| Nu-Way Transportation PA | Transportation & Warehousing | 0 | — | A |
| Nuaav Inc. VA | Professional & Technical Services | 2 | $225,000 | — |
| Nuance Labs, Inc. WA | Professional & Technical Services | 1 | $255,000 | — |
| Nuance Solutions IL | Manufacturing | 0 | — | F |
| Nuance Transcription Services MN | — | 0 | — | — |
| Nuanced Media LLC AZ | Professional & Technical Services | 1 | $70,000 | — |
| NUANZA, INC. TX | Professional & Technical Services | 6 | $104,309 | — |
| NUBA, LLC TX | Professional & Technical Services | 1 | $87,298 | — |
| Nube9 LLC OH | Professional & Technical Services | 6 | $95,467 | — |
| Nubes Opus, LLC TX | Professional & Technical Services | 2 | $103,596 | — |
| NuCera OK | — | 0 | — | — |
| NuCera Solutions LLC OK | Manufacturing | 0 | — | A |
| Nucfil llc dba NFT CO | Manufacturing | 0 | — | A |
| Nuclear Sources and Services, Inc. TX | Administrative & Waste Services | 0 | — | C |
| Nucleus RadioPharma, Inc. NC | Manufacturing | 1 | $120,000 | — |
| NucleusTeq, Inc. AZ | Professional & Technical Services | 3 | $143,333 | — |
| Nuco Painting Corp NY | Administrative & Waste Services | 0 | — | C |
| NuCO2, LLC FL | Wholesale Trade | 0 | — | A |
| NUCOAT MN | Manufacturing | 0 | — | A |
| Nucon Corporation MI | Manufacturing | 0 | — | A |
| Nuconic Packaging LLC CA | Manufacturing | 0 | — | F |
| Nuconic Packaging, LLC dba Easypak, LLC CA | Manufacturing | 0 | — | F |
| Nuconsteel TX | — | 0 | — | — |
| Nucor AZ | Manufacturing | 0 | — | A |
| Nucor CA | Manufacturing | 0 | — | A |
| Nucor IN | Manufacturing | 0 | — | A |
| Nucor OH | Manufacturing | 0 | — | A |
| Nucor TX | Transportation & Warehousing | 0 | — | A |
| Nucor UT | Manufacturing | 0 | — | B |
| NUCOR VA | Manufacturing | 0 | — | A |
| Nucor WI | Manufacturing | 0 | — | A |
| Nucor (Vulcraft Division) IN | Manufacturing | 0 | — | A |
| Nucor Building Systems IN | Manufacturing | 0 | — | B |
| Nucor Buildings Group AL | — | 0 | — | — |
| Nucor Buildings Group Texas Alabama AL | Manufacturing | 0 | — | F |
| Nucor Buildings Group West LLC CA | — | 0 | — | — |
| Nucor Business Technology, Inc. NC | Professional & Technical Services | 2 | $125,136 | — |
| Nucor Coatings Corporation AR | Manufacturing | 0 | — | A |
| Nucor Cold Finish Nebraska NE | Manufacturing | 0 | — | F |
| Nucor Construction Corp NY | Construction | 0 | — | A |
| 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 | 2 | $97,799 | A |
| Nucor Corporation NY | Manufacturing | 0 | — | B |
| Nucor Corporation SC | Manufacturing | 0 | — | C |
| Nucor Corporation WA | Manufacturing | 0 | — | A |
| Nucor Corporation, Nucor Steel Brandenburg KY | Manufacturing | 1 | $121,143 | — |
| NUCOR FASTENER IN | Manufacturing | 0 | — | B |
| Nucor Gallatin KY | Manufacturing | 0 | — | C |
