Illinois Central Railroad Company
The Burlington Northern and Santa Fe Railroad Company
Paducah & Louisville Railroad Company
Chicago South Shore and South Bend Railroad Company
Ellis and Eastern Railway Company
Toledo, Peoria and Western Railroad Company
South Central Bell Telephone Company
MCI Telecommunications, Inc
U. S. Sprint, Telecommunications
Sumbeam-Oster Corporation
Manufacturers Junction Railway Company
Riverway Barge Corporation
Consolidated Brick Company
Wickes Companies, Inc.
Northern Indiana Commuter Transportation District
Wisconsin Central Ltd.
Chicago & Illinois Midland Railroad
Central Michigan Railroad Company
DM Central Transportation Company
Detroit and Mackinaw Railroad Company
Chicago West Pullman & Southern Railroad
Wyoming and Colorodo Railroad Company
J & M Rail Link
Kansas City Southern Railroad Company