| 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 |
| PEPower Equipment Company | Denver | CO | — | ◇ UNVERIFIED |
| PSPrecise Services West | Corona | CA | — | ◇ UNVERIFIED |
| PSPreferred Sands of Minnesota LLC | Woodbury | MN | — | ◇ UNVERIFIED |
| PGPrestige Gunite By Adams INC | San Jose | CA | — | ◇ UNVERIFIED |
| PRPrimoris Renewable Energy | Desert Center | CA | — | ◇ UNVERIFIED |
| PBPrins Brothers Enterprises LLC | Polk City | FL | — | ◇ UNVERIFIED |
| PLPro-dig, LLC | Wathena | KS | — | ◇ UNVERIFIED |
| PSPugmill Systems, INC. | Columbia | TN | — | ◇ UNVERIFIED |
| PIPutzmeister INC | Sturtevant | WI | — | ◇ UNVERIFIED |
| PIPvp Industries INC. | North Bloomfield | OH | — | ◇ UNVERIFIED |
| QCQuality Construction Clean-up, Inc. | Sacramento | CA | — | ◇ UNVERIFIED |
| QMQuik Manufacturing CO | Fountain Valley | CA | — | ◇ UNVERIFIED |
| RERamrock Environmental | Stockton | CA | — | ◇ UNVERIFIED |
| RURandstad USA | Bismarck | ND | — | ◇ UNVERIFIED |
| RCRaveling Companies, LLC | Clear Lake | WI | — | ◇ UNVERIFIED |
| RORd Olson Mfg | Kelso | WA | — | ◇ UNVERIFIED |
| RRe-183 | Laramie County | WY | — | ◇ UNVERIFIED |
| RBRecology Blossom Valley Organics - South | Lamont | CA | — | ◇ UNVERIFIED |
| RARecycled Aggregate Materials Company INC | Sun Valley | CA | — | ◇ UNVERIFIED |
| RIRedco Ii | North Hollywood | CA | — | ◇ UNVERIFIED |
| RRReflective Recycling of Sc LLC | Pacolet | SC | — | ◇ UNVERIFIED |
| RDRev Drill Sales & Rentals, Inc. | Frederick | MD | — | ◇ UNVERIFIED |
| RIReynolds Industries INC | Tega Cay | SC | — | ◇ UNVERIFIED |
| RMRight Mfg Systems, INC. | Lindon | UT | — | ◇ UNVERIFIED |
| RPRing Power Corporation | Riverview | FL | — | ◇ UNVERIFIED |
| RMRinker Materials | Madison | CA | — | ◇ UNVERIFIED |
| RMRisever Machinery LLC | Jonesboro | AR | — | ◇ UNVERIFIED |
| RPRmc Pacific Materials Inc, a D | San Francisco | CA | — | ◇ UNVERIFIED |
| RIRm Industrials - Rm Rail Park Recycle Op | Aurora | CO | — | ◇ UNVERIFIED |
| RIRm Industries, INC. | Kansas City | KS | — | ◇ UNVERIFIED |
| RHRoad Hog INC | Brownsburg | IN | — | ◇ UNVERIFIED |
| RRRoad Restoration Project | Conyngham, Township of | PA | — | ◇ UNVERIFIED |
| RIRoadtec, INC. (manufacturers Road Plant) | Chattanooga | TN | — | ◇ UNVERIFIED |
| RRobbins | Solon | OH | — | ◇ UNVERIFIED |
| RPRobert Phelan | Santa Maria | CA | — | ◇ UNVERIFIED |
| RIRoss Island Hardtack Island Plant | Portland | OR | — | ◇ UNVERIFIED |
| RTRoyal Truck & Equipment INC. | Shoemakersville | PA | — | ◇ UNVERIFIED |
| SPSac Pool Pros | Sacramento | CA | — | ◇ UNVERIFIED |
| SPSaint-gobain Proppants (lr) | Benton | AR | — | ◇ UNVERIFIED |
| SBSanders Brothers Construction Company | Charlotte | NC | — | ◇ UNVERIFIED |
| SMSandvik Mining & Construction | Smyria | GA | — | ◇ UNVERIFIED |
| SASany America, INC. | Peachtree City | GA | — | ◇ UNVERIFIED |
| SSasco | Woodinville | WA | — | ◇ UNVERIFIED |
| STSchlumberger Technology Corporation | Henderson | CO | — | ◇ UNVERIFIED |
| SASchwing America INC | White Bear Lake | MN | — | ◇ UNVERIFIED |
| SEScott Equipment- Sfs | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| SISeaberg Industries, INC. | Davenport | IA | — | ◇ UNVERIFIED |
| SPSGA Properties, LLC | Livonia | MI | — | ◇ UNVERIFIED |
| SCSgl Carbon, LLC | Saint Marys | PA | — | ◇ UNVERIFIED |
| SSShamrock Steel Fabricators INC | Eugene | OR | — | ◇ UNVERIFIED |
