| MRMaag Reduction | Kent | OH | Machinery Manufacturing333248 | 20-99 | ◐ LIKELY ACTIVE |
| MEMarley Engineered Products | Bennettsville | SC | Machinery Manufacturing333414 | 100-499 | ◐ LIKELY ACTIVE |
| MSMartin Sprocket and Gear, INC. | Paragould | AR | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
| MIMerrick Industries | Lynn Haven | FL | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
| MOMetalcraft of Mayville-beaver Dam | Beaver Dam | WI | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| MOMetalcraft of Mayville - Fall River | Fall River | WI | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
Midwest Metal Products INC | Winona | MN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| MMMill Masters, INC. | Jackson | TN | Fabricated Metal Product Manufacturing332997 | 20-99 | ◐ LIKELY ACTIVE |
Modine Manufacturing CO | Buena Vista | VA | Machinery Manufacturing333414 | 100-499 | ◐ LIKELY ACTIVE |
| MTMorgan Truck Body LLC (0285010292) | Orrville | OH | Machinery Manufacturing333120 | 100-499 | ◐ LIKELY ACTIVE |
| MEMoveero- Estherville | Estherville | IA | Machinery Manufacturing333111 | 20-99 | ◐ LIKELY ACTIVE |
| MPMtd Products | Verona | MS | Fabricated Metal Product Manufacturing332999 | 500+ | ◐ LIKELY ACTIVE |
| MPMtd Products INC (1652000085) | Valley City | OH | Machinery Manufacturing333112 | — | ◐ LIKELY ACTIVE |
| NGNord Gear CORP | Waunakee | WI | Machinery Manufacturing333248 | 100-499 | ◐ LIKELY ACTIVE |
| NENordson Efd LLC | East Providence | RI | Machinery Manufacturing333914 | — | ◐ LIKELY ACTIVE |
| NANorth American Hydraulic Excavation Facility | Victoria | TX | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
North Hartland Tool Corporation | North Hartland | VT | Machinery Manufacturing333514 | — | ◐ LIKELY ACTIVE |
| OCObara CORP USA | Erlanger | KY | Machinery Manufacturing333992 | 20-99 | ◐ LIKELY ACTIVE |
| OSOlympic Systems CORP | Winchester | MA | Fabricated Metal Product Manufacturing332721 | 20-99 | ◐ LIKELY ACTIVE |
| PAPaladin Attachments | Delhi | IA | Machinery Manufacturing333120 | 100-499 | ◐ LIKELY ACTIVE |
| PCPall Corporation | Deland | FL | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
| PPPeterson Pacific | Eugene | OR | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
Petit Tool CO. the | Thomaston | CT | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| PPPioneer Products | Racine | WI | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| PCPrecision Coils | Brownsville | TN | Machinery Manufacturing333415 | 100-499 | ◐ LIKELY ACTIVE |
| PPPrecision Pulley & Idler Inc-pella | Pella | IA | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| PMProcess Machinery INC. | Shelbyville | KY | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| PGPsg Grand Rapids (previously Blackmer, a Dover Co) | Grand Rapids | MI | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| PFPv Fluid Products | Houston | TX | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| RIRamrod Industries LLC | Spencer | WI | Machinery Manufacturing333995 | 20-99 | ◐ LIKELY ACTIVE |
| RIRexnord Industries LLC Gear Group | Milwaukee | WI | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| RTRidge Tool CO | Elyria | OH | Fabricated Metal Product Manufacturing332116 | 500+ | ◐ LIKELY ACTIVE |
| RIRitchie Industries INC. | Conrad | IA | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| SBSalford Bbi, INC. | Cornelia | GA | Machinery Manufacturing333111 | 20-99 | ◐ LIKELY ACTIVE |
| SMSanborn Mfg Div of Mat Industries LLC | Springfield | MN | Machinery Manufacturing333911 | 100-499 | ◐ LIKELY ACTIVE |
| STSchlumberger Technology | Houston | TX | Fabricated Metal Product Manufacturing332996 | 100-499 | ◐ LIKELY ACTIVE |
| S1Seabee - 1st St - Hampton Hydraulics | Hampton | IA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| SLSintermet LLC | Kittanning | PA | Fabricated Metal Product Manufacturing332117 | 20-99 | ◐ LIKELY ACTIVE |
| SCSmc Corporation of America | Noblesville | IN | Machinery Manufacturing333995 | 500+ | ◐ LIKELY ACTIVE |
| SPSnap-on Power Tools INC. | Murphy | NC | Fabricated Metal Product Manufacturing332212 | 100-499 | ◐ LIKELY ACTIVE |
| SCSoutheast Cooler | Lithia Springs | GA | Machinery Manufacturing333415 | 100-499 | ◐ LIKELY ACTIVE |
| SMSpecial Metals Welding Products Company | Newton | NC | Primary Metal Manufacturing331491 | 20-99 | ◐ LIKELY ACTIVE |
| SMStandard Motor Products | Greenville | SC | Machinery Manufacturing333911 | 100-499 | ◐ LIKELY ACTIVE |
| SCSundyne CORP | Arvada | CO | Machinery Manufacturing333911 | 100-499 | ◐ LIKELY ACTIVE |
| SDSuperior Diesel, INC. | Rhinelander | WI | Machinery Manufacturing333618 | 20-99 | ◐ LIKELY ACTIVE |
| SSSwenson Spreader CO | Lindenwood | IL | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| TATakako America CO INC | Hutchinson | KS | Fabricated Metal Product Manufacturing332212 | 100-499 | ◐ LIKELY ACTIVE |
| TATerex Advance Mixer INC | Fort Wayne | IN | Machinery Manufacturing333120 | 100-499 | ◐ LIKELY ACTIVE |
| TUTerex USA LLC | Newton | NH | Wood Product Manufacturing321219 | 20-99 | ◐ LIKELY ACTIVE |
| TLThe Lincoln Electric Company | Mentor | OH | Machinery Manufacturing333992 | 500+ | ◐ LIKELY ACTIVE |