| FFpo | Fenton | MI | 20–99 | ◐ LIKELY ACTIVE |
| FIFrameco, INC. | Salem | VA | — | ◐ LIKELY ACTIVE |
| FIFranco Industrial Supplies Corporation | Cranston | RI | — | ◐ LIKELY ACTIVE |
| FMFrankfort Midway | Midway | KY | 20–99 | ◐ LIKELY ACTIVE |
| FEFranklin Electric - Canby | Canby | OR | 100–499 | ◐ LIKELY ACTIVE |
| FEFranklin Electric - OKC2 | Oklahoma City | OK | 20–99 | ◐ LIKELY ACTIVE |
| FMFranklin Manufacturing | Russellville | AL | 20–99 | ◐ LIKELY ACTIVE |
| FWFranklin Water Treatment - Avon | Avon | IN | 100–499 | ◐ LIKELY ACTIVE |
| FWFranklin Water Treatment - Churubusco | Churubusco | IN | 20–99 | ◐ LIKELY ACTIVE |
| FWFranklin Water Treatment - Waunakee | Waunakee | WI | 20–99 | ◐ LIKELY ACTIVE |
| FMFrantz Machine Products Inc. | New Berlin | WI | 20–99 | ◐ LIKELY ACTIVE |
| FPFraser Precision Machining LLC | Pierce | CO | — | ▲ REPORTED CLOSED |
| FMFrederick Machine and Manufacturing | Buffalo | NY | 1–19 | ◐ LIKELY ACTIVE |
| FFFreedom Fab and Machining LLC | Alvin | TX | — | ◐ LIKELY ACTIVE |
| FMFreedom Medical and Marine Solutions LLC | Fort Myers | FL | — | ▲ REPORTED CLOSED |
| FMFreehold Manufacturing Assembly Company, INC. | Little Silver | NJ | — | ◐ LIKELY ACTIVE |
| FPFreeweight P.t. LLC | Lorain | OH | — | ▲ REPORTED CLOSED |
| FSFreight Segment Grove City Reman | Grove City | PA | 100–499 | ◐ LIKELY ACTIVE |
| FIFremar Industries | Brunswick | OH | 1–19 | ◐ LIKELY ACTIVE |
| FHFremont Heading Division | Fremont | IN | 20–99 | ◐ LIKELY ACTIVE |
| FHFremont Heat Treat Division | Fremont | IN | 20–99 | ◐ LIKELY ACTIVE |
| FAFresh Aire UV | Jupiter | FL | 20–99 | ◐ LIKELY ACTIVE |
| FCFresh Creative Foods | Vista | CA | 100–499 | ◐ LIKELY ACTIVE |
| FFFreudenberg Filtration Technologies - Best Air (Belvidere) | Belvidere | IL | 100–499 | ◐ LIKELY ACTIVE |
| FFFreudenberg Filtration Technologies - Best Air (Huntley) | Huntley | IL | 1–19 | ◐ LIKELY ACTIVE |
| FFFreudenberg Filtration Technologies - Best Air (Keyes Ave.) | Hampshire | IL | 20–99 | ◐ LIKELY ACTIVE |
| FFFreudenberg Filtration Technologies (Filters Now) Saraland, Alabama | Saraland | AL | 1–19 | ◐ LIKELY ACTIVE |
| FFFreudenberg Filtration Technologies - LaPorte, Indiana | La Porte | IN | 100–499 | ◐ LIKELY ACTIVE |
| FFFreudenberg Flow Technologies - Brittmoore | Houston | TX | 1–19 | ◐ LIKELY ACTIVE |
| FFFreudenberg Flow Technologies - Broken Arrow | Broken Arrow | OK | 20–99 | ◐ LIKELY ACTIVE |
| FFFreudenberg Flow Technologies-Brookriver | Houston | TX | 1–19 | ◐ LIKELY ACTIVE |
| FFFreudenberg Flow Technologies - Fallbrook Pines | Houston | TX | 20–99 | ◐ LIKELY ACTIVE |
| FFFreudenberg Flow Technologies - Midland | Midland | TX | 1–19 | ◐ LIKELY ACTIVE |
| FHFreudenberg Hopkinsville | Hopkinsville | KY | 100–499 | ◐ LIKELY ACTIVE |
| FMFreudenberg MTC | Freudenberg -NOK 19 Axle drive Northfield | NH | 20–99 | ◐ LIKELY ACTIVE |
| FNFreudenberg NOK | Necedah | WI | 20–99 | ◐ LIKELY ACTIVE |
| FFreudenberg-NOK | Plymouth | MI | 100–499 | ◐ LIKELY ACTIVE |
| FFreudenberg-NOK | Manchester | NH | 100–499 | ◐ LIKELY ACTIVE |
| FBFreudenberg-NOK - Bonded Piston Seals Application Center | Bristol | NH | 100–499 | ◐ LIKELY ACTIVE |
| FSFreudenberg-NOK Sealing Technologies | Northfield | NH | 100–499 | ◐ LIKELY ACTIVE |
| FSFreudenberg-NOK Sealing Technologies | Findlay | OH | 100–499 | ◐ LIKELY ACTIVE |
| FRFreudenberg Residential Filtration Technologies, Inc. (FRFT) - Pasadena, TX | Pasadena | TX | 100–499 | ◐ LIKELY ACTIVE |
| FRFreudenberg Residential Filtration Technologies, Inc. (FRFT) - Wellford, NC | Wellford | SC | 100–499 | ◐ LIKELY ACTIVE |
| FFridley | Fridley | MN | 20–99 | ◐ LIKELY ACTIVE |
| FMFrogtown Mfg LLC | Elmore | OH | — | ◐ LIKELY ACTIVE |
| FRFrom Rock Bottom to the Top Services LLC | Glencoe | NM | — | ◐ LIKELY ACTIVE |
| FAFronek Anchor / Darling Enterprises | Houston | TX | 1–19 | ◐ LIKELY ACTIVE |
| FFrontier | Hunington | WA | 1–19 | ◐ LIKELY ACTIVE |
| FRFront Range Engineering Company, LLC | Lafayette | CO | — | ◐ LIKELY ACTIVE |
| FSF S Compression CO LLC | Greensboro | NC | — | ◐ LIKELY ACTIVE |