| Business | Phone |
| Midwest Air Traffic Control 465 Wilmer Ave, Cincinnati 45226 | (513) 321-8878 |
| Us Faa 28 W 4th St # 2243, Cincinnati 45202 | (513) 371-5055 |
| Us Faa Cincinnati Intl Airport, Cincinnati 45275 | (859) 371-5055 |
| Us Federal Railroad Adm 550 Main St, Cincinnati 45202 | (513) 684-3515 |
| Us Flight Standards Office 4240 Airport Rd, Cincinnati 45226 | (513) 533-8110 |