| Business | Phone |
| Womble Co Inc 5875 Kelley St, Houston 77026 | (713) 635-8300 |
| Cement Lining Co 1 E Greenway Plz 510, Houston 77046 | (713) 840-0415 |
| Custom Pipe Coating Inc 7177 Cavalcade St, Houston 77028 | (713) 675-2324 |
| Hms Corp 651 N Shepherd Dr 440, Houston 77007 | (713) 869-3944 |