Air Liquide Large Industries U.S. L.P.

Mitsubishi Chemicals

Air Products, L.P.

Exxon Mobil Corporation
(5 facilities)

Oxy Vinyls - Battleground Chloralkali, 1800 Vista Rd.

Ketjen Corporation

Westlake

Oxy Vinyls - Deer Park PVC, Caustic and KOH 1000 Tidal Rd.

Arkema, Inc - Houston Plant

Houston Refining LP

Rohm & Haas Chemical LLC Bayport, Inc.

BASF Corporation - Pasadena Plant

INEOS Phenol

Rohm & Haas Texas, Inc.

Braskem PP Americas - La Porte, Plant

Sasol USA LLC

Channel Shipyard Company

Lubrizol Corporation (The)

Shell Oil Company

Chevron Phillips Chemical Co.- Pasadena

Chevron Phillips Chemical Co. - Cedar Bayou

TPC Group

Covestro LLC

Valero Refining - Texas, L.P.

Vopak Terminal - Deer Park

Dow Chemical Lone Star Plant