The Cohen Group is a firm providing advice to corporate leadership and assistance in marketing and regulatory affairs. It is based in Washington, D.C. with offices in Beijing and Tianjin, People's Republic of China.

Cognizant Technology Solutions Corp is an American multinational corporation that provides custom information technology, consulting, and business process outsourcing services. It is headquartered in Teaneck, New Jersey, United States. Cognizant is listed in the NASDAQ-100 and the S&P; 500 indices. Originally founded as an in-house technology unit of Dun & Bradstreet in 1994, Cognizant started serving external clients in 1996.

Cliff Consulting provides services in project management, in the assessment, design, and implementation of improvements to business operations and in the implementation of information technology.

CLG Consulting specializes in disaster human services - the aspects of emergency management that address the complex needs of people during preparedness, response and recovery.

A management and technology consulting firm, specializing in life sciences and consumer products industries.

Provides strategic and organizational consulting to the pharmaceutical, biotechnology and medical device/diagnostics businesses.

CherryRoad Technologies Inc. provides systems integration and consulting services and is an Oracle Platinum Partner

Chemonics is an international development consulting firm that promotes meaningful change to help people live healthier, more productive, and more independent lives in developing countries.

Offers management consulting to hospitals, health systems and provider organizations; services include strategic and operational consulting, research, and program management.

CFO Consulting Services is a financial management and consulting firm offering small to middle market companies the expertise, experience, and commitment they need when a full-time CFO is not financially or strategically practical.