| Business | Phone |
| Criterium Van Marter Engineers Po Box 8736, Fort Wayne 46898 | (260) 426-5400 |
| Dqat Inc 1324 Pelham Dr, Fort Wayne 46825 | (260) 489-7712 |
| Engineering Vision Inc 5812 Industrial Rd, Fort Wayne 46825 | (260) 484-2748 |
| Gai Consultants 312 E Dupont Rd, Fort Wayne 46825 | (260) 489-2900 |
| Geotechnical & Materials Eng 3913 Merchant Rd, Fort Wayne 46818 | (260) 497-8127 |
| Gove Associates Inc 5620 Coventry Ln # 200, Fort Wayne 46804 | (260) 435-1414 |
| J & S Resource Management Inc 4105 Reed Rd, Fort Wayne 46815 | (260) 486-7296 |
| System Process Inc 131 E Gump Rd, Fort Wayne 46845 | (260) 637-1924 |
| Us Infrastructure Indiana Inc 10305 Dawsons Creek Blvd # A, Fort Wayne 46825 | (260) 489-6635 |
| Springer Engineering Inc 6007 Stoney Creek Dr, Fort Wayne 46825 | (260) 424-4262 |
| Rocke & Assoc 503 Airport North Office Park, Fort Wayne 46825 | (260) 489-4895 |
| Russell Engineering Assoc Inc 2527 Scotswolde Dr, Fort Wayne 46808 | (260) 482-5300 |
| Schnelker Engineering Inc 6004 Highview Dr # 1g, Fort Wayne 46818 | (260) 497-7447 |
| Patroit Engineering Co 6014 Huguenard Rd, Fort Wayne 46818 | (260) 490-1112 |
| Pedco E & A Svc Inc 202 W Berry St, Fort Wayne 46802 | (260) 424-1279 |
| Plant Engineering Svc Inc 9921 Dupont Circle Dr W # 125, Fort Wayne 46825 | (260) 489-1999 |
| Master Group 347 W Berry St # 500, Fort Wayne 46802 | (260) 424-2966 |
| Matson Consulting Engineers 3131 Engle Rd, Fort Wayne 46809 | (260) 478-8813 |
| Jones & Henry Engineers Inc 2420 N Coliseum Blvd # 214, Fort Wayne 46805 | (260) 482-1920 |