 National Industrial Supply Company INC | Troy | MI | — | ◇ UNVERIFIED |
| NMNc Machinery Company | Anchorage | AK | — | ◇ UNVERIFIED |
| NHNebraska Hoist and Crane | Omaha | NE | — | ◇ UNVERIFIED |
| NENeroco Engineering | Oconto | WI | — | ◇ UNVERIFIED |
| NANestaway-div Axia | Clinton | NC | — | ◇ UNVERIFIED |
| NNetgear | San Jose | CA | — | ◇ UNVERIFIED |
| NWNevada Water Trucks | Las Vegas | NV | — | ◇ UNVERIFIED |
| NENew England Wire Products, INC | Greensboro | GA | — | ◇ UNVERIFIED |
| NYNew York Wire | Hanover | PA | — | ◇ UNVERIFIED |
| NYNew York Wire Weaving Facility | York | PA | — | ◇ UNVERIFIED |
| NLNext Level Construction Services | Temecula | CA | — | ◇ UNVERIFIED |
| NCNichols Concrete Holdings, LLC - Pelham Plant | Pelham | AL | — | ◇ UNVERIFIED |
| NSNichols & Stone CO | Gardner | MA | — | ◇ UNVERIFIED |
| NCNoble Construction Equipment INC | Lubbock | TX | — | ◇ UNVERIFIED |
| NHNO-BS Holdings, LLC | Greene | IA | — | ◇ UNVERIFIED |
| NSNoel Sharpening & Welding Center | Chatsworth | CA | — | ◇ UNVERIFIED |
| NSNorfolk Southern Corporation | Roanoke | VA | — | ◇ UNVERIFIED |
| NSNorris Screen and Manufactruing INC | Tazewell | VA | — | ◇ UNVERIFIED |
| NBNorth Bend Equipment LLC | Florence | KY | — | ◇ UNVERIFIED |
| NENorth Electric INC | Cleveland | OH | — | ◇ UNVERIFIED |
| NPNorth Pacific Industrial Coatings Kent | Kent | WA | — | ◇ UNVERIFIED |
| NENortrax Equipment Company INC. | Lutz | FL | — | ◇ UNVERIFIED |
| NINsd INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| NINsd, INC. | Maplewood | MN | — | ◇ UNVERIFIED |
| OWO'brien Wire Products of Texas, INC. | Houston | TX | — | ◇ UNVERIFIED |
| OTOcean Terminal Services, INC. | Wilmington | CA | — | ◇ UNVERIFIED |
| OIOfco INC | Coshocton | OH | — | ◇ UNVERIFIED |
| OWOhio Wire Form & Spring Company | Columbus | OH | — | ◇ UNVERIFIED |
| OGOldenburg Group INC | Kingsford | MI | — | ◇ UNVERIFIED |
| OVOlive View Medical Center La County | Sylmar | CA | — | ◇ UNVERIFIED |
 Olsen Chain & Cable - Edina | Edina | MN | — | ◇ UNVERIFIED |
| Olsen Chain - Cable INC | Moorhead | MN | — | ◇ UNVERIFIED |
| OCOmi Crane Systems INC | Royse City | TX | — | ◇ UNVERIFIED |
| ONO. Norheim Corporation | Douglassville | PA | — | ◇ UNVERIFIED |
| OPOn Point Construction Services, INC. | Dover | FL | — | ◇ UNVERIFIED |
| OLOrganized Living | Bloomington | IN | — | ◇ UNVERIFIED |
| ODOrion Drilling Company, LLC | Corpus Christi | TX | — | ◇ UNVERIFIED |
| OOrtech | Kirksville | MO | — | ◇ UNVERIFIED |
| OGOsborn General Engineering and Construction INC | Auburn | CA | — | ◇ UNVERIFIED |
| OCOshkosh Corporation | Orrville | OH | — | ◇ UNVERIFIED |
| PLPacal LLC | Roseville | MN | — | ◇ UNVERIFIED |
| PCPaceco Corporation | Oakland | CA | — | ◇ 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 |
| PRPaducah Rigging, INC. | Reserve | LA | — | ◇ UNVERIFIED |
| PAPage Alumnized Steel | Monessen | PA | — | ◇ UNVERIFIED |
| PAPaladin Attachments Ies LLC | Dexter | MI | — | ◇ UNVERIFIED |
| PMPalm Manufacturing and Sales | Grove City | MN | — | ◇ UNVERIFIED |
