- Coleman (11 Companies)
- College Park (361 Companies)
- Collins (47 Companies)
- Colquitt (383 Companies)
- Columbus (16,213 Companies)
- Comer (134 Companies)
- Commerce (1,575 Companies)
- Concord (66 Companies)
- Conley (524 Companies)
- Conyers (7,286 Companies)
- Coolidge (86 Companies)
- Coosa (2 Companies)
- Cordele (1,984 Companies)
- Cornelia (1,199 Companies)
- Covington (4,701 Companies)
- Crandall (57 Companies)
- Crawford (167 Companies)
- Crawfordville (98 Companies)
- Crescent (2 Companies)
- Culloden (35 Companies)
- Cumming (9,100 Companies)
- Cusseta (102 Companies)
- Cuthbert (307 Companies)
- Dacula (1,695 Companies)
- Dahlonega (1,811 Companies)
- Daisy (2 Companies)
- Dallas (3,334 Companies)
- Dalton (8,072 Companies)
- Damascus (24 Companies)
- Danielsville (359 Companies)
- Danville (31 Companies)
- Darien (533 Companies)
- Davisboro (37 Companies)
- Dawson (586 Companies)
