| NANorth American Recycling and Crushing LLC | Anaheim | CA | — | ◇ UNVERIFIED |
| NANorth American Recycling & Crushing, LLC. | Colton | CA | — | ◇ UNVERIFIED |
| NBNorth Bend Equipment LLC | Florence | KY | — | ◇ UNVERIFIED |
| NSNortheast Solite Corporation | Mount Marion | NY | — | ◇ UNVERIFIED |
| NSNorth Star Water Treatment Facility | Grass Valley | CA | — | ◇ UNVERIFIED |
| NENortrax Equipment Company INC. | Lutz | FL | — | ◇ UNVERIFIED |
| ONOil-dri North and South Plant | Ochlocknee | GA | — | ◇ UNVERIFIED |
| OTOil Technology INC | East Chicago | IN | — | ◇ UNVERIFIED |
| OVOmya Verpol Plant | Florence | VT | — | ◇ UNVERIFIED |
| ONO. Norheim Corporation | Douglassville | PA | — | ◇ UNVERIFIED |
| OPOn Point Construction Services, INC. | Dover | FL | — | ◇ UNVERIFIED |
| OMOpta Minerals Harseeville Plant | Hardeeville | SC | — | ◇ UNVERIFIED |
| ODOrion Drilling Company, LLC | Corpus Christi | TX | — | ◇ UNVERIFIED |
| OGOsborn General Engineering and Construction INC | Auburn | CA | — | ◇ UNVERIFIED |
| OCOshkosh Corporation | Orrville | OH | — | ◇ UNVERIFIED |
| OPOswego Public Works Department | Oswego | NY | — | ◇ UNVERIFIED |
| OCOzinga Cement Incorporated Contractor of Cleveland-cliffs Bu | Burns Harbor | IN | — | ◇ UNVERIFIED |
| OSOzinga Slag LLC | East Chicago | IN | — | ◇ 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 |
| PCPacific Custom Materials | Stockton | CA | — | ◇ UNVERIFIED |
| PEPacificorp Energy- Gadsby Power Plant | Salt Lake City | UT | — | ◇ UNVERIFIED |
| PAPaladin Attachments Ies LLC | Dexter | MI | — | ◇ UNVERIFIED |
| PVPalmetto Vermiculite | Woodruff | SC | — | ◇ UNVERIFIED |
| PMPalm Manufacturing and Sales | Grove City | MN | — | ◇ UNVERIFIED |
| PPPanther Products Corporation | Harrisonville | MO | — | ◇ UNVERIFIED |
| PMPape Material Handling INC. | Fremont | CA | — | ◇ UNVERIFIED |
| PUParex USA INC. | Riverside | CA | — | ◇ UNVERIFIED |
| PSPauls Station of Webster | Rochester | NY | — | ◇ UNVERIFIED |
| PRPayette Rock and Redimix LLC 00525 | Portable | ID | — | ◇ UNVERIFIED |
| PIPeak Innovations, Inc. | Fort Collins | CO | — | ◇ UNVERIFIED |
| PTPebble Technology International | Pearl River | LA | — | ◇ UNVERIFIED |
| PAPengo Attachments | Cokato | MN | — | ◇ UNVERIFIED |
| PRPenn Rock Aggregates | North Versailles | PA | — | ◇ UNVERIFIED |
| PSPennsy Supply Summit Sta/quarry Wayne Twp | Summit Station | PA | — | ◇ UNVERIFIED |
| PPPerlite Processing Plant | Fallon | NV | — | ◇ UNVERIFIED |
| PVPerlite Vermiculite Packaging Industries INC. | North Bloomfield | OH | — | ◇ UNVERIFIED |
| PEPetram Enterprises INC | Sheridan | OR | — | ◇ UNVERIFIED |
| PMPetroleum & Mining Hardmetals, INC. | Houston | TX | — | ◇ UNVERIFIED |
| PSPhoenix Services LLC | Roanoke | VA | — | ◇ UNVERIFIED |
| PPPierce Pacific Manufacturing | Portland | OR | — | ◇ UNVERIFIED |
| PKP K Manufacturing INC | Central Point | OR | — | ◇ UNVERIFIED |
| PIPlacerville Industries | Placerville | CA | — | ◇ UNVERIFIED |
| PEPoleset Equipment LLC | Prosperity | PA | — | ◇ UNVERIFIED |
| PAPortable Asphalt Plant (ct-93 | Platte County | WY | — | ◇ UNVERIFIED |
| PCPortable Concrete Batch Plant | Big Horn County | WY | — | ◇ UNVERIFIED |
| PCPortable Crushing Equipment ( | Carbon County | WY | — | ◇ UNVERIFIED |
| PPort-a-pour | Berthoud | CO | — | ◇ UNVERIFIED |