| Business | Phone |
| Us Airport Traffic Control 4713 Lathrop St, South Bend 46628 | (574) 236-8405 |
| Us Airway Facilities Sector 4477 Terminal Dr, South Bend 46628 | (574) 236-8430 |
| Us Faa 1843 Commerce Dr, South Bend 46628 | (574) 245-4600 |
| Us Faa 5800 Nimtz Pkwy, South Bend 46628 | (574) 245-4600 |