| Campaigns & Grey |
| Canon Information Technologies |
| Capitol Wireless Inc (Capwire, Inc.) |
| CARAL Investment |
| Cardam's - Cebu |
| Cardian Builders - Cebu |
| Cardinal Ceramics - Davao |
| Career Systems, Inc. |
| Cargill Industries - Cebu |
| Carlos Palanca Foundation |
| Carworld Inc - Pampanga |
| Casa Caters, Inc. |
| Casing Bros Inc - Cebu |
| CASSC - Pampanga |
| Castle Peak Hotel - Cebu |
| Catarman Industries - Cebu |
| Catholic Women's Club |
| Cavite Coop Development Bank |
| Cavite Steering Committee |
| Cebu Advertising Services & Promotion Inc |
| Cebu Chamber of Commerce and Industry |
| Cebu Chapter |
| Cebu City Marriott Hotel |
| Cebu DHL Transport Corp |
| Cebu Electric Cooperative (Davao) |
| Cebu Ferries Corporation |
| Cebu Fil-Chinese Chamber of Commerce |
| Cebu Finecrafts Phils Inc |
| Cebu Graphic Star |
| Cebu Holdings, Inc. |
| Cebu Oversea Hardware |
| Cebu Pacific |
| Cebu Plastic |
| Cebu Premier Industrial Gases Corp |
| Cebu Printing & Packaging |
| Cebu Progress Commercial |
| Cedars-Sinai Medical Center, CA U.S.A |
| CEFFI |
| Celine Global Logistics, Inc. |
| Cellophane Group |
| CEMEX Philippines (APO Cement and Solid Cement Corp.) |
| Centerstage Production Consultant Co. |
| Central Azucarera de La Carlota, Inc. |
| Central Azucarera Don Pedro |
| Centurion Security Agency - Western Visayas |
| Century Park Hotel |
| CGM & Co |
| Chanel Limited Co. |
| Chavez Construction Services |
| Child and Family Services Philippines, Inc. - Baguio |
