| Business | Phone |
| Westlake Chemical Corp 2801 Post Oak Blvd 600, Houston 77056 | (713) 960-9111 |
| Utility Structural Systems 9430 Telephone Rd, Houston 77075 | (281) 890-6913 |
| Outdoor Polymer Systems Inc 6911 Breen Dr, Houston 77086 | (281) 447-1002 |
| Polytex Fibers 9341 Baythorne Dr, Houston 77041 | (713) 690-9055 |