| Group Name |
| Administaff Insurance Services LLC |
| Alcate-Lucent |
| Alcoa |
| Amgen, Inc. |
| AT&T Services, Inc. |
| Bose Corporation |
| Boston University |
| Bowditch & Dewey |
| Cianbro Corporation |
| Citigroup, Inc. |
| Citizens Financial Group, Inc. |
| Comcast Corporation |
| CVS Corporation |
| Delta Air Lines |
| Disney Worldwide Services, Inc. |
| Education Management Corp., Inc. (EDMC) |
| Electronic Arts, Inc. |
| Federal Reserve System |
| Franklin First Federal Credit Union |
| General Dynamics Corporation |
| Golden Living |
| H&R Block |
| Hartford Hospital |
| Hertz Corporation |
| IKON Office Solutions |
| Institute of Electrical and Electronic Engineers |
| International Data Group |
| Johnson & Johnson |
| Kennametal, Inc. |
| Konica Minolta Business Solutions U.S.A., Inc. |
| Landlord Business Association, Inc. |
| Marsh & McLennan Companies |
| Mechanics' Co-operative Bank |
| Medtronic, Inc |
| Merril Lynch & Co., Inc. |
| Middlesex Community College |
| Neles-Jamesbury |
| New York Life |
| NRT Associates |
| PepsiCo, Inc. |
| Performance Food Group |
| Publicis USA |
| Putnam Investments |
| QualxServ LLC |
| Realogy |
| Schweitzer Mauduit International |
| Sears Associates |
| Sears Retirees |
| Southcoast Health System Federal Credit Union |
| Southern Massachusetts Telephone Workers Credit Union |
| SPX Corporation |
| Starbucks Corporation |
| Target Corporation |
| TD Banknorth, Inc. |
| The New York Times Company |
| The Travelers Companies, Inc. |
| Touchstone Federal Credit Union |
| Town of Lee |
| Trinity College |
| Universal Health Systems, Inc. (UHS) |
| Utica Mutual Insurance Company |
| Verizon |
| Verizon Business |
| Verizon Wireless |
| Wachovia |