| Business | Phone |
| Vital Statistics Bureau 225 Nelston Ave, Columbus 43215 | (614) 466-2533 |
| Commerce Dept 77 S High St # 23, Columbus 43215 | (614) 466-3636 |
| Development Dept 77 S High St # 27, Columbus 43215 | (614) 466-2480 |
| International Trade Div 77 S High St # 29, Columbus 43215 | (614) 466-5017 |