- ChaseCom LP
- Chatham County Sheriff's Department
- Chatham University
- Chatsworth At PGA National
- Chattanooga Area Convention and Visitors Bureau
- Check'n Go, Inc.
- Checkpoint Systems, Inc.
- Chelsea Community Hospital
- Chelsea Retirement Community
- Chenango County Chamber of Commerce
- Cherokee Indian Hospital
- Cherokee Medical Center
- Cherokee Nation WW Hastings
- Cherokee Regional Medical Center
- Cherokee Staffing LLC
- Cherry Street Health Services
- Chesapeake Bagel Bakery - All stores
- Chesapeake Bus and Equipment Company
- Chesapeake Conference Center
- Chesapeake Conv + Tourism
- Chesapeake Regional Hospital
- Chesapeake Regional Medical Center
- Cheshire Medical Center
- Chester County Convention and Visitors Bureau
- Chester County Hospital Penn Medicine
- Chester-Richmond - Fairfield Inn by Marriott, VA
- Chesterfield County
- Chevron Texaco
- Cheyenne County Hospital
- Cheyenne Regional Medical Center
- CHI CUMC Bergan Mercy
- CHI Health Good Samaritan
- CHI Health Good Samaritan Hospital
- CHI Health Immanuel
- CHI Health Mercy Corning
- CHI Health Mercy Council Bluffs
- CHI Health Missouri Valley
- CHI Health St. Francis
- CHI Lisbon Health
- CHI Memorial Hospital Georgia
- CHI Memorial Hospital Hixson
- CHI Mercy Hospital Valley City
- CHI Oakes Hospital
- CHI St. Alexius Health Bismarck
- CHI St. Alexius Health Dickinson
- CHI St. Alexius Health Garrison
- CHI St. Alexius Health Turtle Lake
- CHI St. Alexius Health Williston
- CHI St. Francis Medical Center
- CHI St. Joseph's Health