| Business | Phone |
| Zip-Chem Products 9525 Kenwood Rd # 16-214, Cincinnati 45242 | (614) 208-3585 |
| Aviall Inc 4233 Airport Rd, Cincinnati 45226 | (513) 871-6623 |
| Bill Schmidt Aircraft Inc 1034 Grandin Ridge Dr, Cincinnati 45208 | (513) 533-0108 |
| Flight Depot 262 Wilmer Ave, Cincinnati 45226 | (513) 321-6777 |
| Industrial Parts & Equipment 3428 Hauck Rd, Cincinnati 45241 | (513) 554-6200 |
| Rockwell Collins Inc 7772 Styrax Ln, Cincinnati 45236 | (513) 984-5395 |