| 3D Industrial Services LLC TX | Professional & Technical Services | 0 | — | A |
| 3D Instruments, LP CA | — | 0 | — | — |
| 3D Machine, Inc. IN | Manufacturing | 0 | — | A |
| 3D PLASTICS OR | Manufacturing | 0 | — | F |
| 3D Stone IN | Manufacturing | 0 | — | B |
| 3D Systems CA | Manufacturing | 0 | — | A |
| 3D Systems CO | Manufacturing | 0 | — | B |
| 3D Systems NC | Manufacturing | 0 | — | A |
| 3D Systems OR | Manufacturing | 0 | — | A |
| 3D Systems PA | Manufacturing | 0 | — | A |
| 3D Systems TN | — | 0 | — | — |
| 3D Systems TX | Manufacturing | 0 | — | A |
| 3D Systems VA | Manufacturing | 0 | — | A |
| 3D Systems, Inc. SC | Manufacturing | 7 | $132,718 | B |
| 3D TECHNOLOGIES LLC NE | Professional & Technical Services | 7 | $66,916 | — |
| 3D TECHNOLOGIES LLC OK | Professional & Technical Services | 1 | $59,488 | — |
| 3D TECHNOLOGIES LLC TX | Professional & Technical Services | 18 | $79,518 | — |
| 3E COMPANY ENVIRONMENTAL ECOLOGICAL CA | Professional & Technical Services | 0 | — | A |
| 3E COMPANY ENVIRONMENTAL ECOLOGICAL CO | Professional & Technical Services | 0 | — | A |
| 3E COMPANY ENVIRONMENTAL ECOLOGICAL MD | Professional & Technical Services | 0 | — | F |
| 3E COMPANY ENVIRONMENTAL ECOLOGICAL NV | Professional & Technical Services | 0 | — | A |
| 3E COMPANY ENVIRONMENTAL ECOLOGICAL OH | Professional & Technical Services | 0 | — | A |
| 3E Contracting, LLC TX | Construction | 0 | — | A |
| 3E Logistics NJ, Inc NJ | Transportation & Warehousing | 0 | — | C |
| 3E Management LLC TX | Administrative & Waste Services | 1 | $75,000 | — |
| 3EDGEUSA GROUP LLC NJ | Professional & Technical Services | 2 | $110,000 | — |
| 3form NC | Manufacturing | 0 | — | F |
| 3form UT | Manufacturing | 0 | — | A |
| 3form WA | Manufacturing | 0 | — | A |
| 3Frames Software Services Corp CA | Professional & Technical Services | 1 | $130,042 | — |
| 3G Logistics LLC VA | Transportation & Warehousing | 0 | — | F |
| 3G Warehouse, Inc. NJ | Transportation & Warehousing | 0 | — | B |
| 3G Warehouse, Inc. NY | Transportation & Warehousing | 0 | — | A |
| 3H FARMS, INC LA | Transportation & Warehousing | 0 | — | A |
| 3i INFOTECH, INC. NJ | Professional & Technical Services | 52 | $92,009 | — |
| 3IC RESEARCH LLC MA | Professional & Technical Services | 1 | $108,000 | — |
| 3iGeeks LLC LA | Professional & Technical Services | 1 | $108,850 | — |
| 3J Fuel Carriers LLC KS | Transportation & Warehousing | 0 | — | A |
| 3Js Masonry Corp NJ | Construction | 0 | — | F |
| 3JS Restoration Inc NY | Construction | 0 | — | F |
| 3K TECHNOLOGIES LLC CA | Professional & Technical Services | 9 | $114,920 | — |
| 3Key Consulting, Inc. CA | Professional & Technical Services | 3 | $83,200 | — |
| 3LS Inc TN | Administrative & Waste Services | 0 | — | A |
| 3LS Properties TN | Real Estate | 0 | — | A |
| 3LS Ventures TN | Administrative & Waste Services | 0 | — | A |
| 3M IL | Administrative & Waste Services | 0 | — | D |
| 3M & RM LLC NJ | Retail Trade | 0 | — | A |
| 3M - HQ MN | — | 0 | — | — |
| 3M 2019 MN | — | 0 | — | — |
| 3M Company AL | Manufacturing | 0 | — | D |