| C&S Wholesale Grocers |
New Hampshire, United States |
| Calgary Airport Authority |
Alberta, Canada |
| Calgary Board of Education |
Alberta, Canada |
| California Dental Association |
California, United States |
| California Earthquake Authority |
California, United States |
| California Public Employees' Retirement System (CalPERS) |
California, United States |
| California Redevelopment Association |
California, United States |
| California Water Service Co. |
California, United States |
| Calysto Communications |
Georgia, United States |
| Cambridge Associates, LLC |
Massachusetts, United States |
| Cambridge Associates, LLC |
Massachusetts, United States |
| CAN Capital |
Georgia, United States |
| Canada Brokerlink |
Alberta, Canada |
| Canada Energy Regulator |
Alberta, Canada |
| Canada Health Infoway |
Ontario, Canada |
| Canada West Land Services Ltd. |
Alberta, Canada |
| CanadaDirect |
Quebec, Canada |
| Canadian Agency for Drugs and Technologies in Health (CADTH) |
Ontario, Canada |
| Canadian Association for Community Living |
Ontario, Canada |
| Canadian Association Of Broadcasters |
Ontario, Canada |
| Canadian Diabetes Association |
Ontario, Canada |
| Canadian Hearing Society |
Ontario, Canada |
| Canadian Institute of Chartered Accountants |
Ontario, Canada |
| Canadian Medical Protective Association |
Ontario, Canada |
| Canadian Medical Protective Association |
Ontario, Canada |
| Canadian Standards Association |
Ontario, Canada |
| Canadian Working Group on HIV and Rehabilitation |
Ontario, Canada |
| Cancer Care Ontario |
Ontario, Canada |
| Canyon Ranch |
Arizona, United States |
| Capital Group Companies, Inc. |
California, United States |
| Capital One |
Virginia, United States |
| CAPP |
Alberta, Canada |
| Cardinal Health |
Ohio, United States |
| Cardinal Health, Inc. |
Ohio, United States |
| Caremark |
Texas, United States |
| CARLSON WAGONLIT TRAVEL |
Paris, France |
| CarterEnergy Corporation |
Kansas, United States |
| Cash America |
Texas, United States |
| CDS |
Ontario, Canada |
| CDSPI Inc. |
Ontario, Canada |
| Cendant |
New Jersey, United States |
| Cendant Mobility |
Connecticut, United States |
| Center for Health and Fitness |
California, United States |
| Central 1 Credit Union |
Ontario, Canada |
| Centre for Addiction and Mental Health (CAMH) |
Ontario, Canada |
| CENTRIX FINANCIAL, LLC |
Colorado, United States |
| CEP |
Georgia, United States |
| CH2M HILL OMI |
Colorado, United States |
| Champion Technologies |
Alberta, Canada |
| Charet & Associates |
New Jersey, United States |
| Chatham Financial |
Pennsylvania, United States |
| Chelan County Public Utility District |
Washington, United States |
| Chem-Trend LP |
Michigan, United States |
| ChenMed |
Florida, United States |
| Chevron |
California, United States |
| Children's Aid Society of Toronto |
Ontario, Canada |
| Children's Medical Center of Dallas |
Texas, United States |
| Christina Partners, Inc. |
, |
| Ciena |
Maryland, United States |
| Cineplex Entertainment LP |
Ontario, Canada |
| Citrine Managent Corp |
, United States |
| City of Burnaby |
British Columbia, Canada |
| City of Edmond, OK |
Virginia, United States |
| City of Kitchener |
Other, Canada |
| City of Mississauga |
Ontario, Canada |
| City of Surrey |
British Columbia, Canada |
| City of Vaughan |
Ontario, Canada |
| CMA Canada |
Ontario, Canada |
| CMA Ontario |
Ontario, Canada |
| CME Group |
Illinois, United States |
| Co-operators Life Insurance Company |
Saskatchewan, Canada |
| Coalition Against Insurance Fraud |
District Of Columbia, United States |
| COMADRONA Communications, Inc. |
California, |
| Commongood Careers |
Massachusetts, United States |
| Communications Strategy Group |
Colorado, United States |
| Community Food Centres Canada |
Ontario, Canada |
| Compliance and Business Integrity |
Dist. Columbia, United States |
| Computer Sciences Corp |
Virginia, United States |
| Con Edison |
New York, United States |
| Concentra Bank |
Saskatchewan, Canada |
| CONE HEALTH SYSTEM |
Other, |
| Confederation College |
Ontario, Canada |
| Conference of State Bank Supervisors |
District Of Columbia, United States |
| ConocoPhillips |
Texas, United States |
| Consortium Health Plans |
Maryland, United States |
| Constellation Energy |
Maryland, United States |
| Consumer Financial Protection Bureua |
Dist. Columbia, United States |
| Context Creative |
Ontario, Canada |
| Corinthian Colleges Inc |
California, United States |
| Corn Products International, Inc. |
Illinois, United States |
| CorpComm |
Virginia, United States |
| County of San Diego |
California, United States |
| Coventry Health Care of Georgia |
Georgia, United States |
| CPCU Society |
Pennsylvania, United States |
| CPP Investment Board |
Ontario, Canada |
| Crane Merchandising Systems |
South Carolina, United States |
| Credit Union Central of Canada |
Ontario, Canada |
| CropLife Americia |
District Of Columbia, United States |
| Crystal Stairs, Inc |
California, United States |
| CSX Transportation |
Florida, United States |
| Cytec Industries Inc. |
New Jersey, United States |
