American Combustion Industries
HVAC-PP
Robert Carlson
3520 Bladensburg Road
Brentwood, MD 20722-1806
(301) 779-3400
Fax: (301) 779-0425

American Mechanical Service
HVAC-PP
Edward Dunn
8039 Laurel Lakes Court
Laurel, MD 20707
(301) 206-5070
Fax: (301) 206-2520
www.amsofmd.com

Associated Pipe Designers
Russell Ellison
755 Rosewood Road
Severn, MD 21144
410-969-8345

B
BBR Mechanical Services
ATC-HVAC-R
Rich Simpkins
203D Yorkshire Way
Bel Air, MD 21014
410-557-2550
Fax: 410-557-0696

Best Mechanical, Inc.
P
Ronald McBee Sr.
6207 Harford Road
Baltimore, MD 21214
(410) 444-5448
Fax: (410) 426-5440

Blumenthal-Kahn Electric
ATC
John Blumenthal
10233 S. Dolfield Road
Owings Mills, MD 21117
410-363-1200
Fax: 410-363-4271

Bryan Mechanical
Tim Gordon
3401 Grand Avenue
Pittsburgh, PA 15225
412-771-3400
Fax: 412-771-1118

C
CRW Mechanical, Inc.
Francis Russell
5807 Ellerbie Street
Lanham, MD 20706
(301) 918-0056
Fax: (301) 459-0517
info@crwmechanical.com

Caigeann Mechanical Co., Inc.
Donna L. Fleming, President
12416 Benson Branch Rd.
Ellicott City, MD 21042
443-535-9487

Caribbean Piping & Welding, Inc.
Carl Cruickshank
4701 Vancouver Road
Baltimore, MD 21229
410-525-0419
Fax: 410-525-1469

Carroll Mechanical Services
ACT-HVAC-S/M
Roger Eggers
3394 Schaefer Drive
Hampstead, MD 21074
410-239-0290
Fax: 410-239-4293

Chapman Corporation
Arthur Hathaway
331 S. Main Street
Washington, PA 15301
724-228-1990
Fax: 724-228-4311

Coleman-Glover Mechanical Contractors
MBE
Collette Coleman-GLover
3624 Greenmount Avenue
Baltimore, MD 21218
410-889-8200
Fax: 410-889-8262

Combustioneer Corporation
ATC-HVAC-PC-S/M
Michael McDonald
645A Lofstrand Lane
Rockville, MD 20850
(301) 340-2290
Fax: (301) 340-2612
www.combustioneer.com

Control Sources, LLC
HVAC-P-PG-PP-S/M
Wayne Knell
8860 Kelso Drive
Baltimore, MD 21221
410-574-8400
Fax: 410-574-6700

Control Systems, Inc.
ATC-PC-S/M-WBE
Nicole Boudreaux
934 Sweeney Drive #3
Hagerstown, MD 21740
(301) 791-1166
Fax: (301) 791-6437

Custom Mechanical
P
John Packard
2 Dublin Way
Bel Air, MD 21014
410-893-5532
Fax: 410-420-9093

D
DLD Contracting
Dan Dietrich
11444 Glen Arm Road
Glen Arm, MD 21057
410-808-4973
Fax: 410-665-9677

DLM.Mechanical of MD
Dan Moes
315 Big Road
Zieglerville, PA 19492
484-945-1030
Fax: 484-945-1034

Dennis J. Diem & Son, Inc.
P
Dennis J. Diem
4241 Norrisville Road
White Hall, MD 21161
(410) 557-0906
Fax: (410) 557-0907
djdiem@aol.com

F
Flemington Instrument Co., Inc.
P-PT-CS-PG-PP-S/M-ATC
Ralph Migliaccio
P. O. Box 298
Ringoes, NJ 08551
(908) 782-4229
Fax: (908) 782-9910
sales@flemingtoninstrument.com

Fletcher Pro Welding, LLC
Michael Fletcher
12134 Woodsboro Pike
Keymar, MD 21757
301-748-8353

G
G. P. B. Mechanical Service
P
George Butcher
829 Warren Road
Cockeysville, MD 21030
(410) 683-0096
Fax: (410) 683-1382

Giant Foods Inc., Construction Division
ATC-HVAC-P-PP-S/M
Eric Weiss
6300 Sheriff Road
Landover, MD 20785
(301) 341-4798
Fax: (301) 618-4964
www.giantfood.com

Glenn Peer & Sons
Sherman Hall
Rt. #3 Box 62
Ridgeley, WV 26753
304-738-9484

H
Heffron Company, Inc.
Frank T. Weiss, Jr.
4940 Nicholson Court
Kensington, MD 20895
301-816-2088
Fax: 301-816-2177

Horton Mechanical Contractors, Inc.
ATC-HVAC-MBE-P-PG-PP-S/M
Keith Horton
Mechanical Contractors Bldg.
7909 Philadelphia Road
Baltimore, MD 21237-2694
(410) 866-4900
Fax: (410) 866-4906

I
Industrial Construction & Maintenance, Inc.
PP-P
Darlene A. Listman
226 10th Street
Pasadena, MD 21122
410-437-1361
Fax: 410-437-7709

J
J. W. Parker & Sons
MC-HVAC-P-PG-S/M-TC
Terry Ford
5806 Allender Road
White Marsh, MD 21162
(410) 344-1880
Fax: (410) 344-1778

Jeff Knorr Plumbing & Heating
Jeffrey P. Knorr
2307 Fleet Street
Baltimore, MD 21224
443-807-1293
Fax: 410-675-0689

Joshua Construction, Inc.
HVAC-P-PG-PP
Stephen Levee
13-15 Deer Park Drive, Suite 200
Gaithersburg, MD 20877
(310) 948-6798
Fax: (301) 948-3713
joshuacontruction@cs.com

K
KBM Plumbing
P
Ken Kahl
P.O. Box 43120
Baltimore, MD 21236
443-790-3657
Fax: 410-529-1989

Kelly H.V.A.C., Inc.
HVAC
Christopher Kelly, Sr.
8431 Old Marlboro Pike #200
Upper Marlboro, MD 20772
301-736-6585
Fax: 301-736-3114
kellyhvac@kellycos.com
www.kellycos.com

M
M & E Sales, Inc.
ATC-HVAC
James Mabe
713 Kraft Court
Glen Burnie, MD 21061
410-766-3831
Fax: 410-766-3832

M & M Welding & Fabrication, Inc.
HVAC-P-PG-PP
Carey Dove
8100 Cessna Avenue
Gaithersburg, MD 20979
301-948-9330
Fax: 301-948-8803

MECCO, Inc.
Anita Michaels
7353 Old Alexandria Ferry Road
Clinton, MD 20735
301-953-2400
Fax: 301-953-7667

McKamish Chesapeake, Inc.
Thomas Stoessel
50 55th Street
Pittsburgh, PA 15201
412-781-6262
Fax: 412-781-2007

McNew Excavating
H. Dean McNew
8113 Pulaski Highway
Baltimore, MD 21237
410-391-1828
Fax: 410-391-0327

Mechanical Systems, Inc.
Steve Poore
4022 Blackburn Lane
Burtonsville, MD 20866
301-384-0400
Fax: 301-384-0501

N
Norair Engineering Associates
P-PP
Richard Norair, Jr.
337 Brightseat Road
Landover, MD 20785
301-499-2202
Fax: 301-499-1342
nea@norair.com
www.norair.com

P
Paramount Mechanical Corporation
HVAC-P-PP
Mark Cronin
9030 Euclid Avenue
Manassas, VA 20110
703-369-1750
800-996-1750
Fax: 703-369-2450

Process Piping, Inc.
Robert Lancaster
8748 Lackawanna Avenue
Baltimore, MD 21234
410-661-4722
Fax: 410-661-4722

R
Revis Engineering, Inc.
Terry Cease, Jr.
8502 Dangerfield Road
Clinton, MD 20735
301-856-2400
Fax: 301-856-8859

Rogers Refrigeration Company
HVAC-P-PP-S/M
David B. Harvey
4871 Stamp Road
Temple Hills, MD 20748
301-423-2000
Fax: 301-423-8521

S
SAIA Plumbing & Heating
P
Martin Saia
16709 Norbrook Drive
Olney, MD 20832
301-924-3600
Fax: 301-924-3647

Southland Industries
Ted Lynch
22960 Shaw Road #800
Sterling, VA 20166
703-834-5570
Fax: 703-834-5572

Stevens Painton Corporation
Vince Gravelle
7850 Fairway Circle, Suite 100
Middleburg Heights, OH 44130
440-234-7888
Fax: 440-234-1967
www.spcdmg.com

Stone Services
Robert Hacker
4134 Oak Hill Avenue
Baltimore, MD 21236
410-918-0904
Fax: 410-665-4888

T
Trinmar Mechanical
Hayden Hall
586 Henderson Road
Bel Air, MD 21014
410-282-6168
Fax: 410-282-6169
ubgah@iximd.com

U
United Pipe Fabrication, LLC
William Stoots
130 Industry Lane
Forest Hill, MD 21050
410-838-4650
Fax: 410-838-1025

Utley Mechanical, Inc.
FTP-HVAC-P-PP
Clifford Utley
1008 Florida Avenue, N.E.
Washington, DC 20002
202-396-9278
Fax: 202-396-5277

W
W. E. Bowers
ATC-HVAC-P-PP-S/M
Kenny Colburn
12401–A Kiln Court
Beltsville, MD 20705
301-419-2488
Fax: 301-419-2711

Walter N. Yoder & Sons, Inc.
Patricia Woolford
P.O. Box 1337
Cumberland, MD 21501
301-729-0610
Fax: 301-729-1517

Welch & Rushe, Inc.
HVAC-P-PP
Linden H. Welch
9110 Edgeworth Drive
Capital Heights, MD 20743
301-350-9300
Fax: 301-499-4226