Alcoa
Alpha Laval
American Colloid
American Cyanamid
American Minerals
Amoco
Archer Daniels Midland
Ash Grove Cement
B F Goodrich
Barrick Gold Strike
BASF
Blue Circle Cement
Boise Cascade
Cabot
Canadian Harvest
Cargill
CCI
Certain Teed
Chevron Chemical
Ciba-Geigy
Cifunsa
Cisco
Conaggbit
ConAgra
Conoco
Conrail
Dal Tile
Dayco
Dow Chemical
Dow Corning
Dryvit Systems
E I Dupont
Ellwood Quality Steels
Engelhard
Exxon Chemicals
Fairfield Engineering
Florida Tile
Fluor Daniel
FMC
Formosa Plastics
Frito Lay
General Electric
General Mills
Georgia Pacific
Giant Cement
Goodyear Tire & Rubber
Heatilator
Henkel
Hershey Chocolate
Holnam
Huish Detergents
Iams
ICI
Inland Steel
International Paper
John Deere
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Johnson Controls
Jordan Phosphate Mines
Kingsford
Lafarge Cement
Lapp Insulators
Libbey Owens Ford
Lone Star Industries
LT V Steel
M&M Mars
Minnesota Mining & Manufacturing
Mitsubishi Heavy Industries
Monsanto
National Starch
Nemak
Nestle Foods
North American Refractories
Novartis
Nucor Steel
Ormet
Osmose, Inc.
Overland Ready Mix
Owens Corning
P P G Industries
Pepsi
Pfizer
Phelps Dodge Refining
Philip Morris
Pozzolanic
Procter & Gamble
Public Service of New Hampshire
Quaker Oats
Ralston Purina
Rhone-Poulenc
Roche
Saskatchewan Power
Shaw Perkins
Skinner Macaroni
St. Gobain Ceramics
Stone Container
Sumitomo Heavy Industries
Todd & Sargent
Travenol Labs
U S Gypsum
U S Silica
Union Carbide
Union Pacific Railroad
Uniroyal
Universal Refractories
Valmont Industries
W R Grace
Western Ash
Wheelabrator
Wm Wrigley Jr
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