Washington, MD 20744
Phone:310-292-5104
Fax:C: 301-785-5384
Services:CODE: 2/5/16/18

SOUTHLAND INDUSTRIES, MID ATLANTIC DIVISION
Contact:Mr. Ted Lynch
E-Mail:tlynch@southlandind.com
Address:22340 Dresden Street, Suite 177
Dulles, VA 20166
Phone:703-834-5570
Fax:703-834-5572
Services:CODE: 1/2/3/5/6/7/8/9/10/13/14/15/16/17

SPEARS MECHANICAL CONTRACTORS, INC.
Contact:Mr. Andrew (Mike) Spears Sr
E-Mail:mspears@spearmechanical.com
Address:P.O. Box 72229
Baltimore, MD
Phone:410-574-6200
Fax: 410-574-6300
Website:www.spearmechanical.com
Services:CODE: 1

SPECTRUM SERVICES, INC.
Contact:Mr. Randolph Smith
E-Mail:spectrumservicesinc@verizon.net
Address:P.O. Box 1758
Clinton, MD 20735
Phone:301-203-5134
Fax:301-203-2359
Services:CODE: 1/2/5/6/7/16/18

SSH Inc.
Contact:Arlene Sarkoyan, CEO
Address:5425 South Valley View Blvd
Las Vegas, NV 89118
Phone:(702) 515-7484
Fax:(702) 515-7485

STEWARDSON MECHANICAL SERVICES
Contact:Mr. John Stewardson
E-Mail:john@stewmech.com
Address:7207-C Lockport Place
Lorton, VA 22079
Phone:703-339-9797
Fax:703-339-9875
Services:CODE: 1/2/4/5/6/11/16/18

SUMMER/WINTER AUTOMATION CO., INC.
E-Mail:info@summer-winter.net
Address:P.O. Box 695
Edgewater, MD 21037
Phone:1-866-940-4822
Fax: 1-866-839-3136
Services:CODE: 2/5/6/12/18

SWISSLOG
Address:10825 E. 47th Avenue
Denver, CO
Phone:303-371-7770
Fax:303-373-7870
Services:CODE: Pneumatic Tube System

T&P MECHANICAL SPECIALIST INC.
Contact:Mr. Thomas Twigg
E-Mail:tntwigg@comcast.net
Address:P.O. Box 516
Lisbon, MD 21765
Phone:240-876-1111
Fax: 443-266-7195

T.K. MECHANICAL, INC.
Contact:Ms. Andrea Kelleher
E-Mail:akelleher@tkmechanical.com
Alt. Contact:Mr. Tom Kelleher
Alt. E-Mail:tkelleher@tkmechanical.com
Address:HC 86, Box 185,
Purgitsville, WV 26852
Phone:304-289-3644
Fax:304-289-3647
Services:CODE: 1/2/3

T.K. MECHANICAL, INC.
Contact:Ms. Andrea Kelleher
E-Mail:akelleher@tkmechanical.com
Alt. Contact:Mr. Tom Kelleher
Alt. E-Mail:tkelleher@tkmechanical.com
Address:14600 Flint Lee Road Unit E
Chantilly, VA 20151
Phone:703-378-9044
Fax:703-378-9088
Services:CODE: 1/2/3

TALBERT MECHANICAL INC.
Contact:Mr. Darnel W. Talbert
E-Mail:talbertmechanical@msn.com
Address:29747 Overlook Court
Mechanicsville, MD 20659
Phone:301-888-9115
Fax: 301-884-4117
Services:CODE: 1/5

TEMPCO, INC.
Contact:Mr. Thomas J. Petruski
E-Mail:Petruski@aol.com
Address:11615 Rolling Glen Way
Upper Marlboro, MD 20772
Phone:301-627-0708
Fax:301-627-0709
Services:CODE: 2/4/5/9/11/14/16

THE POOLE & KENT CORPORATION
Contact:Mr. Adam E. Snavely
E-Mail:adam_snavely@emcorgroup.com
Alt. Contact:Mr. John T. Wardle
Alt. E-Mail:john_wardle@emcorgroup.com
Address:4530 Hollins Ferry Road
Baltimore, MD 21227
Phone:410-247-2200
Fax:410-247-2331
Website:www.poole-kent.com
Services:CODE: 1/2/3/4/5/11/15/17

THE SEVERN GROUP, INC.
Contact:Mr. David F. Williams
E-Mail:dwilliams@theseverngroup.com
Address:125 S. Winchester Road
Annapolis , MD 21409
Phone:301-858-7200
Fax:410-349-8501
Services:CODE: 1/2/3/4/11/12/13/16

Thermo Source LLC
Contact:Ryan Jahnke, Manager
Address:2360 Orchard Lake Road Suite 105
Sylvan Lake, MI 48320
Phone:(248) 738-7970
Fax:(248) 738-8028

THORNTON SERVICE, INC.
Contact:Mr. Matt Morin
E-Mail:ron@thorntonservice.com
Alt. Contact:Mr. Ron Serabian
Address:2401 Research Blvd., Suite 204
Rockville, MD 20850
Phone:240-683-6900
Fax:240-683-1147
Services:CODE: 2

TOTAL FACILITY SOLUTIONS INC.
Contact:Mr. Tom Land
Address:1001 Klein #400
Plano, TX 75074
Phone:972-535-7300
Fax:972-535-7370
Services:CODE: 1/11/12/17 Speciality Piping

TOTAL MECHANICAL CONTRACTORS, INC.
Contact:Mr. Chuck Noyes
E-Mail:cnoyes@nacgroup.com
Address:16761 Oakmont Avenue
Gaithersburg, MD 20877
Phone:301-670-1998
Fax:301-670-6379
Services:CODE: 1/2/5/6/8/11

TOTAL REFRIGERATION SERVICES, LLC
Contact:Mr. Brian J. Colabucci
E-Mail:totalrefrigeration@yahoo.com
Address:16000 Trade Zone Avenue, Suite 304
Upper Marlboro, MD 20774
Phone:301-390-0555
Fax:301-390-1177
Services:CODE: 2/4

TOTAL WELDING, INC.
Contact:Mr. James S. Jett
Address:2841 Belair Drive
Bowie, MD 20715
Phone:301-262-9517
Fax:301-262-6096
Website:www.totalweldinginc.com
Services:CODE: 11/13/15/17 Pipe Freezing, Hot Tapping, Live Gas Taps

TRADE CONTRACTING
Contact:Mr. Tim Haley
Address:P.O. Box 3638
Crofton , MD 21114
Phone:240-286-1346
Services:CODE: 1/3

TRI-R MECHANICAL CONTRACTORS
Address:2898 Spring Lake Drive
Davidsonville, MD 21035
Phone:301-261-7637
Services:CODE: 1

TRISTAR MECHANICAL INC.
Contact:Mr. Joel C. Puckett
Address:P.O. Box 3107
Fairfax, VA 22038
Phone:703-968-4240
Fax:703-968-7565
Services:CODE: 2/5

TRI-STATE MECHANICAL SERVICES, INC.
Contact:Mr. Bill Jeunette
E-Mail:mthorne@tristatemech.com
Address:4503 Buchanan Sreet
Hyattsville, MD 20781
Phone:301-864-2531
Fax: 301-864-2759
Services:CODE: 1

UNITED RIGGING
Contact:Mr. Shirley Hutchinson
Address:6601 Ammendlae Road
Beltsville , MD 20705
Phone:301-937-8510
Fax: 301-937-8241
Services:CODE: Rigging

UTLEY KIRLIN JOINT VENTURE
Address:515 Dover Road, Suite 2800
Rockville, MD 20850
Services:CODE: 1

UTLEY MECHANICAL, INC.
Contact:Mr. Clifford Utley, Sr.
E-Mail:utleymechanical@verizon.net
Alt. Contact:Mr. Clifford Utley
Address:1008 Florida Avenue, NE
Washington, DC 20002
Phone:202-396-9278
Fax:202-396-5277
Services:CODE: 1/2/3/4/5/6/7/11/14/15/16

W. L. GARY COMPANY, INC.
Contact:Mr. Brooke C. Greer,
E-Mail:brookeg@wlgary.com
Alt. Contact:Mr. Mike Dent
Alt. E-Mail:miked@wlgary.com
Address:225 Vine Street, NW
Washington, DC 20012
Phone:202-723-0676
Fax:202-723-4710
Services:CODE: 1/2/3/4/5/11/16

W.E. BOWERS, INC.
Contact:Mr. Wayne Bowers,
E-Mail:wayne@webowers.com
Alt. Contact:Mr. A. (Woody) Woodall
Alt. E-Mail:woody@webowers.com
Address:12401 Kiln Court Suite A
Beltsville, MD 20705
Phone:301-419-2488
Fax:301-419-2310
Website:www.webowers.com
Services:CODE: 1/2/3/15/17

W.F. COLLINS, INC.
Contact:Mr. William F. Collins, III
E-Mail:wcollins@wfcollins.com
Alt. Contact:Mr. Steve Ketchum
Address:4921 Wyaconda Road
North Bethesda, MD
Phone:301-881-2370
Fax:301-881-8652
Services:CODE: 1/2/3

WASHINGTON REFRIGERATION COMPANY
Contact:Mr. Daniel P. Gawne
E-Mail:dgawne@washingtonrefrigeration.com
Address:6721 Distribution Drive
Beltsville, MD 20705
Phone:301-931-1700
Fax:301-931-1919
Services:CODE: 1/2/3/4/11/15

WAUGH'S WELDING
Contact:Mr. Robert L. Waugh
Address:7253 Zach. Taylor Highway
Unionville, VA 22567
Services:CODE: 11

WEATHER CONTROL, INC.
Contact:Mr. Sven Carlson,
E-Mail:wci@mrchilly.com
Alt. Contact:Mr. Brian Mercer
Address:3905 Wheeler Avenue
Alexandria, VA 22304
Phone:703-370-5200
Fax:703-370-1054
Services:CODE: 2/4/5/6

WELCH AND RUSHE, INC.
Contact:Mr. Linden (Pete ) Welch,
E-Mail:ptonker@welchandrushe.com
Alt. Contact: Mr. Patrick A. Tonker
Address:391 Prince George’s Boulevard
Upper Marlboro, MD 20774
Phone:301-430-6000
Fax:301-430-6001
Website:www.welchandrushe.com
Services:CODE: 1/2/3/4/11/15/17

WELCH AND RUSHE, INC.
Address:
Upper Marlboro, MD 20774
Phone:301-430-6005
Fax:301-430-6006
Services:Service Department 1-800-683-3852

*Contractor Services

Full Mechanical
Service-HVAC
Service-Plumbing
Service-Refrigeration
Temp Controls
Energy Management
Sheet Metal
Water Treatment
Air Balancing
Water Balancing
Welding
Electrical
Insulation
Sprinkler
General Construction
Boiler Work
Fabrication
Residential



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