- Coleman (11 Companies)
- College Park (361 Companies)
- Collins (47 Companies)
- Colquitt (384 Companies)
- Columbus (16,229 Companies)
- Comer (134 Companies)
- Commerce (1,579 Companies)
- Concord (66 Companies)
- Conley (525 Companies)
- Conyers (7,294 Companies)
- Coolidge (86 Companies)
- Coosa (2 Companies)
- Cordele (1,987 Companies)
- Cornelia (1,202 Companies)
- Covington (4,713 Companies)
- Crandall (57 Companies)
- Crawford (168 Companies)
- Crawfordville (98 Companies)
- Crescent (2 Companies)
- Culloden (35 Companies)
- Cumming (9,122 Companies)
- Cusseta (102 Companies)
- Cuthbert (307 Companies)
- Dacula (1,700 Companies)
- Dahlonega (1,814 Companies)
- Daisy (2 Companies)
- Dallas (3,341 Companies)
- Dalton (8,084 Companies)
- Damascus (24 Companies)
- Danielsville (359 Companies)
- Danville (31 Companies)
- Darien (533 Companies)
- Davisboro (37 Companies)
- Dawson (588 Companies)
