| Nucor IN | Manufacturing | 0 | - | A |
| Nucor TX | Transportation & Warehousing | 0 | - | A |
| Nucor Buildings Group AL | - | 0 | - | - |
| Nucor Buildings Group West LLC CA | - | 0 | - | - |
| Nucor Business Technology, Inc. NC | Professional & Technical Services | 5 | $105,747 | - |
| Nucor Corporation AL | Manufacturing | 0 | - | B |
| Nucor Corporation AR | Manufacturing | 1 | $109,880 | - |
| Nucor Corporation KY | Manufacturing | 2 | $104,125 | A |
| Nucor Corporation NC | Manufacturing | 8 | $141,860 | A |
| Nucor Corporation NY | Manufacturing | 0 | - | B |
| Nucor Corporation SC | Manufacturing | 0 | - | C |
| Nucor Corporation, Nucor Steel Brandenburg KY | Manufacturing | 1 | $121,143 | - |
| Nucor Steel (Longview) TX | - | 0 | - | - |
| Nucor Steel Berkeley, Nucor Corporation SC | Manufacturing | 1 | $146,640 | - |
| Nucor Steel Decatur, LLC. AL | Manufacturing | 0 | - | A |
| Nucor Steel Lexington, Nucor Corporation NC | Manufacturing | 1 | $125,736 | - |
| Nucor Steel Louisiana LLC LA | Manufacturing | 2 | $168,022 | - |
| Nucor Steel Memphis, Inc. TN | Manufacturing | 3 | $119,413 | - |
| Nucor Steel West Virginia, LLC WV | Manufacturing | 3 | $113,448 | A |
| Nucor Towers & Structures Inc PA | Manufacturing | 0 | - | F |
| Nucor Tubular Products Chicago IL | - | 0 | - | - |
| Nucraft Furniture Co. MI | Manufacturing | 0 | - | F |
| NuCrane Manufacturing MN | - | 0 | - | - |
| Nucrogene Inc NJ | - | 1 | $64,230 | - |
| Nucyrna Therapeutics, Inc. MA | - | 1 | $132,500 | - |
| Nudj Health, Inc. CA | - | 1 | $156,998 | - |
| Nue.IO, Inc. CA | Professional & Technical Services | 1 | $145,000 | - |
| NuEnergen LLC NY | Professional & Technical Services | 1 | $76,000 | - |
| Nueske's Applewood Smoked Meats WI | Retail Trade | 0 | - | D |
| Nuestro Mundo Public Charter School RI | Educational Services | 1 | $54,810 | - |
| Nuestro Queso IL | Manufacturing | 0 | - | F |
| Nueta Hidatsa Sahnish College ND | Public Administration | 1 | $65,000 | - |
| Nueterra-Cook Children's NE Hospital TX | - | 0 | - | - |
| Nueva Esperanza, Inc. PA | Educational Services | 2 | $45,760 | - |
| Nueva Solutions INC. NY | Professional & Technical Services | 1 | $105,100 | - |
| Nueve Solutions, LLC. TX | Professional & Technical Services | 3 | $87,672 | - |
| Nuforce, LLC PA | - | 9 | $46,842 | - |
| Nugent Sand Company KY | Mining & Extraction | 1 | $147,389 | - |
| Nugget Market Inc CA | Retail Trade | 0 | - | F |
| Nugget Sparks, LLC NV | - | 0 | - | - |
| Nuhma Inflight Dining Fl Inc. FL | Accommodation & Food Services | 1 | $44,075 | - |
| Nuhma LLC NY | Accommodation & Food Services | 1 | $52,062 | - |
| Nukasani Group Inc IL | Administrative & Waste Services | 3 | $108,077 | - |
| Nukemed, Inc. IN | Manufacturing | 2 | $64,958 | - |
| Nulite Lighting CO | Manufacturing | 0 | - | F |
| Nullify, Inc. CA | - | 1 | $300,000 | - |
| Numanac Corporation MA | - | 1 | $146,349 | - |
| Numann Technologies, Inc. CA | Professional & Technical Services | 5 | $100,110 | - |
| NuMat Technologies, Inc. IL | Professional & Technical Services | 1 | $130,000 | - |
| Number 12 Cider MN | - | 0 | - | - |
