A-Korn Roller
Abbott Laboratories
Allis Chambers
Allstate
American Medical Assn.
ASA Sales Systems
Bally
Baxter Labs
Beatrice Foods
Bell & Howell
Blue Cross/Blue Shield
Borg Warner
Caterpillar, Inc.
Charter Steel
Chicago Board of Trade
Chicago Corp
Chicago Lung Association
CompAir LeROI
C.P. Clare
Crane Packing Co.
Crouse-Hinds Electric
Culligan
Dana/Spicer Clark-Hurth
Evangelical Hospital Assn.
Evanston Hospital
Federal Signal - Elgin
Federal Signal - Vactor
FMC Corporation
GATX
Good Samaritan Hospital
Gould
GTE
Gulf Western
Hamilton Investments
Harza Engineering
Hewitt Associates
Hinckley Schmitt
Holabird/Root
Illinois Central-Gulf RR
Ingersoll-Rand
International Harvester
Jewel Foods
LaSalle National Bank
Littelfuse
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Lutheran General Hospital
Manitowoc CraneCare
Material Services Corp.
Mercantec, Inc.
MIDWESCO Perma-Pipe
Modine Manufacturing
Motorola
National Ben Franklin Life
Navistar International
Northrop Corporation
Nuveen, John
P&H Mining Equipment
People's Gas
Playboy Enterprises
Principal Financial Group
Rand McNally
Rheem Manufacturing
Sargent & Lundy Engineers
Searle
Sears Roebuck & Company
Siemens Medical Supply
SJO, Inc.
Spiegel
Square D Company
Standard Brands
Standard Equipment
Standard Oil of Indiana
Stein, Roe & Farnham
Stewart-Warner
Sysco
3M
Universal Oil Products
UPS
WBBM TV
Walgreens
Washington National Insurance
Wilson Sporting Goods
Wurliter Company
Wyatt
Yale Materials Handling Corporation
Youngstown Steel
Zurich American
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