| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | Envirco Corp. | USA | |
| 2 | The Birdwell Co. | USA | |
| 3 | Liberty Industries Inc. | USA | |
| 4 | Clean Liquid Systems | USA | |
| 5 | Spiral Manufacturing Co. Inc. | USA | |
| 6 | Thomas Scientific LLC | USA | |
| 7 | Safe Air Technology | USA | |
| 8 | Filpro Corp. | USA | |
| 9 | Hemco Corp. | USA | |
| 10 | CleanZones LLC | USA | |
| 11 | Gardner Denver Inc. | USA | |
| 12 | Terra Universal Inc. | USA | |
| 13 | Clean Air Technology Inc. | USA | |
| 14 | TES Clean Air Systems | USA | |
| 15 | Wayne Products Inc. | USA | |
| 16 | Tecnoplast USA LLC | USA | |
| 17 | Quality Filters Inc. | USA | |
| 18 | Daltec Fans | USA | |
| 19 | Clean Room Depot Inc. | USA | |
| 20 | Dynamic Filtration Ltd. | USA | |
| 21 | Continental Blower LLC | USA | |
| 22 | Atlantic Blowers | USA | |
| 23 | Class One Technology | USA | |
| 24 | Consler Filtration Products | USA | |
| 25 | Kooltronic of California Inc. | USA | |
| 26 | AFX Manufacturing | USA | |
| 27 | Air System Components Inc. | USA |
