Abbott Labs
Advance Micro Devices
AKZO Chemicals, Inc.
AMPI
Alcon Labs
Anheuser Busch
Ashland Chemical
Atochem
Bureau of Engraving & Printing
BASF Corp.
Bayer
Blue Bell Creameries
Borden, Inc.
Brown & Root, Inc.
Campbell Taggert
Cott Beverage
Cessna
Chevron USA
Coca-Cola, USA
Conoco
DSC Communications Corp.
Delta Corrosion
Dodlinger & Sons Construction Co.
Dow Chemical, USA
Dow Hickam
Dynamic Coatings Corp.
Dynamic Equipment
E-Systems
E.I. DuPont De Nemours
EMC Corp.
EXXON Company, USA
Eaton Corp.
Enpro Systems
Enterprise Products
Eurecat US, Inc.
F. Miller & Sons, Inc.
Fluor Daniel, Inc.
Frito Lay
Freeport Welding
Fujicolor Processing
GES Mechanical Services
Gilbane Building Co.
GNB, Inc.
General Foods
General Motors Corp.
General Tire Corp.
Global Octanes Corp.
Hill & Wilkinson, Ltd.
Hector M. Varela, Inc.
Hunt Construction Group
H. B. Zacary
Hermann Hospital
Hitachi Corp
Hoechst Celanese Corp.
Houston Lighting & Power
IBM Corp.
Johnson & Johnson
J. M. Huber Corp.
J. T. Turner, Inc.
Jacobs Engineering Group
Kajima International
Kronos, Inc.
Lockheed Martin