| Business | Phone |
| Bunker Engineering 127 Sabine Rd, Boerne 78006 | (830) 537-9100 |
| Coyle Engineering Inc 512 E Blanco Rd, Boerne 78006 | (830) 249-5533 |
| Godsey Engineering 109 Shooting Club Rd, Boerne 78006 | (830) 249-5688 |
| Matkin-Hoover Engineering Inc 8 Spencer Rd 100, Boerne 78006 | (830) 249-0600 |