- Allen and Hanburys
- American Express Corp.
- AZ Public Service Company
- Banco Santander
- Bank of America
- Baxter Dade
- Berlex Pharmaceuticals
- Bertek Pharmaceuticals, Inc.
- Borden Company
- Canadian Assn. Of Broadcasters
- Chicago Cubs
- Conoco
- Coopers and Lybrand
- Corning Science Products
- Detroit Edison
- ExxonGarrett Pneumatic Systems
- General Foods
- Gillette Company
- Glaxo Pharmaceuticals
- Goodyear Tire & Rubber Co.
- Greyhound Corporation
- GTE Communications Systems
- Herman Miller
- Hewlett-Packard
- Hoechst Marion Rousell
- Honeywell, Inc.
- Inland Steel
- IBM Corporation
- Institute for Professional Management
- Institute for Management Studies
- Institute for Supply Management
- Janssen-Ortho, Inc.
- John Deere
- Kimberly Clark
- Knight-Ridder
- Lederle Labs
- Lucent Technologies
- Maxum Marine
- Merrell Dow, USA
- Metlife Capital Corp.
- Motorola
- Mountain Bell
- NationalAssn. Of Broadcasters
- Nationwide Insurance
- Nestle Mexico
- Neutrogena
- Pacific Bell
- Pfizer-Canada, Inc.
- Potlatch Corp
- Red Roof Inns
- Rockwell International
- Rolls-Royce
- Ryerson Steel
- Salt River Project
- Searle, Canada
- Shell Oil Company
- Sun Oil Company
- The Executive Committee (TEC)
- TRW
- United Way
- US West Communications
- Vermeer Manufacturing
- Wells Fargo
- Wyeth-Ayerst
- Xerox Corporation
- Young Presidents Organization