| Business | Phone |
| Spectrum Door Hardware 3333 Longhorn Dr, Houston 77084 | (281) 558-7233 |
| Mauser Corp 4004 Homestead Rd, Houston 77028 | (713) 672-0580 |
| Sonoco Fibre Drum Co Inc 8610 Wallisville Rd, Houston 77029 | (281) 470-4400 |
| Southline Metal Products Co 3777 W 12th St, Houston 77055 | (713) 869-4343 |