| NONational Oilwell Varco LP - Harvey Coating Facility | Harvey | LA | — | ◇ UNVERIFIED |
| NPNational Peening Incorporated | Salem | VA | — | ◇ UNVERIFIED |
| NPNational Plating - Lot 810 | Providence | RI | — | ◇ UNVERIFIED |
| NCNational-standard Company | Corbin | KY | — | ◇ UNVERIFIED |
| NFNatl Fabricators & Mach/north East Plt | North East | PA | — | ◇ UNVERIFIED |
| NRNatl Roll Co/vertical Seal CO | Pleasantville | PA | — | ◇ UNVERIFIED |
| NSNat Standard-city Complex | Niles | MI | — | ◇ UNVERIFIED |
| NANaval Air Warfare Center Aircraft Division@jbmdl Lakehurst | Trenton | NJ | — | ◇ UNVERIFIED |
| NMNci Mfg, INC. | Scottsboro | AL | — | ◇ UNVERIFIED |
| NINd Industries | Oakland | NJ | — | ◇ UNVERIFIED |
| NFNeenah Foundry CO - Plants 2 and 3 (w2179) | Neenah | WI | — | ◇ UNVERIFIED |
| NBNelson B. Boone Company | Louisville | KY | — | ◇ UNVERIFIED |
| NGNelson Galvanizing, INC | Long Island City | NY | — | ◇ UNVERIFIED |
| NGNelsons Gas | Owatonna | MN | — | ◇ UNVERIFIED |
| NINeo Industries | Maryville | TN | — | ◇ UNVERIFIED |
| NINeo Industries Indiana INC | Portage | IN | — | ◇ UNVERIFIED |
| NINeo Industries (usa), INC. | Decatur | AL | — | ◇ UNVERIFIED |
| NINeo Industries (weirton) INC. | Weirton | WV | — | ◇ UNVERIFIED |
| NINeo Industries ( Wv ) INC. | Weirton | WV | — | ◇ UNVERIFIED |
| NINeometal INC | Oakdale | CA | — | ◇ UNVERIFIED |
| NSNet Shaped Solutions | Canton | MI | — | ◇ UNVERIFIED |
| NSNettleton Steel Treating CO. (1318001253) | Cleveland | OH | — | ◇ UNVERIFIED |
| NCNewark Carting INC | Newark | NJ | — | ◇ UNVERIFIED |
| NBNew Beginnings Custom Chrome | Perry | FL | — | ◇ UNVERIFIED |
| NTNewberry Tanks and Equipment, LLC | Memphis | TN | — | ◇ UNVERIFIED |
| NBNew Britain Heat Treating | New Britain | CT | — | ◇ UNVERIFIED |
| NCNew Castle E-coating Plus | New Castle | IN | — | ◇ UNVERIFIED |
| NCNew Castle Foundry/new Castle | New Castle | PA | — | ◇ UNVERIFIED |
| NINewchem INC Dba Newcut | Newark | NY | — | ◇ UNVERIFIED |
| NENew England Compressor Exchan | Woburn | MA | — | ◇ UNVERIFIED |
| NENew England Expert Technologies Ne Xt | Greenfield | MA | — | ◇ UNVERIFIED |
| NENew England Precision INC | Randolph | VT | — | ◇ UNVERIFIED |
| NHNew Hampshire Stamping CO INC | Goffstown | NH | — | ◇ UNVERIFIED |
| NHNew Haven Foundry | New Haven | MI | — | ◇ UNVERIFIED |
| NCNewport CORP | Rochester | NY | — | ◇ UNVERIFIED |
| NWNewsome & Work Metallizing CO. INC. | Akron | OH | — | ◇ UNVERIFIED |
| NWNfm Welding Engineers INC | Massillon | OH | — | ◇ UNVERIFIED |
| NLNiagara Lasalle Corporation | Chattanooga | TN | — | ◇ UNVERIFIED |
| NPNi-chro Plating Corporation | Saint Petersburg | FL | — | ◇ UNVERIFIED |
| NCNickel Composite Coatings INC | Bedford Park | IL | — | ◇ UNVERIFIED |
| NPNickelson Plastics INC | Osceola | WI | — | ◇ UNVERIFIED |
| NPNicks Plating CO | Piqua | OH | — | ◇ UNVERIFIED |
| NBNielsen & Bainbridge, LLC. | Bridgeview | IL | — | ◇ UNVERIFIED |
| NINi Industries INC Norris Div | Vernon | CA | — | ◇ UNVERIFIED |
| NHNitro-vac Heat Treat-warren | Warren | MI | — | ◇ UNVERIFIED |
| NINlr, INC. | Manchester | CT | — | ◇ UNVERIFIED |
| NINmi Industrial Holdings INC | Sacramento | CA | — | ◇ UNVERIFIED |
| NNNoll Norwesco LLC | Fife | WA | — | ◇ UNVERIFIED |
| NCNooter Corp-nooter CORP | Saint Louis | MO | — | ◇ UNVERIFIED |
| NPNorbrook Plating, INC. | Warren | MI | — | ◇ UNVERIFIED |
| NMNor-cal Metal Fabricators | Oakland | CA | — | ◇ UNVERIFIED |
| NINorcold INC * | Gettysburg | OH | — | ◇ UNVERIFIED |
| NINorgren INC | Littleton | CO | — | ◇ UNVERIFIED |
| NMNortex Metal Finishing | Garland | TX | — | ◇ UNVERIFIED |
| NANorth American Construction Services, LTD. | Birmingham | AL | — | ◇ UNVERIFIED |
| NANorth American Galvanizing CO. Plant2 | Tulsa | OK | — | ◇ UNVERIFIED |
| NANorth American Kitchen Solutions, INC. | Dallas | GA | — | ◇ UNVERIFIED |
| NANorth American Steel & Wire INC | Butler | PA | — | ◇ UNVERIFIED |
| NBNorth Basin Coating | Levelland | TX | — | ◇ UNVERIFIED |
| NCNorth Coast Brewing CO | Fort Bragg | CA | — | ◇ UNVERIFIED |
| NENorth East Finishing Company INC | Copiague | NY | — | ◇ UNVERIFIED |
| NPNortheast Powder Coating | Lyons | NE | — | ◇ UNVERIFIED |
| NENorthern Engineering Company LLC | Superior | WI | — | ◇ UNVERIFIED |
| NINorthern Indiana Anodize | Fort Wayne | IN | — | ◇ UNVERIFIED |
| NPNorthern Plains Steel CO | Fargo | ND | — | ◇ UNVERIFIED |
| NSNorthern Star Plating & Finishing CO | Loves Park | IL | — | ◇ UNVERIFIED |
| NCNorthland Coating Solutions | Kearney | MO | — | ◇ UNVERIFIED |
| NMNorth Marina Bayside Abw Site | Everett | WA | — | ◇ UNVERIFIED |
| NPNorth Pacific Industrial Coatings Kent | Kent | WA | — | ◇ UNVERIFIED |
| NPNorth Penn Area 6 | Lansdale | PA | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Systems Corporation | Beltsville | MD | — | ◇ UNVERIFIED |
| NSNorthwest Swiss-matic, LLC | Crystal | MN | — | ◇ UNVERIFIED |
| NMNorthwoods Manufacturing INC | Kingsford | MI | — | ◇ UNVERIFIED |
| NINovatec INC | Brooklyn | MD | — | ◇ UNVERIFIED |
| NTNov Tuboscope Custom Coating Odessa | Odessa | TX | — | ◇ UNVERIFIED |
| NTNov Tuboscope Edmond Coating Plant | Edmond | OK | — | ◇ UNVERIFIED |
| NMNrg Maintenance Services | Houston | TX | — | ◇ UNVERIFIED |
| NTNss Technologies INC | Canton | MI | — | ◇ UNVERIFIED |
| NENtu Electronics, INC. | Largo | FL | — | ◇ UNVERIFIED |
| NFNuair Filter CO LLC | Normal | IL | — | ◇ UNVERIFIED |
| NNu-chrome | Fall River | MA | — | ◇ UNVERIFIED |
| NCNuclear Containers, Inc., Esp/cbc Div. | Elizabethton | TN | — | ◇ UNVERIFIED |
| NBNucor Bright Bar Orrville | Orrville | OH | — | ◇ UNVERIFIED |
| NCNucor Cold Finish Wisconsin INC | Oak Creek | WI | — | ◇ UNVERIFIED |
| NENu-life Environmental INC | Easley | SC | — | ◇ UNVERIFIED |
| NNumet | Orange | CT | — | ◇ UNVERIFIED |
| NMNutec Metal Finishing | Birmingham | AL | — | ◇ UNVERIFIED |
| NINu-way Industries INC | Des Plaines | IL | — | ◇ UNVERIFIED |
| NWN. Wasserstrom & Sons/ Amtekco Industries INC. (0125043113) | Columbus | OH | — | ◇ UNVERIFIED |
| NTNwl Transformers, INC. | Florence | NJ | — | ◇ UNVERIFIED |
| OSOakland Stamping LLC | Detroit | MI | — | ◇ UNVERIFIED |
| OIOak-mitsui INC | Hoosick Falls | NY | — | ◇ UNVERIFIED |
| OROak Ridge Loans INC | Oak Ridge | TN | — | ◇ UNVERIFIED |
| OIOakwood Interiors | Ontario | CA | — | ◇ UNVERIFIED |
| OBO B I Linings | Chocowinity | NC | — | ◇ UNVERIFIED |
| OCOcv Control Valves Precision Coatings / Ocv Control Valves Precision Coatings | Tulsa | OK | — | ◇ UNVERIFIED |
| OTO'day Tank and Steel Company | Fargo | ND | — | ◇ UNVERIFIED |
| OIOddello Industries, LLC | Morristown | TN | — | ◇ UNVERIFIED |
| OTOdm Tool & Manufacturing CO | Mccook | IL | — | ◇ UNVERIFIED |
| OBOerlikon Balzers | Lake Orion | MI | — | ◇ UNVERIFIED |
