577 Main Street LLC
Abbott Laboratories Inc.
Advanced Electron Beams
Allegro Microsystems, Inc.
Altria Corporate Services Inc.
Amgen Inc.
Analog Devices, Inc.
Analogic Corporation
AstraZeneca Pharmaceuticals LP
Avant Immunotherapeutics
BAE Systems
Bentley College
Biogen Idec
Boston Foundation
Boston Scientific Corporation
Boston University
Canaccord Adams Inc.
Carruth Capital LLC
Charles River Ventures
Choate Hall & Stewart LLP
Cognex Corporation
Colubris Networks
Comcast
Communications & Power Industries, Inc.
Constellation NewEnergy
Cubist Pharmaceuticals, Inc.
Deloitte.
Doubletree Guest Suites
Dynamics Research Corporation
EMC Corporation
EMD Serono
EnerNOC, Inc.
Entegris Inc.
Ernst & Young LLP

Feeley & Driscoll
Fidelity Investments
FIRST
Foster-Miller
Fraen Corporation
General Dynamics
Genzyme Corporation
GlaxoSmithKline
Goodwin Procter LLP
Greenberg Traurig LLP
GW Premier America, Inc.
Harvard Pilgrim Health Care
Headwall Photonics, Inc.
Hewlett-Packard Company
IBM
InterSense Inc.
JACO Inc.
Konarka Technologies
KPMG LLP
Kronos Incorporated
kSARIA
Lahey Clinic Hospital, Inc.
Lilliputian Systems
Lockheed Martin Sippican
L. S. Starrett Company
Massachusetts Port Authority
McCarter & English LLP
Mercury Computer Systems, Inc.
Millipore Corporation
MIT Lincoln Labs
MITRE Corporation
MKS Instruments, Inc.
National Grid USA
North Bridge Venture   Partners
NSTAR
OATSystems, Inc.
Pfizer Inc.
Philips Medical Systems

PlanetTran
PricewaterhouseCoopers 
Riverside Partners
Rohm and Haas Electronic Materials, L.L.C.
Satcon Technology Corp.
Schott North America 
Senior Aerospace Metal Bellows
Skyworks Solutions
SolidWorks Corporation
SourceOne
Sovereign Bank
Stratus Technologies, Inc.
Sullivan and Cogliano Cos.
Tatum LLC 
TD Banknorth Insurance Group
Temptronic Corporation
Teradyne, Inc.
Textron Systems 
The Charles Stark Draper Laboratory, Inc.
Thermatron Engineering Inc.
Thermo Fisher Scientific
TIAX LLC
University of Massachusetts
Varian Semiconductor Equipment Associates, Inc.
Vertex Pharmaceuticals, Inc.
Waters Corporation
Wheelock College
William George Associates
Windward Investment Management
Worcester Polytechnic Institute
Wyeth Pharmaceuticals
Zoran Corporation