A.O. Smith
AK Steel
Allstate
Alton Hotel Investors
Alton Memorial
Amerada Hess
American Petrofina
Arco Chemicals
Ashland
Bondex
BP Amoco
Cain Chemical
Chevron
Citgo
Coastal
Conoco
Dow Chemical
E.I. DuPont
Ethyl
Exxon
Fina
Gateway Regional Center
Georgia-Pacific
Honeywell
Illinois Power
Kane Mechanical
Mobil
Pekin Life Insurance
Pennzoil
Progressive
Reese Construction
Schnuck's Markets
Shell Oil
State Farm
Sunoco
Texaco
Sep. 12-16
ORGANIZATIONS IN THIS STORY