| Cawood Communications Full-service PR, advertising, and marketing firm. |
| Charllotte Ann Image Academy Assists with business image planning, marketing, promotion, work place training and public speaking. |
| Cheryl Van Landingham Strategic Marketing & Public Relations Assists with strategic marketing and public relations planning and implementation. |
| CK Communications, Inc. Focused on marketing, public relations and strategic communications. |
| Clinton Gage & Associates Offers marketing communications, branding and creative development. |
| CMDGI: Marketing Logo design, stationery design, and web design to help the small business owner. Client list, company history, and an online job application form. |
| Co-Opportunities Assists clients in determining and prioritizing needs, developing marketing solutions and overseeing the execution of marketing plans. San Diego, CA. |
| Cohen Marketing Group Specializes in marketing the sport of hockey. |
| Communications Consultancy Unlimited A creative writing service including internal publications, corporate brochures, magazine and newspaper pieces and other aspects of internal and external communication. |
| Concept Communiques, Inc. Marketing and PR consultants in business and economic development with technical expertise in energy, the environment and developing a sustainable future. |