3M

Allied Signal

Ameritech SBC

Argonne National Laboratory

AT & T

B F Goodrich

Boeing Corporation

Borg-Warner Corporation

Carrier

Cities, Counties & States (Many)

Daikin industries

Dillards Department Stores

Delco Electronics

Delphi

E.I. DuPont

Eli Lilly Co.

Federal Aviation Administration (FAA)

Federated Department Stores

Ford Motor Company

Global Nuclear Fuel Americas

General Dynamics

General Electric

General Motors Corporation

Hilton Hotels

Honeywell

Hospitals and Medical centers (Many)

Hughes Aircraft

Johnson Controls

Kaiser Electronics

Kimberly Clark Corporation

Kraft Foods

Lear Corporation

Lockheed Martin

Lord & Taylor Department Stores

Monsanto Company

Mariott Hotels
 

Marshall Fields

Macy's Department Stores

Marathon Oil

McDonald Douglas

McQuay

Merck Pharmaceuticals

National Cancer Institute

National Research Council

Nabisco, Inc.

New York City Transit Authority

Occidental Chemical Corporation

Ontario Power Generation Nuclear Facility

Orenda Aerospace Corporation

Pfizer Corporation

PPG Industries

Proctor & Gamble

Raytheon Aircraft Corporation

Sandia National Labs

Siemen's Technologies

Southern California Edison

State Of Texas, General Services Commission

Trane

Universal Studios

Universities Colleges & Schools (Many)

United States Air Force

United States Army

United States Navy

United States Marine Corp

United States Treasury Department

United States Department Of Justice

United States Postal Service

United Technologies

Veterans Administration (Hospitals)

Westinghouse Corporation

York

And Many More