| Type | Style | Company Name | Link |
|---|---|---|---|
| Odor Control | AAF International | http://www.aafintl.com | |
| Odor Control | Anguil Environmental Systems Inc. | http://www.anguil.com | |
| Odor Control | Duall Div., Met-Pro Corp. | http://www.dualldiv.com | |
| Precipitators | Electrostatic | United Air Specialists, Inc. | http://www.uasinc.com |
| Scrubbers | Delta Cooling Towers | http://www.deltacooling.com | |
| Strippers | Delta Cooling Towers | http://www.deltacooling.com | |
| Scrubbers | Fume | Air Plastics, Inc. | http://www.airplastics.com |