| Business | Phone |
| Builders Gypsum Supply 2018 Pasket Ln, Houston 77092 | (713) 680-1474 |
| Crown Industrial Ceramics 12651 Briar Forest Dr, Houston 77077 | (281) 497-0810 |
| International Laminating Systs 7013 Dixie Dr, Houston 77087 | (713) 645-0383 |
| United States Gypsum Co 15418 Windy Cove Dr, Houston 77095 | (281) 463-3070 |
| Shafaii Export Import Co 1000 Broadway St, Houston 77012 | (713) 923-5300 |
| Advanced Industrial Ceramics 12651 Briar Forest Dr 151, Houston 77077 | (281) 497-4788 |