ADC Telecommunications, Inc.
Meriden, Connecticut

Fidelity Investments
Boston, Massachusetts

Nortel Technologies
Ottawa, Canada

Alcatel Network Systems, Inc.
Raleigh, North Carolina

The Foxboro Company
Foxboro, Massachusetts

Philips Consumer 
Communications     
Piscataway, New Jersey

Analogic Corporation 
Peabody, Massachusetts

General Electric Information
Services Company
Burlington, Massachusetts

PictureTel Corporation
North Andover, Massachusetts

AT&T Corporation
Several Locations

General Instrument Corporation
Hatboro, Pennsylvania

Polaroid Corporation
Cambridge, Massachusetts

Avid Technology, Inc.
Tewksbury, Massachusetts

GTE Corporation
Several Locations

Proteon, Inc.
Westboro, Massachusetts

The Boston Company
Boston, Massachusetts

Hewlett-Packard Company
Several Locations

The Putnam Companies
Quincy, Massachusetts

Boston Technology, Inc.
Wakefield, Massachusetts

International Business Machines 
Corporation 
Several Locations

Raytheon Company
Bedford, Massachusetts

Bull HN Information Systems
Several Locations

The Kendall Corporation
Boston, Massachusetts

Ridge Computers, Inc.
San Jose, California

Cisco Systems, Inc.
San Jose, California

LeCroy Corporation
Chestnut Ridge, New York

Scientific-Atlanta, Inc.
Atlanta, Georgia

Compaq Computer Corporation
Norwood, Massachusetts

Lucent Technologies, Inc.
Several Locations

The Sheraton Corporation
Boston, Massachusetts

The Continental Group
New York, New York

The Massachusetts Institute of
Technology
Cambridge, Massachusetts

Southern New England Telephone
Company
Meriden, Connecticut

Digital Equipment Corporation
Several Locations

MIT Lincoln Laboratory
Bedford, Massachusetts

Teradyne, Inc.
Boston, Massachusetts

DSC Communications Corp.
Plano, Texas

Motorola, Inc.
Several Locations

Thermo Electron Corporation
Waltham, Massachusetts

EMC Corporation
Several Locations

The New England
Boston, Massachusetts

3Com Corporation
Billerica, Massachusetts

Ericsson Raynet
Menlo Park, California

New England Bank Card Association, Inc.
Cambridge, Massachusetts

Time Warner Cable, Inc.
Englewood, Colorado

Force Computers
Munich, Germany