| 1 | Phelps Fan LLC | | USA |
| 2 | Acme Engineering & Manufacturing Corp. | | USA |
| 3 | Super Vacuum Mfg. Co. Inc. | | USA |
| 4 | Tantaline | | USA |
| 5 | Bayliss Machine & Welding Co. LLP | | USA |
| 6 | M.K. Plastics Corporation | | USA |
| 7 | Hibon Inc. | | USA |
| 8 | ProcessBarron | | USA |
| 9 | Sealcoat Air Pollution Control | | USA |
| 10 | Barron Industries Inc. | | USA |
| 11 | AMETEK Dynamic Fluid Solutions | | USA |
| 12 | Exair Corporation | | USA |
| 13 | AirPro Fan & Blower Company | | USA |
| 14 | Aerzen Turbo Division | | USA |
| 15 | Hemco Corp. | | USA |
| 16 | Airmaster Fan Co. | | USA |
| 17 | CustomAire Products Barco LLC | | USA |
| 18 | Central Blower Co. | | USA |
| 19 | Airex Industries | | USA |
| 20 | Thibado Inc. | | USA |
| 21 | United Blower Inc. | | USA |
| 22 | Corr Tech Inc. | | USA |
| 23 | Sonic Air Systems Inc. | | USA |
| 24 | Cincinnati Fan | | USA |
| 25 | Robinson Fans Inc. | | USA |
| 26 | Electric Trading Company | | USA |
| 27 | The Spencer Turbine Company | | USA |
| 28 | Kerr Pump & Supply | | USA |
| 29 | Industrial Gas Engineering Co. Inc. | | USA |
| 30 | Daltec Fans | | USA |
| 31 | Hartzell Air Movement | | USA |
| 32 | Howden North America | | USA |
| 33 | Continental Blower LLC | | USA |
| 34 | Ultraflo Systems Inc | | USA |
| 35 | United Blower Co. LLC | | USA |