| Business | Phone |
| Amtech Manufacturing Inc 5129 Vesta Farley Rd, Fort Worth 76119 | (817) 293-4911 |
| Ashley Automation & Technology 6105 Denton Hwy, Fort Worth 76148 | (817) 427-4001 |
| Carlson Engineering Inc 505 Ne 37th St, Fort Worth 76106 | (817) 877-3815 |
| Romeo Engineering Inc 4217 Hahn Blvd, Fort Worth 76117 | (817) 656-0048 |