- Courtyard by Marriott, Rocky Mount, NC
- Courtyard by Marriott, Springfield
- Courtyard by Marriott, Tulsa
- Courtyard by Marriott, Yorktown
- Courtyard Century City-Beverly Hills, Los Angeles
- Courtyard Charlotte Lake Norman
- Courtyard Convention Center
- Courtyard Durham, Durham NC
- Courtyard Hartford, Manchester CT
- Courtyard Houston Brookhollow
- Courtyard Houston-Near the Galleria
- Courtyard Meadowlands, Secaucus NJ
- Courtyard Providence Downtown, Providence RI
- Courtyard Raritan Center, Edison NJ
- Courtyard St. Louis-Maryville
- Courtyard Times Square South NYC
- Courtyard Wilmington, Wilmington NC
- Courtyard, Bissell Hotels
- Courtyard, Suwanee, GA
- Covance Laboratories, Inc.
- Covenant Children's Hospital
- Covenant HealthCare
- Covenant Medical Center
- Covenant Medical Center
- Covenant Place
- Covenant Presbyterian Church
- Coveris
- Covington County Commission
- Covington County Hospital
- Cowan and Owen, PC Attorneys at Law
- Cowley County United Way
- Cox Communications
- Cox Publishing
- Cox Radio
- Cox Radio, Inc.
- Cozad United Way, Inc.
- CPOR, Inc.
- Craig Smith Architecture, Inc.
- Cranwell Resort and Golf Club, Lenox MA
- Craven County - New Bern
- Craven County Schools
- Crawford County Memorial Hospital
- Crawford Ellenbogen LLC
- CRDA
- Creative Associates International, Inc.
- Creative Computer Services Incorporated
- Creative Management Group
- Creative Memories-The Antioch Company
- Creative Socio Medics
- Creative Solutions Unlimited, Inc.