Communications:

AT&T Wireless
CCI New England
Cox Communications, Inc.
M/A Com, Inc.
Nortel Networks
T-Mobile USA
Verizon Wireless

Educational:

Harvard University
Harvard Law School
Houghton Mifflin Company
Regis College
University of Massachusetts
Wellesley College
Corporation for Education Network
Initiatives in California

Financial Services:

Aetna Life Insurance
Hanover Insurance Group
JP Morgan Chase
SunGard Availability Services LP
Thomson CompuMark
Digital Federal Credit Union
Hospital Billing & Collection
John Hancock Life Insurance Co.
SourceMedia
Automobile Insurers Bureau of MA

Hardware:

Computer Sciences Corp.
Netezza Corporation
Veeder-Root
Shaw Satellite Services, Inc.
Stratus Technologies

Healthcare Services:

Cape Cod Hospital
Deborah Heart & Lung Center
Fallon Clinic, Inc.
Fresenius Medical
Gambro Renal Products
Harvard Vanguard
IMS Health, Inc.
Jeanes Hospital
Lifeline Systems, Inc.
Mercy Hospital & Medical Center
Genesis Healthcare
TEVA Pharmaceutical
Waterbury Hospital Healthcare

Property Management:

Cabot Addison Lease Co.
CB Richard Ellis
Grubb & Ellis Mgmt. Svcs., Inc.
JJ Cacchio Enterprises, Inc.
Lee Technologies, Inc.
Meredith and Grew, Inc.

Public Service:

AARP
National Grid USA Service
Company, Inc.
Aqua Services
Elderhostel- Nonprofit
First Energy Corporation
United States Postal Svc.
Bain & Company

Retail:

Ann & Hope
Charming Shoppes
Converse, Inc.
Cumberland Farms
Gillette Company
Perdue Farms, Inc.
Reebok International, Ltd.
Talbots, Inc.
WearGuard-Crest

Software:

Constant Contact
eVault, Inc.
iBasis, Inc.
Kronos, Inc.
SS&C Technologies, Inc.
Workscape, Inc.
Xilinx, Inc.

Technology/Internet:

ABB, Inc.
Akamai Technologies, Inc.
Analog Devices
InfoUSA - OneSource
Monster.com
The Markley Group
Evergreen Solar, Inc.