| MCMacarthur Company | Sumner | WA | — | ◇ UNVERIFIED |
| MMMack Mfg INC | Theodore | AL | — | ◇ UNVERIFIED |
| MEMaguire Equipment INC | Hyde Park | MA | — | ◇ UNVERIFIED |
| MNManitou North America LLC | West Bend | WI | — | ◇ UNVERIFIED |
| MRManitowac Remanufacturing, INC. | Bauxite | AR | — | ◇ UNVERIFIED |
| MCManitowoc Cranes | Port Washington | WI | — | ◇ UNVERIFIED |
| MMMarlee MFG, Inc | Rochester | NY | — | ◇ UNVERIFIED |
| MEMaster Excavators, INC. | Pompano Beach | FL | — | ◇ UNVERIFIED |
 Material Handling Systems, INC. | Middletown | CT | — | ◇ UNVERIFIED |
| MCMaxim Crane Works, LP | Beaumont | TX | — | ◇ UNVERIFIED |
| MBMayhew Bestway LLC | Ormond Beach | FL | — | ◇ UNVERIFIED |
 M-b Companies INC | Salem | OR | — | ◇ UNVERIFIED |
| MIMbw INC. | Slinger | WI | — | ◇ UNVERIFIED |
| MCMcdonough Construction Rentals INC | Tampa | FL | — | ◇ UNVERIFIED |
| MAMcelroy and Wilken | Kalispell | MT | — | ◇ UNVERIFIED |
| MTMcneilus Truck - Manufacturing INC | Dodge Center | MN | — | ◇ UNVERIFIED |
| MTMcneilus Truck & Mfg INC | Villa Rica | GA | — | ◇ UNVERIFIED |
| MLMed-Co L.L.C. | Federal Way | WA | — | ◇ UNVERIFIED |
| MCMellott Co/warfordsburg Mfg Fac | Warfordsburg | PA | — | ◇ UNVERIFIED |
| MGMesa General Engineering INC | Corona | CA | — | ◇ UNVERIFIED |
| MGMesa General Engineering INC | Castaic | CA | — | ◇ UNVERIFIED |
| MCMetzger Construction Company INC | Boonville | IN | — | ◇ UNVERIFIED |
| MCMeuth Construction Supply INC | Morganfield | KY | — | ◇ UNVERIFIED |
| MPMeyer Products LLC (1318001982) | Cleveland | OH | — | ◇ UNVERIFIED |
| MRMichael Runk, Pamela Runk, Duane Runk Excavating | Broad Top | PA | — | ◇ UNVERIFIED |
 M.i.c. Industries, INC. | Winchester | VA | — | ◇ UNVERIFIED |
| MAMid America Trenchers LLC | Dexter | IA | — | ◇ UNVERIFIED |
| MTMiller Trucking & Excavating | Carbon Cliff | IL | — | ◇ UNVERIFIED |
| MWMountain West Crushing Plant | Natrona | WY | — | ◇ UNVERIFIED |
| MCMrl Constructors of N.y., INC. | Niagara Falls | NY | — | ◇ UNVERIFIED |
| MJMud Jack King | Kansas City | MO | — | ◇ UNVERIFIED |
| MLMurray Lane Trust | Athol | MA | — | ◇ UNVERIFIED |
| NMNc Machinery Company | Anchorage | AK | — | ◇ UNVERIFIED |
| NENeroco Engineering | Oconto | WI | — | ◇ UNVERIFIED |
| NWNevada Water Trucks | Las Vegas | NV | — | ◇ UNVERIFIED |
| NLNext Level Construction Services | Temecula | CA | — | ◇ UNVERIFIED |
| NCNichols Concrete Holdings, LLC - Pelham Plant | Pelham | AL | — | ◇ UNVERIFIED |
| NCNoble Construction Equipment INC | Lubbock | TX | — | ◇ UNVERIFIED |
| NBNorth Bend Equipment LLC | Florence | KY | — | ◇ UNVERIFIED |
| NENortrax Equipment Company INC. | Lutz | FL | — | ◇ UNVERIFIED |
| ONO. Norheim Corporation | Douglassville | PA | — | ◇ UNVERIFIED |
| OPOn Point Construction Services, INC. | Dover | FL | — | ◇ UNVERIFIED |
| ODOrion Drilling Company, LLC | Corpus Christi | TX | — | ◇ UNVERIFIED |
| OGOsborn General Engineering and Construction INC | Auburn | CA | — | ◇ UNVERIFIED |
| OCOshkosh Corporation | Orrville | OH | — | ◇ UNVERIFIED |
| PLPacal LLC | Roseville | MN | — | ◇ UNVERIFIED |
| PEPace Engineering INC. | Willoughby | OH | — | ◇ UNVERIFIED |
| PAPacific Award Metals, INC. | Denver | CO | — | ◇ UNVERIFIED |
| PCPacific Clay Products INC | Lake Elsinore | CA | — | ◇ UNVERIFIED |
| PEPacificorp Energy- Gadsby Power Plant | Salt Lake City | UT | — | ◇ UNVERIFIED |
