- Commercial Roofing Consultants, Inc.
- Commissioners Chambers County
- Commonwealth Bank
- Commonwealth Health Regional Hospital of Scranton
- Commonwealth Health Wilkes-Barre General Hospital
- CommPartners
- Communication at Work
- Communication Fraud Control Association
- Communications Test Design, Inc
- Community Action Commission of Fayette County
- Community Action Council
- Community Alert Network
- Community Ambulance
- Community Anti-Drug Coalitions of America
- Community Asphalt Corporation
- Community Association Institute
- Community Bank of New Jersey
- Community Blood Center-Community Tissue
- Community Board 8
- Community Care Partners
- Community Choice Michigan
- Community Development Loan Fund
- Community Family Centers
- Community Financial Services Association of America
- Community First Medical Center
- Community Foundation of Western North Carolina
- Community Fund of Darien
- Community Health Access Network
- Community Health Care Systems, Inc.
- Community Health Center of Franklin County
- Community Health Center of the Black Hills
- Community Health Centers of Burlington
- Community Health Centers of Western Kentucky
- Community Health Centers of Western Kentucky
- Community Health Connect
- Community Health Emergency Services
- Community Health Initiative
- Community Health Link
- Community Health Network Business Development
- Community Health Partnership
- Community Healthcare System
- Community Heart and Vascular - Community Health Network
- Community Hospital
- Community Hospital
- Community Hospital Anderson - Community Health Network
- Community Hospital East - Community Health Network
- Community Hospital North - Community Health Network
- Community Hospital of Huntington Park
- Community Hospital of San Bernardino
- Community Hospital South - Community Health Network