| NWNew World Machining INC | San Jose | CA | — | ◇ UNVERIFIED |
| NCNexGen Composites, LLC | Franklin | OH | — | ◇ UNVERIFIED |
 Nexgen Group Inc | Bremen | IN | — | ◇ UNVERIFIED |
| Nexgen Group Inc | Bremen | IN | — | ◇ UNVERIFIED |
| NMNexus Manufacturing LLC | Ham Lake | MN | — | ◇ UNVERIFIED |
| NIN-fab, INC. | Houston | TX | — | ◇ UNVERIFIED |
| NINft INC. | Golden | CO | — | ◇ UNVERIFIED |
| NINGU Industries L.L.C. | Concord | NC | — | ◇ UNVERIFIED |
| NMNiagara Manufacturing Company | Erie | PA | — | ◇ UNVERIFIED |
| NPNiagara Precision INC. | Lockport | NY | — | ◇ UNVERIFIED |
| NENicco Engineering INC | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| NMNicholas Malkoch | Clayton | NC | — | ◇ UNVERIFIED |
 Nichols Manufacturing INC | Milpitas | CA | — | ◇ UNVERIFIED |
| NLNico, LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| NBNifty Bar Grinding & Cutting Solutions, Inc. | Penfield | NY | — | ◇ UNVERIFIED |
 Nikel Precision Group II, LLC | Warminster | PA | — | ◇ UNVERIFIED |
| NINikkel Iron Works INC | Shafter | CA | — | ◇ UNVERIFIED |
| NBNiles Building Products INC. | Niles | OH | — | ◇ UNVERIFIED |
| NLNineThree010, LLC | Logan | UT | — | ◇ UNVERIFIED |
| NMNippon Machine Engineering, INC. | Canutillo | TX | — | ◇ UNVERIFIED |
| NMNiron Magnetics INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| NMNiron Magnetics-sartell | Sartell | MN | — | ◇ UNVERIFIED |
| NSN.j. Sullivan Company INC. | Sterling | VA | — | ◇ UNVERIFIED |
| NEN.L.E. Enterprises Inc. | Newport | DE | — | ◇ UNVERIFIED |
| NMN & M Kuenzi LLC | Salem | OR | — | ◇ UNVERIFIED |
| NNNobelclad New Stockpile | Dunbar | PA | — | ◇ UNVERIFIED |
| NCNobis CO INC. | Salt Lake City | UT | — | ◇ UNVERIFIED |
| NWNoble Welding & Mfg INC | Centerville | MN | — | ◇ UNVERIFIED |
| NCNomad Chassis, INC. | Jefferson | GA | — | ◇ UNVERIFIED |
| NENo-mar Enterprises | Fenton | MO | — | ◇ UNVERIFIED |
| NMNonmetallic Machinery Assembly, INC. | — | PA | — | ◇ UNVERIFIED |
| NCNor Cal Design, INC. | San Leandro | CA | — | ◇ UNVERIFIED |
| NMNorCal Manufacturing LLC | San Jose | CA | — | ◇ UNVERIFIED |
| NANordson Asymtek | Vista | CA | — | ◇ UNVERIFIED |
| NFNorell Foundry & Machine INC | Franklin | NH | — | ◇ UNVERIFIED |
| NINorfolk Iron and Metal | New Century | KS | — | ◇ UNVERIFIED |
| NINorris International Services, LLC. | New Iberia | LA | — | ◇ UNVERIFIED |
| NANorth American Machine Works, INC. | Folcroft | PA | — | ◇ UNVERIFIED |
| NANorth American Waste Management Usa, LLC | Saco | ME | — | ◇ UNVERIFIED |
| NBNorth Branch Machining & Engineering | Fostoria | MI | — | ◇ UNVERIFIED |
| NMNorthbridge Mills LLC | Northbridge | MA | — | ◇ UNVERIFIED |
| NCNorth Central Tool & Manufacturing, INC. | Collierville | TN | — | ◇ UNVERIFIED |
| NCnorth county industrial machine shop | Salinas | CA | — | ◇ UNVERIFIED |
| NCNorth County Industrial Machine Shop, Inc. | Salinas | CA | — | ◇ UNVERIFIED |
| NCNorth County Iron Corp. | Groveton | NH | — | ◇ UNVERIFIED |
| NENorth East Fabrication Company INC | Jonesville | MI | — | ◇ UNVERIFIED |
| NMNortheast Machine & Manufacturing Inc. | Battle Creek | NE | — | ◇ UNVERIFIED |
| NMNortheast Missouri Machine & Pattern CO | Palmyra | MO | — | ◇ UNVERIFIED |
| NSNorthern Stacks 8 | Fridley | MN | — | ◇ UNVERIFIED |
| NSNorthern Steel Castings INC | Wisconsin Rapids | WI | — | ◇ UNVERIFIED |
