| Business | Phone |
| Aero-Hydro Systems Inc 12011 Huebner Rd 100, San Antonio 78230 | (210) 690-5226 |
| Bisco Air Systems 9743 Cobb St, San Antonio 78217 | (210) 590-7955 |
| Hsp Environmental Ih 10 W & Callaghanamp;, San Antonio 78216 | (210) 342-6243 |
| Pure Air Filter Co Inc 4743 Whirlwind St, San Antonio 78217 | (210) 656-3099 |
| Safe Air Systems Intl 10930 Wye St 104, San Antonio 78217 | (210) 599-3601 |
| Alamo Freedom Enterprises 21111 El Suelo Bueno, San Antonio 78258 | (210) 497-5900 |
| Alpine Air San Antonio 78238 | (210) 520-7771 |
| Air & Water Purification Systs Po Box 790154, San Antonio 78279 | (210) 445-5717 |
| Kinetico Quality Water Systems of San Antonio 15555 Tradesman #200, San Antonio 78249 | (210) 656-7873 |