AIG, Inc.
America First Insurance Company
Amtrak (National Railroad Passenger Corporation)
Atlantic Richfield Company (ARCO)
BNSF Railway Company
BP America Inc.
BP Amoco Chemical Company
BP Products North America Inc.
CITGO Petroleum Corporation
CITGO Refining and Chemicals Inc.
Crown Central Petroleum Corporation
Deep South Insurance Company
Earth-Tech
Exxon Mobil Corporation
Fireman's Fund Insurance Company
Foremost Insurance Company
Galveston Central Appraisal District
Galveston Railway, Inc.
The Hartford
Liberty Mutual Insurance Company

Lyondell Chemical Company
LYONDELL-CITGO Refining LP
The Medical Protective Company
The Port of Galveston (Galveston Wharves)
South Jersey Industries, Inc.
Southern States Offshore, Inc.
Stewart Title Guaranty Company
Süd-Chemie, Inc.
Texas City Terminal Railway Company
Texas Farmers Insurance Company
Texas Medical Liability Trust
Texas Municipal League
Texas Windstorm Insurance Association
Unimin Corporation
Union Pacific Railroad Company
Unitrin County Mutual Insurance Company
University of Texas System (Health Institutions)
U.S. Financial Life Insurance Company
Utica Mutual Insurance Company
Zurich North America