Accor North America
AMSTAR Group
AON Risk Services
ARAMCO
Chase Manhattan Bank
City of Houston
ExxonMobil Corporation
Federal Express Corporation
Federal Reserve Bank of Dallas
Friendswood Development Company
Gulf States Toyota, Inc.
Halliburton
Houston Airport System
Houston Community College System
Introgen Therapeutics, Inc.
John Crane, Inc.
Kirksey Architecture
KPMG Consulting
Laboratory Corporation of America
Landmark Graphics Corporation
Mitsubishi Heavy Industries
Mobil Land Development Company
Myers, Crow & Saviers, Ltd.
Panattoni Development Company
Sierra Spring Water Company
Southwestern Bell Corporation
Texas Southern University
The National Realty Group, Inc.
The University of Texas at Austin
The University of Texas Health Science Center at Houston
The University of Texas M. D. Anderson Cancer Center
The University of Texas Medical Branch at Galveston
The Woodlands Corporation
U. S. Environmental Protection Agency
U. S. General Services Administration
Unisource
University of Houston System
Valero Energy Corporation
Vallen Corporation
VWR Corporation
Western Geophysical
XL Parts
Yokohama Tire Corporation