| DCDana Container, INC. | Wilmington | DE | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| DLDentsply, LLC | Milford | DE | Miscellaneous Manufacturing339114 | — | ◐ LIKELY ACTIVE |
| DMDiamond Materials LLC | Wilmington | DE | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| DSDiamond State Port Corporation - R/r Flood Controls | Wilmington | DE | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| DSDonovan Salvage Works INC | Georgetown | DE | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| DTDuhadaway Tool & Die Shop INC | Newark | DE | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| EDE.i Dupont De Nemours and Company | Wilmington | DE | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
| EDE.i. Du Pont De Nemours & Company | Newark | DE | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| EIE I Dupont De Nemours - Experimental Station | New Castle | DE | Chemical Manufacturing325222 | — | ◐ LIKELY ACTIVE |
| FCFmc Corporation | Newark | DE | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
General Chemical Corporation (closed) | Claymont | DE | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
Hanover Foods Corporation | Clayton | DE | Food Manufacturing311421 | — | ◐ LIKELY ACTIVE |
| IDIlc Dover, LP - Frederica | Frederica | DE | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| ICIndustraplate CORP | Wilmington | DE | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| IRIndustrial Resources Network,llc | Wilmington | DE | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| ISInvista S.a.r.l. Seaford Plant | Seaford | DE | Chemical Manufacturing325220 | — | ◐ LIKELY ACTIVE |
| KHK & H Auto Body | Newark | DE | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| KFKraft Foods INC. | Dover | DE | Food Manufacturing311999 | — | ◐ LIKELY ACTIVE |
| LRLiveo Research INC. | Delaware City | DE | Plastics and Rubber Products Manufacturing326112 | — | ◐ LIKELY ACTIVE |
| MCM Cubed Technologies | Newark | DE | Nonmetallic Mineral Product Manufacturing327110 | — | ◐ LIKELY ACTIVE |
| NMNanticoke Memorial Hospital | Seaford | DE | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| NNuturell | Wilmington | DE | Chemical Manufacturing325612 | — | ◐ LIKELY ACTIVE |
| PGPhiladelphia Gear | New Castle | DE | Machinery Manufacturing333612 | — | ◐ LIKELY ACTIVE |
| RARiver Asphalt | Dagsboro | DE | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| RIRiver Ii LLC | Delmar | DE | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| SASatys Aftermarket Delaware LLC | New Castle | DE | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| SBSimmons Bridgeville | Bridgeville | DE | Food Manufacturing311111 | — | ◐ LIKELY ACTIVE |
| SVStratis Visuals LLC | Newark | DE | Printing and Related Support Activities323111 | — | ◐ LIKELY ACTIVE |
| SSSummit Steel, INC. | New Castle | DE | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| TITA Instruments- New Castle | New Castle | DE | Computer and Electronic Product Manufacturing334516 | 100-499 | ◐ LIKELY ACTIVE |
| WPWilmington Pharmatech Company - Pencader - 229a Lake Dr, Newark | Newark | DE | Chemical Manufacturing325411 | — | ◐ LIKELY ACTIVE |
| AIAdesis, INC. | New Castle | DE | Chemical Manufacturing325320 | — | ◐ LIKELY ACTIVE |
| BCBasf Colors and Effects Usa, LLC | Newport | DE | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| BGBoc Gases | Claymont | DE | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
| COCity of Wilmington Water Pollution Control Fac. | Wilmington | DE | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| DMDagsboro Materials/division of Haines & Kibbleho | Millsboro | DE | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| DPDatwyler Pharma Packaging Usa, Inc./project Pacer | Middletown | DE | Plastics and Rubber Products Manufacturing326299 | — | ◐ LIKELY ACTIVE |
| DHDelaware Health & Social Services - Herman Holloway Campus | New Castle | DE | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| ECEvraz Claymont Steel | Claymont | DE | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| FAFisker Automotive, INC. | Wilmington | DE | Transportation Equipment Manufacturing336110 | — | ◐ LIKELY ACTIVE |
| FFoodliner | Newark | DE | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| FFuji | New Castle | DE | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| GIGardner-gibson INC. | Seaford | DE | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| IPIko Production Wilmington INC. | Wilmington | DE | Petroleum and Coal Products Manufacturing324122 | — | ◐ LIKELY ACTIVE |
| ICIndependence Construction Materials (icm | Georgetown | DE | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| ISIntercontinental Services of Delaware | Wilmington | DE | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
| IPInternational Petroleum CORP | Wilmington | DE | Petroleum and Coal Products Manufacturing324110 | — | ◐ LIKELY ACTIVE |
| JNJax N Daisy, INC. | Dover | DE | Chemical Manufacturing325620 | — | ◐ LIKELY ACTIVE |
| LRLincoln Ready Mix Concrete | Lincoln | DE | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| MOMerit Oil CO | New Castle | DE | Chemical Manufacturing325222 | — | ◐ LIKELY ACTIVE |