| Business | Phone |
| N-Kit Co 7131 Quail Field Dr, Houston 77095 | (281) 855-1444 |
| Sealco Houston 77002 | (713) 659-2924 |
| Tank Pasadena 15915 Jacintoport Blvd, Houston 77015 | (281) 862-0971 |
| Tejas Elevator Co Houston 11811 East Fwy 230, Houston 77029 | (713) 455-1088 |
| Thyssenkrupp Elevator 9555 Baythorne Dr, Houston 77041 | (713) 460-9119 |
| Pevco Systems Intl Inc 2656 South Loop W, Houston 77054 | (713) 432-1095 |
| Millar Elevator Svc 8395 Kempwood Dr, Houston 77055 | (713) 984-1313 |
| Otis Elevator Company 1289 N Post Oak Rd 100, Houston 77055 | (713) 975-0282 |
| Otis Elevator Company 4300 W 12th St, Houston 77055 | (713) 524-8486 |
| Rex Long Transport Co 6430 Richmond Ave 480-, Houston 77057 | (832) 256-9438 |
| Air Communication 32219 Tamina, Houston 77060 | (281) 931-3201 |
| Telenet Installation 10034 Santa Monica Blvd, Houston 77089 | (713) 896-7977 |
| Otis Elevator Company 5011 Wakeforest St, Houston 77005 | (713) 668-8713 |
| Stone Machinery Movers Inc 5610 Almeda Genoa Rd, Houston 77048 | (713) 991-3991 |
| Schindler Elevator Corp 1201 West Loop N 130, Houston 77055 | (713) 692-7165 |
| Swisslog Translogic 10909 Sabo Rd, Houston 77089 | (281) 481-3806 |
| Power System Svc 2514 Vaughn St, Houston 77093 | (713) 692-2333 |