Abilene
Pride Refining

Alvin
Galviston Pipeline

Bay City
Gulf Oil Refinery

Baytown
Esso Oil Refinery
Exxon

Beaumont
Mobil

Big Spring
Fina Oil

Borger
Phillips

Channelview
Specified Fuels

Corpus Christi
Citgo
Coastal Refining
Koch
Valero Energy

Deer Park
Shell Deer Park Refining

El Paso
Chevron

Freeport
Boats of Freeport

Galviston
Dow Chemical

Glen Rose
Comanche Peak Nuclear Power Plant

Hillsboro
CertainTeed CorporationHouston
Bloodworth Bond Shipyard
Butadiene Oil Refinery
Houston Chemical Plant
Lyondell-Citgo
Monsanto Chemical
Power Electric Plant

Marshall
Pirkey Power Plant

Oklaunion
Oklaunion Station

Pasadena
Crown Central Petroleum
Shell Oil Refinery

Port Arthur
Clark Refining
Fina Oil
Motiva Enterprises
Port Aruthur

San Antonio
AGE Refining

Seaport
Ta Chiao USA Inc.

Sweeney
Phillips

Sunray
Ultramar Diamond

Texas City
Amaco Refinery
BP Amoco
Marathon
Monsanto Refinery

Three Rivers
Ultramar Diamond

Tyler
LaGloria Oil

Wadsworth
South Texas Project Electric Generating Station