- Cane Creek Middle School
- Cannon Memorial Hospital
- Cansler, Johnson and Vollherhausen
- Canteen Food and Vending
- Cape Fear Valley Health System
- Cardinal Health
- Career Education Center
- Caring of Jackson County
- Carol Woods Retirement Community
- Carolina Day School
- Carolina Donor Services
- Carolina East Medical Center
- Carolina First Assoc, Loc
- Carolina Meadows
- Carolina Mortgage Professionals
- Carolina Mountain Dermatology
- Carolinas Center for Advanced Management of Pain
- Carolinas HealthCare System Blue Ridge-Morganton
- Carolinas Healthcare System Blue Ridge-Valdese
- Carolinas HealthCare System NorthEast
- Carolinas Medical Center
- Carolinas Medical Center - Mercy
- CaroMont Regional Medical Center
- Carteret Health Care
- Castle Worldwide Inc
- Catawba Valley Medical Center
- CCCS of WNC, Inc.
- Central Carolina Hospital
- Central Peidmont Community College
- Chapel Hill Orange County Visitors Bureau
- Charles A. Cannon Memorial Jr. Hospital
- Charles C. Bell Elementary School
- Charles D. Owen Manufacturing Company
- Charles George VA Medical Center
- Charlotte Airport - Fairfield Inn by Marriott, NC
- Charlotte City Center Courtyard, Charlotte, NC
- Charlotte-North - Fairfield Inn by Marriott, NC
- Cherokee Indian Hospital
- Christy Trucking Company, Inc.
- City of Asheville
- City of Hickory
- City Of Wilson
- Clarion State Capitol - Downtown, Raleigh, NC
- Clarkston Consulting
- Cleveland Regional Medical Center
- Clientlogic
- ClinForce
- CNC-Access, Inc.
- Coastal Carolina Health Alliance
- Columbus Regional Healthcare System