| Business | Phone |
| Adtech Systs Research Inc 1342 N Fairfield Rd, Dayton 45432 | (937) 426-3329 |
| K Systems Corp 1522 Marsetta Dr, Dayton 45432 | (937) 429-5151 |
| Business Research Assoc 3411 Office Park Dr, Dayton 45439 | (937) 299-7393 |
| Cannon Chemical Co 9 Huffman Ave, Dayton 45403 | (937) 259-0014 |
| Wright Materials Research Co 1187 Richfield Ctr, Dayton 45430 | (937) 431-8811 |
| Cornerstone Research Group 2750 Indian Ripple Rd, Dayton 45440 | (937) 320-1877 |
| Eastern Microbes Inc 7825 N Dixie Dr, Dayton 45414 | (937) 898-3725 |
| Encapsulated Products Inc 1224 Mccook Ave, Dayton 45404 | (937) 222-1120 |
| Systems Research Labs Div 2800 Indian Ripple Rd, Dayton 45440 | (937) 426-0037 |
| Szpur Corp Inc 2685 Culver Ave, Dayton 45429 | (937) 298-8797 |
| Innovative Scientific Solution 2766 Indian Ripple Rd, Dayton 45440 | (937) 429-4980 |
| Leonard Research Co 2792 Indian Ripple Rd, Dayton 45440 | (937) 426-1222 |
| Microtek Laboratories Inc 5747 Executive Blvd, Dayton 45424 | (937) 236-2213 |