• AT&T
• Charter Communication
• Emerson College
• Federal Aviation Administration
• Fetzer Institute
• George Washington University
• Home Box Office (HBO)
• Intelsat
• Johns Hopkins University
• Logtel Comm., Santiago Chile
• Loral Space & Communication
• Michigan Electronic Courts Reporters
Association
• Northeastern University
• NYNEX
• Pfizer (formerly Pharmacia & Upjohn)
• Polytechnic University
• Travel Consultants, Inc.
• U.S. Army U.S. Postal Service
• Verizon (Verizon Wireless)
• Western Michigan University