| MTMarine Technical Services | Wilmington | CA | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| MCMartin Container Service INC | Wilmington | CA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| MAMerkin Auto Spring CO INC | Wilmington | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| MIMks Instruments | Wilmington | MA | Computer and Electronic Product Manufacturing334519 | — | ◇ UNVERIFIED |
| MPModern Press INC | Wilmington | DE | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| PSPaint Steel Structure | Wilmington | CA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| PCPaul Campanella's Auto and Tire Center | Wilmington | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| PTPolymer Technology | Wilmington | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| PIPraxair Incorporated | Wilmington | NC | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| PAPreston Auto Body of Wilmington | Wilmington | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| RCRainbow Cleaners | Wilmington | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete Company | Wilmington | NC | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SCSanmina CORP | Wilmington | MA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| SSSas Solar | Wilmington | NC | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| STSeiberlich Trane Service | Wilmington | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| SCSeymours Cleaners | Wilmington | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| SGS & G Prestress Company | Wilmington | NC | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SLShadow Lake Resort | Wilmington | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| S1Shell 1416 - Talleyville | Wilmington | DE | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| SHShellhorn & Hill a Street Terminal | Wilmington | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| SLSolenis, LLC | Wilmington | DE | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
Southern States Chemical | Wilmington | NC | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| SWSun Way Forest Products | Wilmington | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| TCTerex Cranes Wilmington, INC. | Wilmington | NC | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| TCTowne & Country Cleaners, INC | Wilmington | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| WLWaters Lithograph | Wilmington | MA | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| WPWilmington Piece Dye CO. (closed) | Wilmington | DE | Textile Mills313310 | — | ◇ UNVERIFIED |
| WWWm Wilmington Hauling - Meter 2 | Wilmington | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| WBWorthy Brothers Pipeline CO | Wilmington | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| AIAmerican Insert Flange Company, Inc. | Wilmington | DE | Fabricated Metal Product Manufacturing332919 | 1-19 | ◇ UNVERIFIED |
| ASAmerican Striking Tool, Inc | Wilmington | NC | Fabricated Metal Product Manufacturing332312 | 1-19 | ◇ UNVERIFIED |
| AIAt-chem INC | Wilmington | OH | Chemical Manufacturing325611 | 1-19 | ◇ UNVERIFIED |
| CRCharles River Laboratories | Wilmington | MA | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◇ UNVERIFIED |
| CMChurchmen's Machine Company | Wilmington | DE | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| GTGroup Three, Inc | Wilmington | DE | Wood Product Manufacturing321918 | 1-19 | ◇ UNVERIFIED |
| HGHowarth Granite Holdings LLC | Wilmington | DE | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◇ UNVERIFIED |
| MFMarine Fender Int'l, INC. | Wilmington | CA | Transportation Equipment Manufacturing336370 | 20-99 | ◇ UNVERIFIED |
| MPMb Ppf 2, LLC | Wilmington | DE | Food Manufacturing311812 | 1-19 | ◇ UNVERIFIED |
| NCNye's Cream Sandwiches, LLC | Wilmington | NC | Food Manufacturing311520 | 1-19 | ◇ UNVERIFIED |
| PPPro Packing, INC. | Wilmington | CA | Wood Product Manufacturing321920 | 20-99 | ◇ UNVERIFIED |
| RPRT Process LLC | Wilmington | OH | Chemical Manufacturing325998 | 1-19 | ◇ UNVERIFIED |
| SPSan Pedro Sign Company | Wilmington | CA | Miscellaneous Manufacturing339950 | 1-19 | ◇ UNVERIFIED |
| SISepor INC | Wilmington | CA | Machinery Manufacturing333519 | 1-19 | ◇ UNVERIFIED |
| SSSerpe & Sons, Inc. | Wilmington | DE | Food Manufacturing311811 | 20-99 | ◇ UNVERIFIED |
| TSThe Sign Company of Wilmington, Inc | Wilmington | NC | Miscellaneous Manufacturing339950 | 1-19 | ◇ UNVERIFIED |
| UTUnited Tool & Machine Corpora | Wilmington | MA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◇ UNVERIFIED |
| WIWaterman's Inc | Wilmington | NC | Beverage and Tobacco Product Manufacturing312120 | 20-99 | ◇ UNVERIFIED |
| WWWilmington Woodworks INC | Wilmington | CA | Wood Product Manufacturing321920 | 1-19 | ◇ UNVERIFIED |
| 1C128127 - Cape Fear Precast, LLC | Wilmington | NC | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| 1A128184 - American Stone Ventures INC. Dba American Granite | Wilmington | NC | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |