| Business | Phone |
| Mini Neck Mfg 3314 Daisy St, Pasadena 77505 | (713) 477-4343 |
| Hart Industries 1019 Thomas Ave, Pasadena 77506 | (713) 477-5999 |
| International Precision Mfg 4407 Italy Ln, Pasadena 77505 | (281) 998-1381 |
| Bay Area Fabrication & Supply 5851 Red Bluff Rd, Pasadena 77505 | (281) 479-7791 |
| Ventech Manufacturing Facility 1107 Broadway Ave, Pasadena 77506 | (713) 477-0973 |