| Business | Phone |
| A T & T Government Solutions 2940 Presidential Dr # 390, Fairborn 45324 | (937) 429-7773 |
| Ball Systems Engineering 2875 Presidential Dr # 180, Fairborn 45324 | (937) 429-5005 |
| Georgia Tech Research Inst 2970 Presidential Dr, Fairborn 45324 | (937) 427-0125 |
| Lockheed Martin Corp 2940 Presidential Dr # 290, Fairborn 45324 | (937) 429-0100 |
| Lockheed Martin Corp 3000 Presidential Dr # 215, Fairborn 45324 | (937) 427-5000 |
| Xontech Inc 2850 Presidential Dr # 200, Fairborn 45324 | (937) 320-9140 |