| Business | Phone |
| Sowell & Assoc 7322 Southwest Fwy 1100, Houston 77074 | (713) 771-2642 |
| Brown Fintube Co 12602 Fm 529 Rd, Houston 77041 | (713) 896-8350 |
| Heat & Power Boiler Svc 5807 Little York Rd, Houston 77016 | (713) 633-4842 |
| Kruger Associates Inc 14811 Saint Marys Ln 264, Houston 77079 | (281) 759-3900 |
| Inseco 2600 S Gessner Rd, Houston 77063 | (713) 781-2644 |