| Business | Phone |
| Avalon Engineering Inc 2503 Del Prado Blvd S # 200, Cape Coral 33904 | (239) 549-8559 |
| Source Inc 1334 Lafayette St, Cape Coral 33904 | (239) 549-2345 |
| Harrop Engineering Co 1424 Se 17th Ave # 1, Cape Coral 33990 | (239) 458-0221 |
| Horizon Engineering Inc 2804 Del Prado Blvd S, Cape Coral 33904 | (239) 945-0551 |
| Jri Engineering Inc 2328 Hancock Bridge Pkwy # 114, Cape Coral 33990 | (239) 458-5544 |