Communications |
| AT&T | Bakcell Ltd |
| Bell Mobility | Cavalier Telephone |
| CenturyLink | Cincinnati Bell |
| Comcast | Cox Communications |
| CSG Global | DirecTv - South America |
| EDS | Eircom LTD |
| EMBARQ | Hawaiian Telcom |
| Hellas Online | iiNet |
| iwireless | Maxis Malaysia |
| Mobinil (Cairo) | MTS Allstream |
| NSS | One Communications Corp. |
| Optitelecom | Rogers Communication |
| Sask-Tel | Shaw Communications |
| Swisscom | Telecom New Zealand |
| Telefonica 02 | Telefonica Argentina |
| Telmex - Colombia | Time Warner Cable |
| T-Mobile | US Cellular |
| Verizon | Viva - Puerto Rico |
| Vodafone - Australia | Vodafone - UK |
| XO Communications | |
Energy/Utilities |
| Alagasco | AGL Resources |
| Ameren | Alliant Energy |
| Arizona Public Services (APS) | Anglian Water |
| Baltimore Gas and Electric (BGE) | ATMOS Energy |
| Centerpoint Energy | Cascade Natural Gas |
| Central Maine Power Company | Central Hudson Energy Group |
| City Public Services (CPS Energy) | Centrica/British Gas |
| Consolidated Edison | Cleveland Water Department |
| DTE Energy | Dayton Power and Light |
| EDF Power | Duquesne Light |
| Enel Romania - WebConnect | Endesa |
| Entergy | Enmax Energy |
| First Energy | Exelon (ComEd, PECO) |
| Hawaiian Electric Company | Florida Power and Light |
| Hydro Quebec | Hydro One |
| Iberdrola - Madrid | Iberdrola - Energy East/NYSEG/RGE |
| Knoxville Utility Board | Kansas City Power and Light |
| MDU Resources | Maui Electric |
| Mobile Gas | Missouri Gas Energy |
| New Jersey Natural Gas | Nevada Power/NV Energy |
| NiSource | Nicor Gas |
| NSTAR | Nova Scotia Power |
| NW Natural Gas | NW Energy |
| Pacific Gas and Electric (PG&E) | ONEOK, Inc. |
| Philadelphia Gas Works | Pepco Holdings |
| PPL Electric Utilities Corporation | Portland General Electric |
| RWE n Power | Reliant Energy |
| Scottish Power | Scana Energy |
| Snohomish County PUD | Sempra Energy |
| Southern California Edison (Edison International) | South Central CT Regional Water |
| Southern Maryland Electric Cooperative (SMECO) | Southern Company |
| Tacoma Power | Stream Energy |
| TECO Energy - Tampa Gas | TECO Energy - People's Gas |
| TXU Energy | Tucson Electric |
| Vectren | United Illuminating Company |
| Westar Energy | Vertex - Georgia Natural Gas |
| | Wisconsin Energy |
Financial |
| AEGON | ADP |
| Amerigroup | American Century Companies |
| Bank of America | Banco Popular |
| China Everbright Bank | Bank of Hapoalim |
| Countrywide Bank | CSOB Czech Republic |
| Desjardins Groups | ELAVON |
| Fifth Third | Fiserv |
| GC Services | GE Capital and GE Fleet |
| Generali Assurance | Huntington Bank |
| JP Morgan Chase | Merrill Lynch |
| Morgan Stanley | National Bank of Canada |
| PHH Corporation | People's United Bank |
| Randolph-Brooks Federal Credit Union | Piraeus Bank |
| RBC Insurance | RBC Bank Credit Services |
| Sitel | Sallie Mae |
| TESCO Personal Finance | Standard Chartered Bank |
| Union Bank of California | TIAA CREF |
| Yapi Kredi Bank | Vancity |
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Government |
| American Postal Workers Union Health Plan | Australian Tax Office (ATO) |
| Bristol City Council | California Department of Motor Vehicles |
| California Public Employee Retirement Services | Dept. of Human Services - Child Support Agency (Australia) |
| Employment Securities Commission of North Carolina | Florida Agency for Workforce Innovation |
| Franchise Tax Board of California | Inland Revenue (IRD - New Zealand) |
| MA Dept. of Labor & Workforce Development | Massachusetts - Executive Office of Transportation |
| Michigan - Dept. of State | Michigan Office of Retirement Services |
| Mississippi Department of Employment Security | Nevada Dept. of Employment, Training and Rehabilitation |
| New Mexico Dept. of Workforce Solutions | New York State Dept. of Labor |
| NJ Dept. of Labor | Ohio Department Of Jobs and Family Services (ODJFS) |
| Ohio Health Plans | Ohio Public Employees Retirement System |
| Oregon Employment Department | Queensland Police Service |
| Social Security Administration (SSA) | State Teachers Retirement System of Ohio |
| Texas Parks and Wildlife | U.S. Department of Veterans Affairs |
| Washington State Employment Security Dept. | |
Healthcare/Insurance |
| AFLAC | Allstate |
| AVIVA (was Amerus Annuity Group) | Blue Cross Blue Shield of Florida |
| Blue Cross Blue Shield of Kansas | Blue Cross Blue Shield of Michigan |
| Blue Cross Blue Shield of North Carolina | Blue Cross Blue Shield of Tennessee |
| Blue Cross of Northeast Pennsylvania | CareFirst |
| CareFusion (formerly Cardinal Health) | Caremark Pharmacy Services |
| ConnectiCare | Emblem Health, Inc. |
| Euromut | ExcelleRx |
| Government Employees Hospital Association, Inc. | Highmark Inc. |
| Infinity Insurance | Liberty Medical |
| Linea Directa | Liberty Seguros |
| Mutual of Omaha | Medibank |
| Patent Health | Nationwide Insurance |
| Prescription Solutions | Presbyterian Health |
| Traveler's Insurance | Roche Diagnostics |
| WellPoint | Unitrin Direct |
| | Zurich Insurance |
High-Tech |
| Affinity | Adobe |
| Cosmote | Canon |
| Newegg | IBM |
| Sykes Assistance Services Corporation | Samsung |
| | Yahoo! |
Retail |
| AVON Products | Bally Fitness |
| Best Buy | General Electric Light and Appliance |
| HSN | John Deere |
| John Wiley & Sons | Macy's, Inc. |
| Moen | News Ltd |
| Nike | Pampered Chef |
| PCF | Pitney Bowes Inc. |
| SMC | The Shopping Channel |
| Thomson Reuters | Virgin America |
Travel |
| Air Canada | Alberta Motor Association |
| CAA Manitoba | CAA South Central |
| Carlson Wagonlit | Continental Airlines |
| CP Railway | Delta Airlines |
| Emirates Air | Expedia |
| Frontier Airlines | Gol Airlines |
| Hertz Global Holdings, Inc. | Penske Truck Leasing Company |
| Southwest Airlines | Travelocity |
| United Airlines | WestJet Airlines |
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