| NONational Oilwell Varco | Houston | TX | — | ◇ UNVERIFIED |
| NONational Oilwell Varco, L.p. | Dayton | TX | — | ◇ UNVERIFIED |
| NONational Oilwell Varco LP - Mobile Rigs / National Oilwell | Lindsay | OK | — | ◇ UNVERIFIED |
| NONational Oilwell Varco LP / Nov Oklahoma City Rig Offshore | Oklahoma City | OK | — | ◇ UNVERIFIED |
| NONational Oilwell Varco LP - Rs Venture Houma | Houma | LA | — | ◇ UNVERIFIED |
| NWNevada Water Trucks | Las Vegas | NV | — | ◇ UNVERIFIED |
| NANew Age Graphics | Irvine | CA | — | ◇ UNVERIFIED |
| NLNext Level Construction Services | Temecula | CA | — | ◇ UNVERIFIED |
| NRNg Resources Corportation | Midland | TX | — | ◇ UNVERIFIED |
| NBNoble Blackhawk | Houston | TX | — | ◇ UNVERIFIED |
| NPNorris Production Solutions | Shafter | CA | — | ◇ UNVERIFIED |
| NNov | Orange | CA | — | ◇ UNVERIFIED |
| NFNov Fgs L.p. Mineral Wells | Mineral Wells | TX | — | ◇ UNVERIFIED |
| NMNov Mission Products Oregon Street | Odessa | TX | — | ◇ UNVERIFIED |
| NRNov Rig Solutions Brittmoore Repair Center | Houston | TX | — | ◇ UNVERIFIED |
| NRNov Rig Systems Sam Houston Parkway | Houston | TX | — | ◇ UNVERIFIED |
| NWNov Wilco | Marlow | OK | — | ◇ UNVERIFIED |
| NWNov Wise Breen Drive | Houston | TX | — | ◇ UNVERIFIED |
| OIOderco INC. | Liberty | TX | — | ◇ UNVERIFIED |
| OPOdessa Pumps & Equipment INC. | Asherton | TX | — | ◇ UNVERIFIED |
| OOODIN Oilfield Solutions | Cypress | TX | — | ◇ UNVERIFIED |
| OMO&g Manufacturing LLC | Skiatook | OK | — | ◇ UNVERIFIED |
| ODOilfield Die Manufacturing Co | Lafayette | LA | — | ◇ UNVERIFIED |
| OEOilfield Equipment & Manufacturing, INC. | Shawnee | OK | — | ◇ UNVERIFIED |
| OSOil States Energy Services | Tyler | TX | — | ◇ UNVERIFIED |
| OSOil States Industries | Arlington | TX | — | ◇ UNVERIFIED |
| OOOmron Oilfield & Marine Services | Houston | TX | — | ◇ 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 |
| OCOta Compression LLC | Granbury | TX | — | ◇ UNVERIFIED |
| OPO-tex Pumping, L.l.c. | Duncan | OK | — | ◇ UNVERIFIED |
| OOtis | Orange | CA | — | ◇ UNVERIFIED |
| OLOwh LLC | Los Angeles | CA | — | ◇ UNVERIFIED |
| PEPace Engineering INC. | Willoughby | OH | — | ◇ UNVERIFIED |
| PAPacific Award Metals, INC. | Denver | CO | — | ◇ UNVERIFIED |
| PCPacific Clay Products INC | Lake Elsinore | CA | — | ◇ UNVERIFIED |
| PIPacseal INC | Brea | CA | — | ◇ UNVERIFIED |
| PAPaladin Attachments Ies LLC | Dexter | MI | — | ◇ 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 |
| PEPathfinder Energy Services | Katy | TX | — | ◇ UNVERIFIED |
| PRPayette Rock and Redimix LLC 00525 | Portable | ID | — | ◇ UNVERIFIED |
| PIPeak Innovations, Inc. | Fort Collins | CO | — | ◇ UNVERIFIED |
| PPPeer Properties 2, LLC | San Dimas | CA | — | ◇ UNVERIFIED |
| PAPengo Attachments | Cokato | MN | — | ◇ UNVERIFIED |
| PLPentucket Lake Condominiums | Haverhill | MA | — | ◇ UNVERIFIED |
| PEPetram Enterprises INC | Sheridan | OR | — | ◇ UNVERIFIED |
| PMPetroleum & Mining Hardmetals, INC. | Houston | TX | — | ◇ UNVERIFIED |
| PIPetrospect INC | Houston | TX | — | ◇ UNVERIFIED |
| PUPigs Unlimited International INC. | Tomball | TX | — | ◇ UNVERIFIED |
| PLPipe Line Unique Services LLC | Huffman | TX | — | ◇ UNVERIFIED |
| PMPivotal Mfg, LLC | Broussard | LA | — | ◇ UNVERIFIED |
| PRPizano Real Estate Holdings, LLC | Magnolia | TX | — | ◇ UNVERIFIED |
| PKP K Manufacturing INC | Central Point | OR | — | ◇ 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 |
 Power Dynamics Innovations, LLC. | Stennis Space Center | MS | — | ◇ UNVERIFIED |
| PSPrecise Services West | Corona | CA | — | ◇ UNVERIFIED |
| PEPrecision Energy Services | Benbrook | TX | — | ◇ UNVERIFIED |
| PFPremier Framing, INC | Corona | CA | — | ◇ UNVERIFIED |
| PGPrestige Gunite By Adams INC | San Jose | CA | — | ◇ UNVERIFIED |
| POPride of the Hills of Killbuck, INC | Killbuck | OH | — | ◇ UNVERIFIED |
| PRPrimoris Renewable Energy | Desert Center | CA | — | ◇ UNVERIFIED |
| PBPrins Brothers Enterprises LLC | Polk City | FL | — | ◇ UNVERIFIED |
| PIPrism Integrated Solutions Usa, INC. | Brownsville | TX | — | ◇ UNVERIFIED |
| PEProcess Equipment & Service Company (pesco) | Farmington | NM | — | ◇ UNVERIFIED |
| PLPro-dig, LLC | Wathena | KS | — | ◇ UNVERIFIED |
| PMProTeks Manufacturing LLC | Saginaw | TX | — | ◇ UNVERIFIED |
| PSPugmill Systems, INC. | Columbia | TN | — | ◇ UNVERIFIED |
| PIPutzmeister INC | Sturtevant | WI | — | ◇ UNVERIFIED |
| PFPv Fluids Cutten Road Facility | Houston | TX | — | ◇ UNVERIFIED |
| QAQ2 Artificial Lift Services LLC | Bakersfield | CA | — | ◇ UNVERIFIED |
| QCQuality Construction Clean-up, Inc. | Sacramento | CA | — | ◇ UNVERIFIED |
| QMQuik Manufacturing CO | Fountain Valley | CA | — | ◇ UNVERIFIED |
| RER3 Enterprises, LLC | Odessa | TX | — | ◇ UNVERIFIED |
| RIRam International INC. | Corpus Christi | TX | — | ◇ UNVERIFIED |
| RORamos Oil Company | Sacramento | CA | — | ◇ UNVERIFIED |
| RURandstad USA | Bismarck | ND | — | ◇ UNVERIFIED |
| RCRaveling Companies, LLC | Clear Lake | WI | — | ◇ UNVERIFIED |
| RMRdm Mechanics | Bakersfield | CA | — | ◇ UNVERIFIED |
| RORd Olson Mfg | Kelso | WA | — | ◇ UNVERIFIED |
| RPRdr Precision | Bakersfield | CA | — | ◇ UNVERIFIED |
| RRe-183 | Laramie County | WY | — | ◇ UNVERIFIED |
| RCRedback Coil Tubing LLC | Kilgore | TX | — | ◇ UNVERIFIED |
| RIRedcroft Investments LLC | Conroe | TX | — | ◇ UNVERIFIED |
| RLReedhycalog LP Houston Fixed Cutter | Houston | TX | — | ◇ UNVERIFIED |
| RReslink | Houston | TX | — | ◇ UNVERIFIED |
| RPResource Production Co, INC. | Farmington | NM | — | ◇ UNVERIFIED |
| RDRev Drill Sales & Rentals, Inc. | Frederick | MD | — | ◇ UNVERIFIED |
| RIReynolds Industries INC | Tega Cay | SC | — | ◇ UNVERIFIED |
| RDRh Drill Bit Repair | San Antonio | TX | — | ◇ UNVERIFIED |
| RERice Eng CORP | Odessa | TX | — | ◇ UNVERIFIED |
