| Business | Phone |
| Pro Comp Engineering 9904 Gray Blvd K, Austin 78758 | (512) 835-1871 |
| Altair Engineering 7800 Shoal Creek Blvd 290e, Austin 78757 | (512) 467-0618 |
| Blair Engineering Inc 13706 N Highway 183, Austin 78750 | (512) 257-2207 |
| Dick Schmidt Engineering 3407 Jefferson St, Austin 78703 | (512) 329-8700 |
| One Highland Ctr Engineerng 314 E Highland Mall Blvd, Austin 78752 | (512) 451-0648 |