ABB LUMMUS

Houston, Texas

BECHTEL CORPORATION

Houston, Texas

BROWN & ROOT ENGINEERS & CONSTRUCTORS

Houston, Texas

FORD, BACON AND DAVIS ENGINEERS

Dallas, Texas

HOWE-BAKER ENGINEERS

Tyler, Texas

JACOBS ENGINEERS

Houston, Texas

KAVERNER JOHN BROWN ENGINEERS

Houston, Texas
Stamford, CT

FLUOR/DANIEL

Sugarland, Texas

M.W. KELLOGG

Houston, Texas

RAYTHEON ENGINEERS AND CONSTRUCTORS

Houston, Texas

S & B ENGINEERS

Houston, Texas

PARSONS ENGINEERS

Houston, Texas

TPA ENGINEERING

Dallas, Texas

WESTFIELD ENGINEERING

Houston, Texas

STONE & WEBSTER

Houston, Texas

REFINERY AND PETROLEUM

AKZO CHEMICAL

Bayport, Texas

ALBEMARLE

Pasadena, Texas
Magnolia, AR

AMOCO CHEMICAL COMPANY

Cedar Bayou, Texas

ARAMCO

Houston, TX
Saudia Arabia

ARISTECH CHEMICAL

LaPorte, TX

BAYER INCORPORATED

Baytown, TX
Bushy Park, SC
Houston, TX

CHAMPLIN REFINING COMPANY

Corpus Christi, TX

CHEVRON

Venezuela

CONDEA-VISTA CHEMICAL COMPANY

Aberdeen, MS
Lake Charles, LA
Oklahoma City, OK

CONOCO INCORPORATED

Billings, MT
Denver, CO
Lake Charles, LA

DIAMOND SHAMROCK

Sunray, TX

DOW CHEMICAL COMPANY

Bayport, TX
Freeport, TX
La Porte, TX
Midland, MI

ECOLAB INCORPORATED

Garland, TX
San Jose, CA
Woodbridge, NJ

E.I. DUPONT

Axis, AL
Belle, WV
DeLisle, MS
Orange, TX

EVALCA

Bayport, TX

GENERAL ELECTRIC

St. Louis, MO
Mt. Vernon, IN

GOODYEAR, INC.

Akron, OH
Beaumont, TX

HOECHST-CELANESE

Bay City, TX
Bayport, TX
Bishop, TX
Narrows, VA
Pampa, TX

SPECIALTY APPLICATIONS

 TEXAS EASTMAN CHEMICAL

 Longview, TX

 KOCH GLITSCH

 Wichita, KS

 SHELL CHEMICAL

 Houston, TX