| MDMedical Division | Columbia City | IN | Machinery Manufacturing333515 | 1-19 | ◐ LIKELY ACTIVE |
| MTMelin Tool Company | Cleveland | OH | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| MMi02-act-warren | Warren | MI | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| MAMi06-sa-spring Arbor | Spring Arbor Twp | MI | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| MIMicro-LAM, Inc. | Portage | MI | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| MFMid-west Feeder, INC. | Belvidere | IL | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |
| MRMidwest Rescue Tools LLC | Milton | WI | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |
| MTMinnesota Twist Drill | Chisholm | MN | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| MSMisenheimer Saw & Tool, INC. | Morristown | TN | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |
| MSMorehead Solutions LLC | Weatherford | TX | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |
| MTMP Tool & Engineering Company | Roseville | MI | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| NTNachi Tool America Inc. | Greenwood | IN | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| NBNational Blanking | Toledo | OH | Machinery Manufacturing333515 | 1-19 | ◐ LIKELY ACTIVE |
| NMNew Market | New Market | VA | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| NANh90 Ametek Ultra Precision Technologies | Keene | NH | Machinery Manufacturing333515 | 100-499 | ◐ LIKELY ACTIVE |
| NCNiagara Cutter, LLC | Reynoldsville | PA | Machinery Manufacturing333515 | 100-499 | ◐ LIKELY ACTIVE |
| NTNorthern Tool Sales & Service Co. | Farmington Hills | MI | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| NNy03-uti-utica | Chadwicks | NY | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| OOh11-cin-cincinnati | Cincinnati | OH | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| ODOhio Drill and Tool Company | Homeworth | OH | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| OTO.Keller Tool Engineering | Livonia | MI | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| OMOlympian Machine | Gray | LA | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| OOrwell | Orwell | OH | Machinery Manufacturing333515 | 100-499 | ◐ LIKELY ACTIVE |
| OUOSG USA, Inc Bensenville | Bensenville | IL | Machinery Manufacturing333515 | 100-499 | ◐ LIKELY ACTIVE |
| OUOSG USA, Inc California | Placentia | CA | Machinery Manufacturing333515 | 1-19 | ◐ LIKELY ACTIVE |
| OUOSG USA, Inc St. Charles | St. Charles | IL | Machinery Manufacturing333515 | 100-499 | ◐ LIKELY ACTIVE |
| PUPersico USA, Inc | Shelby Twp. | MI | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| PUPersico USA, Inc | Shelby Twp | MI | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| PPPilot Precision Products, LLC | South Deerifeld | MA | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| PIPositrol, INC. | Cincinnati | OH | Machinery Manufacturing333515 | — | ▲ REPORTED CLOSED |
| PMPragmatic Manufacturing, LLC | Brunswick | OH | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |
| PBPrecision Builders LLC | Anasco | PR | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |
| RTRB Tool and Manufacturing | Cincinnati | OH | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| RGReliance Gear Corporation | Elmhurst | IL | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |
| RSRepresentative Sales & Service, INC | Overland Park | KS | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |
| RMRepublic Machinery CO INC | Harbor City | CA | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |
| RCRockford CTSC | Rockford | IL | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| RTRockford TEC | Rockford | IL | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| RHRock Hill Plant | Rock Hill | SC | Plastics and Rubber Products Manufacturing326112 | 20-99 | ◐ LIKELY ACTIVE |
| RMRocky Mountain Twist Corp | Ronan | MT | Machinery Manufacturing333515 | 100-499 | ◐ LIKELY ACTIVE |
| RRogers | Rogers | AR | Machinery Manufacturing333515 | 100-499 | ◐ LIKELY ACTIVE |
| RMRush Machinery, INC. | Rushville | NY | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |
| RWR. W. MFG. & Const. CO., INC., dba R. W. MFG. CO., INC. | Stuttgart | AR | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
Sandvik Machining Solutions USA LLC - Mebane PU | Mebane | NC | Machinery Manufacturing333515 | 100-499 | ◐ LIKELY ACTIVE |
| SASCG Acquisition Company, LLC | Elkhart | IN | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| SSSecant Six, INC. | North Hollywood | CA | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |
| SASMW Autoblok Corp. | Wheeling | IL | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| SCSmw-autoblok Corporation | Wheeling | IL | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |
| SSolon | Solon | OH | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| SHSouth Holland Plant | South Holland | IL | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |