| NLNorth Liberty | North Liberty | IA | 20–99 | ◐ LIKELY ACTIVE |
| NNorthplant | Spring Lake Park | MN | 20–99 | ◐ LIKELY ACTIVE |
| NSNorth Star Metals Mfg Co | Uhrichsville | OH | 20–99 | ◐ LIKELY ACTIVE |
| NSNorthstar Systembuilt | Redwood Falls | MN | 100–499 | ◐ LIKELY ACTIVE |
| NTNorth Texas Pressure Vessels, Inc. | Mineral Wells | TX | 20–99 | ◐ LIKELY ACTIVE |
| NANorthwest Arkansas Sheet Metal, Inc. | Rogers | AR | 20–99 | ◐ LIKELY ACTIVE |
| NPNorton Packaging- Hamlet | Hamlet | IN | 100–499 | ◐ LIKELY ACTIVE |
| NPNorton Packaging Inc. Los Angeles | Vernon | CA | 100–499 | ◐ LIKELY ACTIVE |
| NPNorwalk Precast Molds, Inc. | Norwalk | OH | 20–99 | ◐ LIKELY ACTIVE |
| NSNorwesco - Sheldon | Sheldon | IA | 20–99 | ◐ LIKELY ACTIVE |
| NUNovares US LLC | Felton | PA | 20–99 | ◐ LIKELY ACTIVE |
| NUNovares US LLC | Prairie Du Chien | WI | 100–499 | ◐ LIKELY ACTIVE |
| NUNovares US LLC | Grand Rapids | MI | 100–499 | ◐ LIKELY ACTIVE |
| NWNovares Walworth 1 | Walworth | WI | 100–499 | ◐ LIKELY ACTIVE |
| NWNovares Walworth 2 | Walworth | WI | 20–99 | ◐ LIKELY ACTIVE |
| NPNovatech Patio Doors, Inc - Ridgeway, VA | Ridgeway | VA | 20–99 | ◐ LIKELY ACTIVE |
| NFNOV FGS Andrews | Andrews | TX | 20–99 | ◐ LIKELY ACTIVE |
| NFNOV FGS Iuka | Iuka | MS | 1–19 | ◐ LIKELY ACTIVE |
| NFNOV Fiber Glass Systems | Sand Springs | OK | 20–99 | ◐ LIKELY ACTIVE |
| NFNOV Fiberglass Systems Mount Union, PA | Mount Union | PA | 100–499 | ◐ LIKELY ACTIVE |
| NNovolex | Holley | NY | 100–499 | ◐ LIKELY ACTIVE |
| NNovolex | City of Industry | CA | 20–99 | ◐ LIKELY ACTIVE |
| NWNOV - Waycross | Waycross | GA | 20–99 | ◐ LIKELY ACTIVE |
| NMNPI Medical Inc | Antioch | IL | 20–99 | ◐ LIKELY ACTIVE |
| NMNPI Medical (Westfall Technik, LLC) | Ansonia | CT | 100–499 | ◐ LIKELY ACTIVE |
| NCNPK Carencro, LA | Carencro | LA | 100–499 | ◐ LIKELY ACTIVE |
| NWNuark Warehouse & Logistics | Blytheville | AR | 20–99 | ◐ LIKELY ACTIVE |
| NDNucor Data Systems | Madison | IN | 20–99 | ◐ LIKELY ACTIVE |
| NHNucor Harris Rebar Mid-Atlantic LLC (Baltimore Facility) | Baltimore | MD | 20–99 | ◐ LIKELY ACTIVE |
| NHNucor Harris Rebar Northeast LLC (Bethlehem Facility) | Bethlehem | PA | 20–99 | ◐ LIKELY ACTIVE |
| NHNucor Harris Rebar Northeast LLC (Canaan Facility) | Canaan | NH | 20–99 | ◐ LIKELY ACTIVE |
| NHNucor Harris Rebar Northeast LLC (Pawtucket Facility) | Pawtucket | RI | 20–99 | ◐ LIKELY ACTIVE |
| NHNucor Harris Rebar Northeast LLC (South Deerfield Facility) | South Deerfield | MA | 20–99 | ◐ LIKELY ACTIVE |
| NRNucor Rebar Fabrication Midwest LLC Bourbonnais, Illinois | Bourbonnais | IL | 20–99 | ◐ LIKELY ACTIVE |
| NRNucor Rebar Fabrication Midwest LLC Lansing, Michigan | Lansing | MI | 20–99 | ◐ LIKELY ACTIVE |
| NRNucor Rebar Fabrication Midwest LLC Marion, Ohio | Marion | OH | 20–99 | ◐ LIKELY ACTIVE |
| NRNucor Rebar Fabrication Midwest LLC Mooresville, Indiana | Mooresville | IN | 20–99 | ◐ LIKELY ACTIVE |
| NRNucor Rebar Fabrication Midwest LLC - Newton Iowa | Newton | IA | 20–99 | ◐ LIKELY ACTIVE |
| NRNucor Rebar Fabrication Midwest LLC - Roberts Wisonsin | Roberts | WI | 20–99 | ◐ LIKELY ACTIVE |
| NRNucor Rebar Fabrication Midwest LLC Rockford, Illinois | Rockford | IL | 20–99 | ◐ LIKELY ACTIVE |
| NRNucor Rebar Fabrication Midwest LLC - Sedalia Missouri | Sedalia | MO | 20–99 | ◐ LIKELY ACTIVE |
| NRNucor Rebar Fabrication Midwest LLC - St. Louis Missouri | Saint Louis | MO | 1–19 | ◐ LIKELY ACTIVE |
| NRNucor Rebar Fabrication Services Center Corp | Fort Wayne | IN | 20–99 | ◐ LIKELY ACTIVE |
| NRNucor Rebar Fabrication Southcentral LLC - Dallas Texas | Dallas | TX | 20–99 | ◐ LIKELY ACTIVE |
| NRNucor Rebar Fabrication Southcentral LLC - Houston Texas | Dayton | TX | 20–99 | ◐ LIKELY ACTIVE |
| NRNucor Rebar Fabrication Southcentral LLC - Jackson Mississippi | Flowood | MS | 20–99 | ◐ LIKELY ACTIVE |
| NRNucor Rebar Fabrication Southcentral LLC - Jewett Texas | Jewett | TX | 20–99 | ◐ LIKELY ACTIVE |
| NRNucor Rebar Fabrication Southcentral LLC - Slidell Louisiana | Slidell | LA | 20–99 | ◐ LIKELY ACTIVE |
| NSNucor Skyline | Huger | SC | 20–99 | ◐ LIKELY ACTIVE |
| NTNucor Towers and Structures Indiana | New Ross | IN | 100–499 | ◐ LIKELY ACTIVE |