577 Main Street LLC
Abacus Group
Abbott Laboratories Inc.
Advanced Electron Beams
AgileLayer
Alteris Renewables
Amgen Inc.
Analog Devices, Inc.
Analogic Corporation
BAE Systems
Bentley University
Biogen Idec
Blitzer, Clancy & Company
Bluestone Consulting Group
Boston Foundation
Boston Lasers
Boston Scientific Corporation
Boston University
British Consulate
Canaccord Genuity Inc.
Carruth Capital LLC
Charles River Ventures
Choate Hall & Stewart LLP
Cognex Corporation
ConnectEDU
Courion Corporation
Cubist Pharmaceuticals
Dassault Systèmes
SolidWorks Corp.
Deloitte
Draper Laboratories
Dunn & Partners, LLC
Dynamics Research Corporation
EMD Serono
EnergyPoints<br/> EnerNOC, Inc.
Entegris Inc.

Eureka! Advisory LLC
Feeley & Driscoll
Fidelity Investments
Fivespark
Fosta-Tek Optics
Fraen Corporation
GlaxoSmithKline
Goodwin Procter LLP
Goulston & Storrs
Gunderson Dettmer Stough Villeneuve Franklin & Hachigian, LLP
Harvard Pilgrim Health Care
Healthcare Source
ideaPoint
JACO Inc.
Kalido
Konarka Technologies
KO Instruments
KPMG LLP
Kronos Incorporated
Lilliputian Systems
Lockheed Martin Sippican
L. S. Starrett Company
MacPherson Medical
Massachusetts Port Authority
Mercury Computer Systems, Inc.
Millipore Corporation
MITRE Corporation
MKS Instruments, Inc.
Myomo
National Grid USA
Northeastern University
NSTAR
Pegasystems
Pfizer Inc.
Philips Medical Systems

PTC
Rasky Baerlein Strategic Communications
Riverside Partners
Safe Hydrogen
Satcon Technology Corp.
Senior Aerospace Metal Bellows
Serlin Haley LLP
Skyworks Solutions, Inc.
SMB Research
Sovereign Bank
Stratus Technologies, Inc.
Sullivan and Cogliano Cos.
TD Insurance
Technology Innovators
Telcare
Teradyne, Inc.
Textron Systems 
Thermatron Engineering Inc.
Transitional Data Services
TwinStrata
Tyson Associates
University of Massachusetts
USI New England
Varian Semiconductor Equipment Associates, Inc.
Waters Corporation
Wentworth Institute of Technology
WhiteGlove Health
William George Associates
Windward Investment Management
Worcester Polytechnic Institute
Zero Point Risk Research
Zink Imaging Group
Zoran Corporation