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