- Capital Care Inc
- Capitol Discovery Services
- Capitol Hill Supportive Services
- Care For All Home Services LLC
- Choices Unlimited
- Circle Of Care Quality Services
- Comfort SiSi
- Community Multi Services
- Community Support Systems
- Community Wellness Ventures PCR
- Companion Services provider version
- Complete Circle Care DC, Inc
- Contemporary Family Services
- Creative Options for Employment
- Credible Home
- Crystal Springs
