| Business | Phone |
| Mdl Enterprises 9888 Southwest Fwy, Houston 77074 | (713) 771-6350 |
| Asi Inc 8648 Glenmont Dr 190, Houston 77036 | (713) 783-2888 |
| Comtech System 5858 S Gessner Dr, Houston 77036 | (713) 784-1666 |
| Mhl Computer Inc 10515 Harwin Dr 150, Houston 77036 | (713) 777-9700 |
| Laser Cartridge Connection 13315 Veterans Mem Dr 401, Houston 77014 | (281) 580-5545 |