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Systech Design INC. | Exton | PA | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
Tracs Manufacturing, LLC | Rockledge | FL | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
| AAaf-bartow | Bartow | FL | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
| AFAAF Flanders Oklahoma | Ardmore | OK | Machinery Manufacturing333413 | 100-499 | ◐ LIKELY ACTIVE |
| AFAir Filtration Company | Corydon | IA | Machinery Manufacturing333411 | 20-99 | ◐ LIKELY ACTIVE |
| AFAirmaster Fan Company | Clarklake | MI | Machinery Manufacturing333412 | 20-99 | ◐ LIKELY ACTIVE |
| AFAirPro Fan & Blower co. -SOUTH | Rhinelander | WI | Machinery Manufacturing333413 | 1-19 | ◐ LIKELY ACTIVE |
| AQAir Quality Engineering, Inc. | Minneapolis | MN | Machinery Manufacturing333412 | 20-99 | ◐ LIKELY ACTIVE |
| AAAmerican Aldes Ventilation Corporation | Bradenton | FL | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
| ACAmerican Coolair CORP | Jacksonville | FL | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
| AWAndritz Western Pneumatics - Ruston | Ruston | LA | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| BFBarron Fan Technology, INC. | Alabaster | AL | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
| BEBrownlee-morrow Engineering CO INC | Birmingham | AL | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
| CACamfil Apc | Jonesboro | AR | Fabricated Metal Product Manufacturing332999 | 100-499 | ◐ LIKELY ACTIVE |
| CCCs Clean Solutions INC. | Phoenix | AZ | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
| E1ebmpapst 100 | Farmington | CT | Machinery Manufacturing333413 | 100-499 | ◐ LIKELY ACTIVE |
| ETebmpapst TN | Telford | TN | Machinery Manufacturing333412 | 100-499 | ◐ LIKELY ACTIVE |
| EBExcelsior Brass Works | Blandon | PA | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
Filtration Group | York | SC | Textile Mills313110 | 100-499 | ◐ LIKELY ACTIVE |
Filtration Group LLC | Santa Rosa | CA | Machinery Manufacturing333411 | 20-99 | ◐ LIKELY ACTIVE |
| IVIndustrial Ventilation, Inc. - NA | Nampa | ID | Machinery Manufacturing333413 | 20-99 | ◐ LIKELY ACTIVE |
| INIqair North America, INC. | La Mirada | CA | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
| KIKeltec INC | Twinsburg | OH | Machinery Manufacturing333413 | 100-499 | ◐ LIKELY ACTIVE |
| LILarkin Industries, INC. | Birmingham | AL | Machinery Manufacturing333413 | 20-99 | ◐ LIKELY ACTIVE |
| MAMcgill Airclean LLC | Columbus | OH | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| MKMd Kinney | Springfield | MO | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
| MEMonroe Environmental CORP | Monroe | MI | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| MPMorrison Products Dallas | Mesquite | TX | Machinery Manufacturing333412 | 100-499 | ◐ LIKELY ACTIVE |
| NFNorthland Filter International LLC | Oswego | NY | Machinery Manufacturing333413 | 20-99 | ◐ LIKELY ACTIVE |
| PCPollution Control INC. | Hampton | AR | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
| PSPollution System Solutions INC | Oak Ridge North | TX | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
| RFRobinson Fans Florida | Lakeland | FL | Machinery Manufacturing333412 | 20-99 | ◐ LIKELY ACTIVE |
| SCScfm Corporation | Anaheim | CA | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
| SMSolberg Manufacturing INC. | Itasca | IL | Machinery Manufacturing333413 | 100-499 | ◐ LIKELY ACTIVE |
The New York Blower Company | Leitchfield | KY | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
| TATrion - ASC | Sanford | NC | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| TCTwin City Fan Companies LTD. | Brookings | SD | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
| TCTwin City Fan Companies: Plymouth | Minneapolis | MN | Machinery Manufacturing333413 | 100-499 | ◐ LIKELY ACTIVE |
| WWWm W Nugent & CO INC | Skokie | IL | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| ALAaf Louisville Cartridge Plant | Louisville | KY | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
| CFCincinnati Fan and Ventilator Company | Mason | OH | Machinery Manufacturing333412 | — | ◐ LIKELY ACTIVE |
| CSCoalogix Scr-tech | Charlotte | NC | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
Greenheck Fan CORP | Schofield | WI | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
Greenheck Fan CORP | Tulsa | OK | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
Greenheck Fan CORP | Schofield | WI | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
Greenheck Fan CORP. Kentucky | Frankfort | KY | Machinery Manufacturing333412 | — | ◐ LIKELY ACTIVE |
Greenheck Fan Corporation - Facility 18 | Schofield | WI | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
Hartzell Fan INC - S. Main Piqua | Piqua | OH | Machinery Manufacturing333412 | — | ◐ LIKELY ACTIVE |
| IUIfil USA | Harrisonville | MO | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |