American Production
Inventory Control Society, Inc.
500 West Annandale Road
Falls Church, Virginia

Assurance, Inc.
4626 Wisconsin Avenue, N.W.
Washington, D.C.

Butz-Wilbern, Ltd.
6718 Whittier Avenue Suite 120
McLean, VA

Cable & Wireless, Inc.
1919 Gallows Road
Vienna, Virginia

Caterair, International
7811 Montrose Road
Potomac, Maryland

Comsat/Plexsys/RSI
607 Herndon Parkway
Herndon, Virginia

Excel Services Corporation
11921 Rockville Pike
Rockville, Maryland

MAXM
1600 Spring Hill Road
Vienna, Virginia

National Institutes of Health
6011 Executive Boulevard
Third Floor
Rockville, Maryland

Nova Pool Service, Inc
7319 Steel Mill Drive
Springfield, Virginia

O.S.I.A.
Dulles West Building
600 West Service Road
Chantilly, Virginia

Performance Development Services Corporation
19500-A Amaranth Drive
Germantown, Maryland

Phillips Publishing, Inc.
7811 Montrose Road
Potomac, Maryland

Sutherland, Asbill, & Brennan
1275 Pennsylvania Ave., N.W.
Washington, D.C.

Tri-Cor Industries, Inc
Washington Design Center
300 D Street, S.W.
Washington, D.C.

USDA-Forest Service
201 14th Street, S.W.
Washington, D.C.

Victoria International, Ltd.
1953 Gallows Road
Suite 110
Vienna, Virginia

Warner Electrical Services, Inc.
9345 Fraser Avenue
Silver Spring, Maryland

Wang Laboratories, Inc.
7500 Old Georgetown Road
Bethesda, Maryland

Westinghouse Electric Corporation
1801 K Street, N.W.
Washington, D.C.