| Business | Phone |
| Aluma Photo-Plate Co 9001 Airport Blvd 605, Houston 77061 | (713) 943-8561 |
| Big City Mfg 7561 Morley St, Houston 77061 | (713) 649-7769 |
| D & W Nameplate Svc 5200 Mitchelldale St E19, Houston 77092 | (713) 681-6616 |
| Metalcraft Inc 9120 Wilcrest Dr, Houston 77099 | (281) 530-3332 |