| Business | Phone |
| Nanoridge Materials Inc 2315 Schlumberger St, Houston 77023 | (713) 928-6166 |
| Enduro Composite Systems 16602 Central Green Blvd, Houston 77032 | (713) 358-4000 |
| Polycess Corp 9894 Bissonnet St, Houston 77036 | (713) 779-7188 |
| Altair Co 9501 Baythorne Dr, Houston 77041 | (713) 462-8085 |
| Cutting Edge Machine Works 10226 Georgibelle Dr, Houston 77043 | (713) 461-3977 |
| Plasco Inc 24 E Greenway Plz 808, Houston 77046 | (713) 621-2803 |
| Quality Display Products 2500 Farrell Rd, Houston 77073 | (281) 821-1372 |
| Regent Environmental Products 1080 Sam Houston Pkwy 130, Houston 77043 | (713) 461-8491 |
| Rosewood Plastic Group Inc 1908 Karbach St, Houston 77092 | (713) 680-2226 |