| Business | Phone |
| Intergraph Solutions Group 4141 Colonel Glenn Hwy # 111, Dayton 45431 | (937) 427-2085 |
| Devamerica Inc 413 Woodknolls Dr, Dayton 45449 | (937) 859-4652 |
| Solid Insight 1780 S Metro Pkwy, Dayton 45459 | (937) 436-3535 |
| Miami Valley Residential Cad 9505 Hacker Farm Ln, Dayton 45458 | (937) 885-7060 |