3D/I
Clark Nexsen
Corps of Engineers, Baltimore District
Corps of Engineers, Huntsville District
Corps of Engineers, New York District
Dewberry
EYP/
Financial Realty Services
Forum International, Inc.
Frank Feifsnyder, AIA
Glave & Holmes
Greeley & Hansen
Greenhorne & O’Mara
GTS Duratek
Hankins & Anderson
Hartman Company
Hartman-Cox Architects
HDR
Herlong Architects
Higgins Development
HNTB Companies
HO+K
Holmes & Narver
HSMM
Hudson & Associates
I-95 G2C JV
I-95 GEC Partners
I.C.F. Kaiser
J.A. Sheibel
John J. Christie, P.C.
KCI
Kellogg Brown & Root
KPMG
Lavigne Associates Architects
Lee Construction Consultants
Livas Group Architects
Marsh-Witt Associates
McDonough Bolyard Peck, Inc.
McKissack & McKissack
Michael Baker Jr., Corp
MMM Design Group
Morse Diesel
National Parks and Planning Commission
Page Southerland Page
Parsons Brinckerhoff Quade and Douglas, Inc.
Parsons Engineering-Science, Inc.
Pei Cobb Freed & Partners
Perkins Eastman Architects PC
Pioneer Roofing Systems, Inc.
Pond & Company
Potomac Crossing
Rummel, Klepper & Kahl
Sorg & Associates
Spaulding & Slye
Sverdrup, Inc.
URS Corp.
US Department of Justice
UVA
Wilbur-Smith Associates

AE Collective Architects
Ansell Collins Architects
ATCS, PLC
Austin L. Spriggs Associates
Baker, Cooper & Associates
Ballou Justice Upton Architects
Barbara Laurie, AIA
Boynton Rothschild Rowland Architects
Brown & Root
Buchart Horn, Inc.
Burt Hill Kosar Rittelmann Associates
Carneal & Johnson
CH2M Hill, Inc.
Charron Construction
Chatelain Architects
Cherry Hill Construction
Clark Construction Group
Clark Nexsen
Construction Dynamics Group, Inc.
Crescent Resources, LLC
Delon Hampton & Associates, P.C.
Devrouax & Purnell Architects
Dewberry
EDAW
Engineering Design Group
EYP/
Fanning/Howey Associates, Inc.
Financial Realty Services
Forum International, Inc.
Frank Feifsnyder, AIA
Glave & Holmes
Greeley & Hansen
Greenhorne & O’Mara
Hankins & Anderson
Hartman Company
Hartman-Cox Architects
HDR
Herlong Architects
Higgins Development
HNTB Companies
HO+K
Holmes & Narver
HSMM
I.C.F. Kaiser
J.A. Sheibel
Jim Hudson & Associates
John J. Christie, P.C.
KCI
KPMG
Lavigne Associates Architects
Lee Construction Consultants
Leo A. Daly
Livas Group Architects
Marsh-Witt Associates
McDonough Bolyard Peck, Inc.
McKissack & McKissack
Michael Baker Jr., Corp
MMM Design Group
Morse Diesel
Page Southerland Page
Parsons Brinckerhoff Quade and Douglas, Inc.
Parsons Engineering-Science, Inc.
Pei Cobb Freed & Partners
Perkins Eastman Architects PC
Pioneer Roofing Systems, Inc.
Pond & Company
Professional Service Industries
Rummel, Klepper & Kahl
Scribner, Messer, Brady & Wade
Site Blauvelt Engineers
Sverdrup, Inc.
The Peterson Companies
Thompson & Litton
URS Corp.
Warner Construction Consultants, Inc.
Wilbur-Smith Associates

A/E/C Strategy, Inc.
Amtrak
Ansell Collins Astrin, Architects
ATCS
Austin L Spriggs Associates.
Ballou Justice Upton
Balzer & Associates
Bass,Roger
BCI
Bovis
Boynton Rothschild Rowland
Buchart Horn, Inc.
Burt Hill Kosar Rittelman
Bushman Dreyfus
Carr Goodson Lee & Warner
CENTEX
Century Engineering Inc.
Charron Construction
Clark Construction Group
Clark Nexsen
Delizzio Architects
Delon Hampton
Devrouax & Purnell Architects
Dewberry
DMJM-3D/I
EYP
Fanning Howey
Florance Gordon Brown-BrennanSteil&Bastin
Georgetown Builders
Glave and Holmes
Greenhorne & O’Mara
Greenwood
HDR
Herlong Associates
HNTB, Inc.
HNTB-HA
HSMM
Jacobs Civil
Jamestown Yorktown Foundation
Johns Hopkins Hospital
Kasimer & Annino
KBR
KCI
Kellogg Brown & Root
Lamb
Lee Construction Consultants
Leila Nickoo
Long, Aldridge & Norman
Longwood College
Lutheran Social Services
MAC-TEC
Mary Washington College
McDonough Bolyard Peck
McKissack & McKissack
Michael Baker & Associates
Miles & Stockbridge, PC
Morgan Nicole Enterprises
NOVA Corporation
Oudens & Knoop
Parsons Management Consultants
PBQD
Pei Cobb Freed & Partners
RTKL Associates, Inc.
Rummel, Klepper & Kahl
Setty & Associates
Shaw, Pittman, Potts & Trowbridge
Site Blauvelt Engineers
SMBW Architects
Smith Hudson Carluzzo
SOM
Spaulding & Slye
Staubach Company
Syska Henessey
The Peterson Companies
Thompson & Litton
Tikvat Congregational Synagogue
Tim Haahs & Associates
URS Corp.
URS/Grnr (Hunt Valley)
Volkert & Associates
Wallace Roberts & Todd, LLC
Warner Construction Consultants, Inc.
Wilbur Sm
Wiley & Wilson
Wilmer Hale
Winchester Commercial (A Division of Weyerhaeuser)

Airport Management Consultants
Austin L. Spriggs Associates
Baker, Cooper & Associates
Ballou Justice Upton Architects
Barbara Laurie, AIA
Boynton Rothschild Rowland Architects
Brown & Root
Buchart Horn, Inc.
Burt Hill Kosar Rittelmann Associates
Capital Transit Consultants
Carneal & Johnson
CH2M Hill, Inc.
Charron Construction
Chatelain Architects
Cherry Hill Construction
Clark Construction Group
Clark Nexsen
Construction Dynamics Group, Inc.
Crescent Resources, LLC
Delon Hampton & Associates, P.C.
Devrouax & Purnell Architects
EDAW
Engineering Design Group
EYP/
Fanning/Howey Associates, Inc.
Financial Realty Services
Forum International, Inc.
Frank Feifsnyder, AIA
Glave & Holmes
Greeley & Hansen
Greenhorne & O’Mara
Hankins & Anderson
Hartman Company
Hartman-Cox Architects
HDR
Herlong Architects
Higgins Development
HNTB Companies
HO+K
Holmes & Narver
HSMM
I.C.F. Kaiser
J.A. Sheibel
Jamestown-Yorktown Foundation
Jim Hudson & Associates
John J. Christie, P.C.
KCI
KPMG
Lavigne Associates Architects
Lee Construction Consultants
Livas Group Architects
Loudoun County, VA
Marsh-Witt Associates
McDonough Bolyard Peck, Inc.
Michael Baker Jr., Corp
Miles & Stockbridge, PC
MMM Design Group
Morse Diesel
MPJ Consultants Inc.
P.M.C., Inc.
Page Southerland Page
Parsons Brinckerhoff Quade and Douglas, Inc.
Parsons Engineering-Science, Inc.
Pei Cobb Freed & Partners
Perkins Eastman Architects PC
Pioneer Roofing Systems, Inc.
Pond & Company
Potomac Crossing
Prince Georges County – National Capital Park & Planning Commission
Ralph M. Parsons Company
Rummel, Klepper & Kahl
Sverdrup, Inc.
Timothy Haahs & Associates
URS Corp.

AE Collective Architects
Ansell Collins Architects
ATCS, PLC
Austin L. Spriggs Associates
Baker & Cooper Associates, P.C.
Ballou Justice Upton Architects
Barbara Laurie, AIA
Boynton Rothschild Rowland Architects
Brown & Root
Buchart Horn, Inc.
Burt Hill Kosar Rittelmann Associates
Bushman Dryfus Architects
Capital Transit Consultants
CH2M Hill, Inc.
Charron Construction
Chatelain Architects
Cherry Hill Construction
Clark Construction Group
Clark Nexsen
Construction Dynamics Group, Inc.
Crescent Resources, LLC
DC Water
Delon Hampton & Associates, P.C.
Department of Corrections,VA
Devrouax & Purnell Architects
Dewberry
District of Columbia Department of Public Works
District Department of Transportation (DDOT)
EDAW
Engineering Design Group
EYP/
Fanning/Howey Associates, Inc.
Financial Realty Services
Forum International, Inc.
Frank Feifsnyder, AIA
Glave & Holmes
Greeley & Hansen
Greenhorne & O’Mara
Hankins & Anderson
Hartman Company
Hartman-Cox Architects
HDR
Herlong Architects
Higgins Development
HNTB Companies
HO+K
Holmes & Narver
HSMM
I.C.F. Kaiser
J.A. Sheibel
Jamestown Museum
Jamestown-Yorktown Foundation
Jim Hudson & Associates
John J. Christie, P.C.
KCI
KPMG
Lavigne Associates Architects
Lee Construction Consultants
Leo A. Daly
Livas Group Architects
Marsh-Witt Associates
Maryland Department of General Services
Maryland Department of Public Safety
McDonough Bolyard Peck, Inc.
McKissack & McKissack
Michael Baker Jr., Corp
Miles & Stockbridge, PC
MMM Design Group
Morse Diesel
Norfolk State University
Page Southerland Page
Parsons Brinckerhoff Quade and Douglas, Inc.
Parsons Engineering-Science, Inc.
Pei Cobb Freed & Partners
Perkins Eastman Architects PC
Pioneer Roofing Systems, Inc.
Pond & Company
Professional Service Industries
Rummel, Klepper & Kahl
Scribner, Messer, Brady & Wade
SCS Engineers
Site Blauvelt Engineers
Sverdrup, Inc.
The Peterson Companies
Thompson & Litton
University of Virginia
URS Corp.
US Department of Justice
Virginia Department of Corrections
Virginia Maintenance Services
Virginia Military Institute
Washington Suburban Sanitary Commission 
Warner Construction Consultants, Inc.
Wilbur-Smith Associates