B.L. Harbert International
Blackstone Energy Project
Bowen Company, Inc.
Brown & Root, Inc. and subsidiaries
Caltrans
Canonie Environmental Services
Centex Construction Company
Chemical Waste Management, Inc.
Chicago Bridge & Iron (CBI NACON)
Claridge House
Combustion Engineering
DuPont
ETSI and Bechtel joint venture
Fischbach & Moore
Fuller Austin
General Homes Corporation
Geosource, Inc. – Marine Division
Geosource, Inc. – Power Systems Division
Glaxo Welcome
Green Construction Company
Henry Building, Inc.
Irwin Steel Erectors
J.A. Jones Construction