Alberici Construction Company
Automatic Systems, Inc.
Bancroft Construction Company
Barclay White, Inc.
Black & Veatch Pritchard, Inc.
Buccini / Pollin Group
BTC Center Associates, LLC.
Chrysler Corporation
Ciba Geigy, Inc.
Conectiv Energy, Inc.
Delle Donne Associates, Inc.
Diamond State Port Corporation
Dick Corporation
Dover Downs Entertainment, Inc.
Durr Industries
EDIS Company
E.l. DuPont De Nemours & Company
Exxon Mobile
Fluor Daniels, Inc.
General Motors Corporation
General Electric
Gilbane Building Company
Henkels & McCoy, Inc.
Integrated Construction Services
J.J. DeLuca, Inc.
Jacob Engineering
Keating Building Company
Kimberly Clark
Kraft Foods, Inc.
Modern Mushroom
Morrison & Knudsen Corporation
Motiva Enterprises
Nooter Construction Company
Parsons Process Group
Praxair, Inc
Riggs Distler & Company
Skanska USA Building
Sunoco, Inc.
Turner Construction Company
Whiting-Turner Construction Company