| NCNorth County Industrial Machine Shop, Inc. | Salinas | CA | — | ◇ UNVERIFIED |
| NCNorth County Iron Corp. | Groveton | NH | — | ◇ UNVERIFIED |
| NCNortheast Construction Industries, INC. | Montgomery | NY | — | ◇ UNVERIFIED |
| NMNortheastern Metals, LLC | Greenfield | MA | — | ◇ UNVERIFIED |
| NENorth East Fabrication Company INC | Jonesville | MI | — | ◇ UNVERIFIED |
| NFNortheast Fence & Iron Works, INC. | Philadelphia | PA | — | ◇ UNVERIFIED |
| NMNortheast Machine & Manufacturing Inc. | Battle Creek | NE | — | ◇ UNVERIFIED |
| NMNortheast Missouri Machine & Pattern CO | Palmyra | MO | — | ◇ UNVERIFIED |
| NMNortheast Motion, Inc | Smithfield | RI | — | ◇ UNVERIFIED |
| NSNortheast Sheet Metal LLC | Hoboken | NJ | — | ◇ UNVERIFIED |
| NCNorthern California Framing & Carpentry, INC. | Ripon | CA | — | ◇ UNVERIFIED |
| NCNorthern Containment LLC | Brainerd | MN | — | ◇ UNVERIFIED |
| NONorthern Oregon Fabrication LLC | North Plains | OR | — | ◇ UNVERIFIED |
| NSNorthern Screw Machine Company INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| NSNorthern Stacks 8 | Fridley | MN | — | ◇ UNVERIFIED |
| NSNorthern Steel Manufacturing LLC | Elcho | WI | — | ◇ UNVERIFIED |
| NSNorthern Swiss Products LLC | West Branch | MI | — | ◇ UNVERIFIED |
| NTNorthern Tool - Equipment Company INC | Faribault | MN | — | ◇ UNVERIFIED |
| NUNorthern U - S INC Dba Quali-mac INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| NVNorthern Valley Machine INC | East Grand Forks | MN | — | ◇ UNVERIFIED |
| NFNorth Fork Mechanical & Fabrication, LLC | Saint Louisville | OH | — | ◇ UNVERIFIED |
| NFNorth Fork Precision LLC | Broadus | MT | — | ◇ UNVERIFIED |
| NRNorthgate Radiator | Lapeer | MI | — | ◇ UNVERIFIED |
| NHNorth Houston Machine, INC. | Tomball | TX | — | ◇ UNVERIFIED |
| NPNorthlake Precision, INC. | Mandeville | LA | — | ◇ UNVERIFIED |
 Northland Machine INC | Cohasset | MN | — | ◇ UNVERIFIED |
| NPNorthland Precision, LLC | Traverse City | MI | — | ◇ UNVERIFIED |
| NSNorthland Stainless INC | Tomahawk | WI | — | ◇ UNVERIFIED |
| NLNorth Line Properties LLC | Machesney Park | IL | — | ◇ UNVERIFIED |
| NINorthpoint INC | Manistee | MI | — | ◇ UNVERIFIED |
| NINorthpost INC | Ogilvie | MN | — | ◇ UNVERIFIED |
| NSNorth Second Street Smithfield LLC Dba Con-quip | Burlington | KY | — | ◇ UNVERIFIED |
| NSNorth Shore Steel Co., INC. | Lynn | MA | — | ◇ UNVERIFIED |
| NSNorthside Sheet Metal, INC. | Panama City | FL | — | ◇ UNVERIFIED |
| NTNorthside Tin Shop | Chattanooga | TN | — | ◇ UNVERIFIED |
| NSNorth Silsbee Facility | Silsbee | TX | — | ◇ UNVERIFIED |
| NSNorth Star Cart Company | Brooklyn Center | MN | — | ◇ UNVERIFIED |
| NSNorth Star Fabricators, INC. | Pocatello | ID | — | ◇ UNVERIFIED |
| NMNorthstar Metalworks, INC | Brainerd | MN | — | ◇ UNVERIFIED |
| NSNorth Star Propellers INC | San Diego | CA | — | ◇ UNVERIFIED |
| NSNorth Star Safe LLC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| NSNorthstar Steel Fab. INC | Rhinelander | WI | — | ◇ UNVERIFIED |
| NTNorth Texas Steel | Fort Worth | TX | — | ◇ UNVERIFIED |
| NANorthwest Aluminum Trailers INC | Roseburg | OR | — | ◇ UNVERIFIED |
| NTNorthwestern Tool & Die Manufacturiing CORP. | Vineland | NJ | — | ◇ UNVERIFIED |
| NFNorthwest Fl Machine | Pensacola | FL | — | ◇ UNVERIFIED |
| NINorthwest Industries, INC. | Russellville | AL | — | ◇ UNVERIFIED |
| NMNorthwest Machine INC. | Salt Lake City | UT | — | ◇ UNVERIFIED |
| NMNorthwest Machine Works INC | Grand Junction | CO | — | ◇ UNVERIFIED |
| NMNorthwest Metals Fabrication | Arlington | WA | — | ◇ UNVERIFIED |
| NPNorthwest Precision Fabricators INC | Oregon City | OR | — | ◇ UNVERIFIED |
| NSNorthwest Specialty Fab LLC | Central Point | OR | — | ◇ UNVERIFIED |
| NSNorthwest Structural Services INC | Portland | OR | — | ◇ UNVERIFIED |
| NSNorthwest Structural Services INC | Portland | OR | — | ◇ UNVERIFIED |
| NSNorthwest Structural Services INC | Portland | OR | — | ◇ UNVERIFIED |
| NTNorthwest Thermal Systems INC | Estacada | OR | — | ◇ UNVERIFIED |
| NMNorthwoods Machine INC | Elk River | MN | — | ◇ UNVERIFIED |
| NMNorwest Manufacturing Equipment LLC | Rupert | ID | — | ◇ UNVERIFIED |
| NCNorwood Company INC. | Delphos | KS | — | ◇ UNVERIFIED |
| NANose and Mustache LLC | Markle | IN | — | ◇ UNVERIFIED |
| NGNova Grinding Co, Inc | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| NSNova Services INC. | Toledo | OH | — | ◇ UNVERIFIED |
| NTNova Tool CO | Hayward | CA | — | ◇ UNVERIFIED |
| NINovatronix, INC Dba Husky Industries | Los Angeles | CA | — | ◇ UNVERIFIED |
| NPNovel Precision Machine LLC | Lyndon | KY | — | ◇ UNVERIFIED |
| NMNovelty Machine Works | Jackson | MS | — | ◇ UNVERIFIED |
| NPNowak Properties, LLC | Punta Gorda | FL | — | ◇ UNVERIFIED |
| NFNowlin Fence INC | Anaheim | CA | — | ◇ UNVERIFIED |
| NSNowlin Steelcraft, INC. | Hampton | VA | — | ◇ UNVERIFIED |
| NMNp Manufacturing Group LLC | New Paris | OH | — | ◇ UNVERIFIED |
| NMNpn Machine Tools | Houston | TX | — | ◇ UNVERIFIED |
| NINrlj, INC. | Browns Summit | NC | — | ◇ UNVERIFIED |
| NINsa Industries LLC | Saint Johnsbury | VT | — | ◇ UNVERIFIED |
| NBNSG Browns, LLC | Topeka | KS | — | ◇ UNVERIFIED |
| NLNsjs LLC | Dallas | TX | — | ◇ UNVERIFIED |
| NCNsk Corporation | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| NSN & S Supply | Milton | NY | — | ◇ UNVERIFIED |
| NLNthlnh LLC | Jenison | MI | — | ◇ UNVERIFIED |
| NTN & T Mold Engineering Corporation | Hillsboro | OR | — | ◇ UNVERIFIED |
| NLNucfil, LLC | Golden | CO | — | ◇ UNVERIFIED |
| NNucor | Norfolk | NE | — | ◇ UNVERIFIED |
| NGNucor Grating - Fisher & Ludlow INC. | Madison | MS | — | ◇ UNVERIFIED |
| NHNucor Harris Rebar Jackson LLC | Flowood | MS | — | ◇ UNVERIFIED |
| NRNucor Rebar Fabrication Fontana | Fontana | CA | — | ◇ UNVERIFIED |
| NRNucor Rebar Fabrication Southwest INC | Lathrop | CA | — | ◇ UNVERIFIED |
| NRNucor Rebar Fabrication Southwest INC | Lakeside | CA | — | ◇ UNVERIFIED |
| NSNucor Skyline | Armorel | AR | — | ◇ UNVERIFIED |
| NTNucor Towers and Structures | New Ross | IN | — | ◇ UNVERIFIED |
| NTNucor Towers & Structures | Crawfordsville | IN | — | ◇ UNVERIFIED |
| NVNucor Vulcraft Group | San Antonio | TX | — | ◇ UNVERIFIED |
| NVNucor Vulcraft - St. Joe Division | Saint Joe | IN | — | ◇ UNVERIFIED |
| NTNu-co Tool INC. | Edinburg | TX | — | ◇ UNVERIFIED |
| NNucraft | Roscommon | MI | — | ◇ UNVERIFIED |
| NDNu Design INC | Pine City | MN | — | ◇ UNVERIFIED |
| NSNuEra Steel LLC | Viborg | SD | — | ◇ UNVERIFIED |
| NCNueva Castilla Iron Works, INC. | San Francisco | CA | — | ◇ UNVERIFIED |
| NRNufab Rebar-slidell, LLC | Alexandria | LA | — | ◇ UNVERIFIED |
| NNNumber Nine, L.l.c. | Lk Havasu Cty | AZ | — | ◇ UNVERIFIED |
| NINumek, INC. | Orlando | FL | — | ◇ UNVERIFIED |
| NCNumerical Control Support, INC. | Shawnee Mission | KS | — | ◇ UNVERIFIED |
