Chemical & Petrochemical

ATOFINA PETROCHEMICALS, INC.
BASF FINA PETROCHEMICAL CORPORATION
BAYER CORPORATION
CHEVRON PHILLIPS CHEMICAL COMPANY
POLIMERI EUROPA AMERICAS, INC.
ENTERPRISE PRODUCTS COMPANY
EQUISTAR CHEMICALS, LP
EXXON MOBIL CHEMICAL COMPANY
FORMOSA PLASTICS CORPORATION, TEXAS
HUNTSMAN CORPORATION
LONZA INC.
LINDE GAS INC.
MILLENNIUM PETROCHEMICALS, INC.
PHARMACIA CORPORATION (SEARLE, LTD)
PHILLIPS PETROLEUM COMPANY
RHODIA INC.
SOUTHERN IONICS INCORPORATED

Utilities

JAMAICA ENERGY PARTNERS
MIRANT CORPORATION
WARTSILA NSD NEDERLAND B.V.

Cement, Metallurgical & Rare Earth

HOLCIM (US) INC.
WALBAR METALS (A BF GOODRICH SUBSIDIARY)

Other

AES DEEPWATER, INC.
CHAMBERS COUNTY - SOLID WASTE DEPARTMENT
LBC HOUSTON, LP
ODFJELL TERMINALS BAYTANK (HOUSTON) INC.
WASTE MANAGEMENT OF TEXAS, INC.