| NBNifty Bar Grinding & Cutting Solutions, Inc. | Penfield | NY | — | ◇ UNVERIFIED |
| NINikkel Iron Works INC | Shafter | CA | — | ◇ UNVERIFIED |
| NBNiles Building Products INC. | Niles | OH | — | ◇ UNVERIFIED |
| NLNineThree010, LLC | Logan | UT | — | ◇ UNVERIFIED |
| NFNippon Fusso America INC | Hayward | CA | — | ◇ UNVERIFIED |
| NMNiron Magnetics INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| NMNiron Magnetics-sartell | Sartell | MN | — | ◇ UNVERIFIED |
| NINmi Industrial Holdings INC | Sacramento | CA | — | ◇ UNVERIFIED |
| NNNobelclad New Stockpile | Dunbar | PA | — | ◇ UNVERIFIED |
| NWNoble Welding & Mfg INC | Centerville | MN | — | ◇ UNVERIFIED |
| NINorcold INC * | Gettysburg | OH | — | ◇ UNVERIFIED |
| NANordson Asymtek | Vista | CA | — | ◇ UNVERIFIED |
| NFNorell Foundry & Machine INC | Franklin | NH | — | ◇ UNVERIFIED |
| NINorfolk Iron and Metal | New Century | KS | — | ◇ UNVERIFIED |
| NANorth American Waste Management Usa, LLC | Saco | ME | — | ◇ UNVERIFIED |
| NMNorthbridge Mills LLC | Northbridge | MA | — | ◇ UNVERIFIED |
| NCNorth County Iron Corp. | Groveton | NH | — | ◇ UNVERIFIED |
| NENorth East Fabrication Company INC | Jonesville | MI | — | ◇ UNVERIFIED |
| NPNorthern Plains Steel CO | Fargo | ND | — | ◇ UNVERIFIED |
| NSNorthern Steel Manufacturing LLC | Elcho | WI | — | ◇ UNVERIFIED |
| NHNorth Houston Machine, INC. | Tomball | TX | — | ◇ UNVERIFIED |
| NMNorth Marina Bayside Abw Site | Everett | WA | — | ◇ UNVERIFIED |
| NSNorth Silsbee Facility | Silsbee | TX | — | ◇ UNVERIFIED |
| NSNorth Star Cart Company | Brooklyn Center | MN | — | ◇ UNVERIFIED |
| NSNorth Star Propellers INC | San Diego | CA | — | ◇ UNVERIFIED |
| NINorthwest Industries, INC. | Russellville | AL | — | ◇ UNVERIFIED |
| NPNorthwest Precision Fabricators INC | Oregon City | OR | — | ◇ UNVERIFIED |
| NMNorwest Manufacturing Equipment LLC | Rupert | ID | — | ◇ UNVERIFIED |
| NANose and Mustache LLC | Markle | IN | — | ◇ UNVERIFIED |
| NNov | Dayton | OH | — | ◇ UNVERIFIED |
| NSNova Services INC. | Toledo | OH | — | ◇ UNVERIFIED |
| NBNSG Browns, LLC | Topeka | KS | — | ◇ UNVERIFIED |
| NLNsjs LLC | Dallas | TX | — | ◇ UNVERIFIED |
| NFNuair Filter CO LLC | Normal | IL | — | ◇ UNVERIFIED |
| NLNucfil, LLC | Golden | CO | — | ◇ UNVERIFIED |
| NTNutec Tooling Sys | Meadville | PA | — | ◇ UNVERIFIED |
| NRNuvo Residential, LLC | Clearfield | UT | — | ◇ UNVERIFIED |
| NFNW Fluid Power & Controls Co. LLC | Auburn | WA | — | ◇ UNVERIFIED |
| NMNymar Manufacturing Co., INC. | Randolph | NJ | — | ◇ UNVERIFIED |
| NANytron Aerospace – Manufacturing Systems | Brea | CA | — | ◇ UNVERIFIED |
| OBO.a. Both CORP Dba Schlenk Metalic Pigments (stormwater) | Lawrence | KS | — | ◇ UNVERIFIED |
| OROak Ridge Loans INC | Oak Ridge | TN | — | ◇ UNVERIFIED |
| OAOakwalk Apartments | Emeryville | CA | — | ◇ UNVERIFIED |
| OBO B I Linings | Chocowinity | NC | — | ◇ UNVERIFIED |
| OLObi Linings INC | Chocowinity | NC | — | ◇ UNVERIFIED |
| OEOceanside Engineering Mfg | Oceanside | CA | — | ◇ UNVERIFIED |
| OEOec Engineering Corporation | Chantilly | VA | — | ◇ UNVERIFIED |
| OFOem Fabricators INC | Baldwin | WI | — | ◇ UNVERIFIED |
| OAOffroad Addiction, Inc | Oklahoma City | OK | — | ◇ UNVERIFIED |
| OSOffshore Spars Co. | Chesterfield | MI | — | ◇ UNVERIFIED |
| OMOhio Match CO | Mancos | CO | — | ◇ UNVERIFIED |
| OMOhio Metal Technologies INC | Hebron | OH | — | ◇ UNVERIFIED |
| OKOh Keys | Bethany | OK | — | ◇ UNVERIFIED |
| OPOh & Payne Intl. LLC. | Norcross | GA | — | ◇ UNVERIFIED |
| OOldcastle | Egg Harbor City | NJ | — | ◇ UNVERIFIED |
| OSOld Sole Fabrication INC | Denver | CO | — | ◇ UNVERIFIED |
| OSOld South Fabricators L.l.c. | Lecompte | LA | — | ◇ UNVERIFIED |
| OCOlympia Chimney Supply, Incorporated | Scranton | PA | — | ◇ UNVERIFIED |
| OSOlympic Steel - Ps&w | Siler City | NC | — | ◇ UNVERIFIED |
| OCOmni CORP Ii | Saint Augustine | FL | — | ◇ UNVERIFIED |
 Omni Services | Falconer | NY | — | ◇ UNVERIFIED |
| OROmron Robotics and Safety Technologies | Pleasanton | CA | — | ◇ UNVERIFIED |
| OPOn-board Pmo, Corporation | Valley View | OH | — | ◇ UNVERIFIED |
| OMO'neal Manufacturing Services | Indianapolis | IN | — | ◇ UNVERIFIED |
| OMO'neal Manufacturing Services | Cedar Falls | IA | — | ◇ UNVERIFIED |
| OROne Rig Design LLC | Poland | ME | — | ◇ UNVERIFIED |
| OCOn-site Custom Fabrication INC. | Hendersonville | TN | — | ◇ UNVERIFIED |
| OTOn the Level Fabrication, LLC | Winder | GA | — | ◇ UNVERIFIED |
| OTOp Tanks LLC | Pleasant View | UT | — | ◇ UNVERIFIED |
| OPOregon Precision Manufacturing INC | Sherwood | OR | — | ◇ UNVERIFIED |
| OEOri Enterprises LLC | Wellington | UT | — | ◇ UNVERIFIED |
| OAOrion Asset Management Co., LLC | Akron | OH | — | ◇ UNVERIFIED |
| OCOsage Canoes LLC | Lebanon | MO | — | ◇ UNVERIFIED |
| OIOseda Industries Corporation | Corona | CA | — | ◇ UNVERIFIED |
| OOsmonics | Escondido | CA | — | ◇ UNVERIFIED |
| ONOur Next Energy | Torrance | CA | — | ◇ UNVERIFIED |
| OGOwens-brockway Glass Containers INC | Godfrey | IL | — | ◇ UNVERIFIED |
| OSOwens Specialty Company, INC. | Channelview | TX | — | ◇ UNVERIFIED |
| OGOxford General Industries INC | Prospect | CT | — | ◇ UNVERIFIED |
| OMOxford Manufacturing, LLC | Selma | AL | — | ◇ UNVERIFIED |
| PMP3 Manufacturing LLC | Cleveland | OH | — | ◇ UNVERIFIED |
| PSPacfab Services LLC | Davenport | IA | — | ◇ UNVERIFIED |
| PFPacific Fiberglass INC | Salem | OR | — | ◇ UNVERIFIED |
| PMPacific Metal Fab, INC | Madera | CA | — | ◇ UNVERIFIED |
| POPacific Office Automation | Seattle | WA | — | ◇ UNVERIFIED |
| PPPacific Powder Coating & Manufacturing | Sacramento | CA | — | ◇ UNVERIFIED |
| PSPacific Safe Manufacturing, Inc. | Upland | CA | — | ◇ UNVERIFIED |
| PIPageantry Innovations LLC | Dover | OH | — | ◇ UNVERIFIED |
| PMPalermo Metal Products, INC. | Easton | PA | — | ◇ UNVERIFIED |
| PCPall Corporation | Grand Island | NE | — | ◇ UNVERIFIED |
| PTPall Trinity Micro | Cortland | NY | — | ◇ UNVERIFIED |
| PTPalmer Tool Company | Camden | TN | — | ◇ UNVERIFIED |
| PDPamela Deats dba Custom Built Awards | Humble | TX | — | ◇ UNVERIFIED |
| PUPandrol USA LP | Bridgeport | NJ | — | ◇ UNVERIFIED |
| PFPanel Finishers, INC. | Houston | TX | — | ◇ UNVERIFIED |
| PCParagon CNC, LLC | Frederick | MD | — | ◇ UNVERIFIED |
| PMParagon Machine Company, INC. | Saint Petersburg | FL | — | ◇ UNVERIFIED |
| PPParagon Precision Metal, LLC | Mcpherson | KS | — | ◇ UNVERIFIED |
| PWParallel Welding Services, LLC | Saint Gabriel | LA | — | ◇ UNVERIFIED |
| PMParametric Manufacturing INC | Santa Clara | CA | — | ◇ UNVERIFIED |
