| Business | Phone |
| Computer Aided Technology Inc 9465 Counselors Row, Indianapolis 46240 | (317) 818-9600 |
| Terry Hilt Cad Svc 5023 W 13th St, Indianapolis 46224 | (317) 243-0845 |
| Sterling Systems Indiana 9465 Counselors Row, Indianapolis 46240 | (317) 846-2900 |
| Jerand Technical Svc Inc 9011 Butternut Ct, Indianapolis 46260 | (317) 875-6087 |
| Intergraph Corp 5881 E 82nd St, Indianapolis 46250 | (317) 845-7455 |