| MLMajimetal LLC | Oakley | CA | — | ◇ UNVERIFIED |
| MMMak Metals INC | Dallas | OR | — | ◇ UNVERIFIED |
| MPManufacturing Partners INC | Becker | MN | — | ◇ UNVERIFIED |
| MIMap Industries, INC. | Clarksville | TN | — | ◇ UNVERIFIED |
| MIMarathon Industries INC | Lancaster | CA | — | ◇ UNVERIFIED |
| MSMark-k Specialized Manufacturing, INC. | Oklahoma City | OK | — | ◇ UNVERIFIED |
| MMMartel's Machine Shop INC. | Odessa | TX | — | ◇ UNVERIFIED |
| MMMartin Manufacturing INC | Adrian | OR | — | ◇ UNVERIFIED |
| MMMason Motorsports INC | Lake Elsinore | CA | — | ◇ UNVERIFIED |
| MMMatzel Manufacturing, INC. | Milwaukee | WI | — | ◇ UNVERIFIED |
| MPMax Process Equipment Global LLC | Healdsburg | CA | — | ◇ UNVERIFIED |
| MJMaya Jig Grinding & Gage CO INC | Farmington Hills | MI | — | ◇ UNVERIFIED |
| MSMcarthur Sheet Metal Works Company | South Sioux City | NE | — | ◇ UNVERIFIED |
| MSMccallum Surfboards | National City | CA | — | ◇ UNVERIFIED |
| MMMc Metalfab INC | Lino Lakes | MN | — | ◇ UNVERIFIED |
| MIMedco, INC. | Des Plaines | IL | — | ◇ UNVERIFIED |
| MMMelrose Metalworks INC | Melrose | MN | — | ◇ UNVERIFIED |
| MMMendell Machine - Manufacturing INC | Lakeville | MN | — | ◇ UNVERIFIED |
| MCMetal Coating - Mfg CO INC | Isanti | MN | — | ◇ UNVERIFIED |
| MFMetalcraft Fabrication INC | Portland | OR | — | ◇ UNVERIFIED |
| MTMetalcraft Technologies, INC. | Cedar City | UT | — | ◇ UNVERIFIED |
| MIMetal Integrity LLC | Carbondale | PA | — | ◇ UNVERIFIED |
| MAMichael a Slama INC | Portland | OR | — | ◇ UNVERIFIED |
| MLMicro-fab LLC | Minneapolis | MN | — | ◇ UNVERIFIED |
| MMMicron Metalworks | Ham Lake | MN | — | ◇ UNVERIFIED |
| MEMidland Equipment CO | Lakeville | MN | — | ◇ UNVERIFIED |
| MMMid-point Machine, INC. | Glenbeulah | WI | — | ◇ UNVERIFIED |
| MCMiniature Custom Manufacturing | Vicksburg | MI | — | ◇ UNVERIFIED |
| MTMinnesota Tool - Die Works INC | Anoka | MN | — | ◇ UNVERIFIED |
| MVMission Viejo Ornamental Iron, INC. | Rancho Santa Margarita | CA | — | ◇ UNVERIFIED |
| MEMissouri Equipment Company | Saint Louis | MO | — | ◇ UNVERIFIED |
| MFMj&h Fabrication INC. | Ponca City | OK | — | ◇ UNVERIFIED |
| MPMmi Precision LLC | Ramsey | MN | — | ◇ UNVERIFIED |
| MTModified Tool INC | Emily | MN | — | ◇ UNVERIFIED |
| MMMohan Machining & Manufacturing INC | Sacramento | CA | — | ◇ UNVERIFIED |
| MCMold Craft INC | Willernie | MN | — | ◇ UNVERIFIED |
| MBMonterey Bay Rebar, INC. | Watsonville | CA | — | ◇ UNVERIFIED |
| MAMoody & Associates INC | Watertown | TN | — | ◇ UNVERIFIED |
| MCMoon Cutter CO. INC. | Hamden | CT | — | ◇ UNVERIFIED |
| MAMorgan Aerospace LLC | Arlington | WA | — | ◇ UNVERIFIED |
| MTMrg Tool and Die Corporation | Faribault | MN | — | ◇ UNVERIFIED |
| MMM&r Manufacturing, LLC | Houston | TX | — | ◇ UNVERIFIED |
| MMMueller Machine INC | Maple Grove | MN | — | ◇ UNVERIFIED |
| MTMuller Tool, INC. | Buffalo | NY | — | ◇ UNVERIFIED |
| MCMursix Corporation | Yorktown | IN | — | ◇ UNVERIFIED |
| MTMuv-all Trailer Company | Saint Martin | MN | — | ◇ UNVERIFIED |
| MSMwd Steel Fabrication | Lincoln | NE | — | ◇ UNVERIFIED |
| NPNational Precision Machining & Engineering INC | Sebeka | MN | — | ◇ UNVERIFIED |
| NSNational Signal, INC | Fullerton | CA | — | ◇ UNVERIFIED |
| NGNelson Grinding | Fullerton | CA | — | ◇ UNVERIFIED |
 Nelson Numeric INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| NPNevada Precision Sheet Metal, INC. | Las Vegas | NV | — | ◇ UNVERIFIED |
| NMNevarez Machining INC | San Jose | CA | — | ◇ UNVERIFIED |
| NCNew Com Metal Products CORP | Randolph | MA | — | ◇ UNVERIFIED |
| NHNew Hampshire Precision Fabricators INC. | Londonderry | NH | — | ◇ UNVERIFIED |
| NMN M Machining | San Jose | CA | — | ◇ UNVERIFIED |
| NPNorco Precision INC | Maple Grove | MN | — | ◇ UNVERIFIED |
 Nordic Components INC | Hutchinson | MN | — | ◇ UNVERIFIED |
| NLNorfil LLC | Pacific | WA | — | ◇ UNVERIFIED |
| NCNorth Country Wind Bells INC. | Round Pond | ME | — | ◇ UNVERIFIED |
| NCNorthland Castings Corporation | Hart | MI | — | ◇ UNVERIFIED |
| NMNorthport Marine, LLC | Gillett | WI | — | ◇ UNVERIFIED |
| NTNorth Topeka Fabrication, LLC | Topeka | KS | — | ◇ UNVERIFIED |
| NPNorthwest Precision INC | Sumner | WA | — | ◇ UNVERIFIED |
| NENyhus Enterprises LLC | Chippewa Falls | WI | — | ◇ UNVERIFIED |
| OPOakdale Precision INC | Oakdale | MN | — | ◇ UNVERIFIED |
| OWOehlers Welding and Fabrication, INC. | Buffalo | NY | — | ◇ UNVERIFIED |
| OMOffload Manufacturing Company | Milford | CT | — | ◇ UNVERIFIED |
| OTOlander Tooling of Staples LLC | Staples | MN | — | ◇ UNVERIFIED |
| OCOmohundro Company | Port Orchard | WA | — | ◇ UNVERIFIED |
| OCOmw Corporation | Petaluma | CA | — | ◇ UNVERIFIED |
| OEOnex Enterprises CORP | Duarte | CA | — | ◇ UNVERIFIED |
| OMOros Mfg. | Los Angeles | CA | — | ◇ UNVERIFIED |
| OSO-r Systems LTD. | Brookpark | OH | — | ◇ UNVERIFIED |
| OSOscar S Field INC | Ashland | VA | — | ◇ UNVERIFIED |
| OMOverkill Motorsports, INC. | Dallas | TX | — | ◇ UNVERIFIED |
| PEPace Engineering INC. | Willoughby | OH | — | ◇ UNVERIFIED |
| PAPacific Alloy Castings INC | South Gate | CA | — | ◇ UNVERIFIED |
| PGPacific Gear Technology, INC. | Norco | CA | — | ◇ UNVERIFIED |
| PSPackaging Specialties INC | Newburyport | MA | — | ◇ UNVERIFIED |
| PMParadis Metalworks LLC | Attleboro Falls | MA | — | ◇ UNVERIFIED |
| PTParagon Tools INC | Logan | UT | — | ◇ UNVERIFIED |
| PPParamount Products CO INC | Brick Town | NJ | — | ◇ UNVERIFIED |
| PKParkway Kew CORP | North Brunswick Twp | NJ | — | ◇ UNVERIFIED |
| PCPassive Components - Laser Works INC | Becker | MN | — | ◇ UNVERIFIED |
| PMPerbix Machine CO INC | Golden Valley | MN | — | ◇ UNVERIFIED |
| PPPersonal Performance Med CORP | Salt Lake City | UT | — | ◇ UNVERIFIED |
| PAPfi Advanced Equipment Manufacturing, LLC | Mohnton | PA | — | ◇ UNVERIFIED |
| PEPhenix Enterprises INC | Pomona | CA | — | ◇ UNVERIFIED |
| PPPhoenix Products INC | Mckee | KY | — | ◇ UNVERIFIED |
| PIPierce Industries LLC | Rochester | NY | — | ◇ UNVERIFIED |
 Pinnacle Precision Company, INC. | Glassport | PA | — | ◇ UNVERIFIED |
| POPi Optima INC | Zeeland | MI | — | ◇ UNVERIFIED |
| PCPivot Corporation | Canton | GA | — | ◇ UNVERIFIED |
| PWPlacer Water Works | Olivehurst | CA | — | ◇ UNVERIFIED |
| PTPlasco Tooling & Engineering LLC | Romeo | MI | — | ◇ UNVERIFIED |
| PAPlateworks Acquisition Limited Dba Plateworks INC | Anoka | MN | — | ◇ UNVERIFIED |
| PPPlatinum Performance INC | Buellton | CA | — | ◇ UNVERIFIED |
| POPlenums of Florida INC | Pinellas Park | FL | — | ◇ UNVERIFIED |
| PTPolich Tallix INC. | Walden | NY | — | ◇ UNVERIFIED |
