| Business | Phone |
| King Tool Co 11191 Westheimer Rd # 777, Houston 77042 | (713) 278-8330 |
| King Tool Co 2825 Wilcrest Dr # 559, Houston 77042 | (713) 278-8330 |
| Acf Equipment Co 14810 Chadbourne Dr, Houston 77079 | (281) 497-8005 |
| Agco Filtration 16190 Beaumont Hwy, Houston 77049 | (281) 456-8840 |
| Air Cleaner Systems Inc 6601 Harbor Town Dr, Houston 77036 | (713) 777-2200 |
| Air Filter Supply Co 340 S 66th St, Houston 77011 | (713) 926-7273 |
| American Filtration 908 Town And Country Blvd, Houston 77024 | (713) 984-7565 |
| Anco Environmental Systems Inc 822 Omar St, Houston 77009 | (713) 868-1202 |
| Consler Filtration Products 9010 Autauga St, Houston 77080 | (713) 934-9200 |
| Enterprise Filters 16840 Clay Rd # 117, Houston 77084 | (713) 688-0886 |
| Filter Services 4560 W 34th St, Houston 77092 | (713) 957-1873 |
| Filter Technology Co Inc 9018 Scranton St B, Houston 77075 | (713) 910-1395 |
| Filter Warehouse Co 6922 Alder Dr, Houston 77081 | (713) 432-7969 |
| Flo-Guard 6826 Lindbergh St, Houston 77087 | (713) 641-9811 |
| Glasefloss Industries Inc 1230 Hahlo St, Houston 77020 | (713) 675-3158 |
| H & B Air Filter Co 9305 Harwin Dr I, Houston 77036 | (713) 784-8061 |
| Hatfield & Co 11922 Cutten Rd, Houston 77066 | (281) 893-8870 |
| Koch Filter Corp 8801 Wallisville Rd, Houston 77029 | (713) 672-6550 |
| Murray Co 11167 Village Bend Ln, Houston 77072 | (281) 933-8209 |