| AFAllen Family Foods, INC. Harbeson Plant | Harbeson | DE | Food Manufacturing311615 | — | ◐ LIKELY ACTIVE |
| DTDuhadaway Tool & Die Shop INC | Newark | DE | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| LRLiveo Research INC. | New Castle | DE | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
Noramco LLC | Wilmington | DE | Chemical Manufacturing325411 | 100-499 | ◐ LIKELY ACTIVE |
Sun Chemical | Newport | DE | Chemical Manufacturing325130 | 100-499 | ◐ LIKELY ACTIVE |
| CMCermet Materials INC | Wilmington | DE | Chemical Manufacturing325998 | 1-19 | ◐ LIKELY ACTIVE |
| JTJustin Tanks, LLC | Georgetown | DE | Plastics and Rubber Products Manufacturing326199 | 1-19 | ◐ LIKELY ACTIVE |
| MPMcclafferty Printing | Wilmington | DE | Chemical Manufacturing325222 | 20-99 | ◐ LIKELY ACTIVE |
| MMMetal Masters Foodservice Equipment CO. | Clayton | DE | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| STSepax Technologies, INC. | Newark | DE | Computer and Electronic Product Manufacturing334516 | 20-99 | ◐ LIKELY ACTIVE |
| UCUnited Cocoa Processor, INC. | Newark | DE | Food Manufacturing311351 | 20-99 | ◐ LIKELY ACTIVE |
| ATAearo Technologies LLC | Newark | DE | Plastics and Rubber Products Manufacturing326150 | — | ◐ LIKELY ACTIVE |
| ATAgilent Techs INC Newport Site | Newport | DE | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| ACAmerican Craft Brewery, LLC | Milton | DE | Beverage and Tobacco Product Manufacturing312120 | — | ◐ LIKELY ACTIVE |
| ASAshland Specialty Ingredients G.p. | Wilmington | DE | Chemical Manufacturing325000 | — | ◐ LIKELY ACTIVE |
| ASAwsm Solutions Delaware, LLC | Bear | DE | Chemical Manufacturing325320 | 20-99 | ◐ LIKELY ACTIVE |
| BHBeracah Homes INC | Greenwood | DE | Wood Product Manufacturing321992 | 20-99 | ◐ LIKELY ACTIVE |
| CICroda INC | New Castle | DE | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| DTDelstar Technologies INC | Middletown | DE | Plastics and Rubber Products Manufacturing326113 | 100-499 | ◐ LIKELY ACTIVE |
Hanover Foods CORP | Clayton | DE | Food Manufacturing311411 | — | ◐ LIKELY ACTIVE |
| HMHigh-tech Machine CO INC | Wilmington | DE | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| HIHirsh Industries INC | Dover | DE | Fabricated Metal Product Manufacturing332999 | 100-499 | ◐ LIKELY ACTIVE |
| HCHma Concrete LLC Dba Heritage Concrete Heald Street Facility | Wilmington | DE | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| IDIlc Dover LP | Frederica | DE | Miscellaneous Manufacturing339113 | 500+ | ◐ LIKELY ACTIVE |
| KCKeen Compressed Gas CO | New Castle | DE | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| MPMilford Processing Plant | Milford | DE | Food Manufacturing311615 | — | ◐ LIKELY ACTIVE |
| OCOrient Corporation of America | Seaford | DE | Chemical Manufacturing325130 | — | ◐ LIKELY ACTIVE |
| PMPrince Minerals LLC | New Castle | DE | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| SWSea Watch International, LTD | Milford | DE | Food Manufacturing311710 | — | ◐ LIKELY ACTIVE |
| UDUS Dod Usaf Dover Afb | Dover | DE | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| AHAllen Harim Farms Llc- Seaford Mill | Seaford | DE | Food Manufacturing311119 | — | ◐ LIKELY ACTIVE |
| AHAllen Harim - Pinnacle Processing Plant-treatment Plant | Millsboro | DE | Food Manufacturing311421 | — | ◐ LIKELY ACTIVE |
| AHAllen's Hatchery INC (allens Delmar Milling) | Delmar | DE | Food Manufacturing311119 | — | ◐ LIKELY ACTIVE |
| BABaltimore Aircoil CO | Milford | DE | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| CWColor Works Painting - Edwards Avenue | New Castle | DE | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| DPDatwyler Pharma Packaging Usa, Inc./project Pacer | Middletown | DE | Plastics and Rubber Products Manufacturing326299 | 100-499 | ◐ LIKELY ACTIVE |
Dentsply Sirona | Milford | DE | Miscellaneous Manufacturing339114 | — | ◐ LIKELY ACTIVE |
| FSF & S Boatworks, INC. | Bear | DE | Chemical Manufacturing325222 | 20-99 | ◐ LIKELY ACTIVE |
| IIIntervet INC. | Millsboro | DE | Chemical Manufacturing325414 | — | ◐ LIKELY ACTIVE |
| JPJohnson Polymer INC | Seaford | DE | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| MLMedal L.p., Air Liquide | Newport | DE | Chemical Manufacturing325220 | — | ◐ LIKELY ACTIVE |
| MFMountaire Farms INC. - Selbyville Processing | Selbyville | DE | Food Manufacturing311615 | — | ◐ LIKELY ACTIVE |
| MFMountaire Farms of Delaware | Millsboro | DE | Food Manufacturing311119 | — | ◐ LIKELY ACTIVE |
| MFMountaire Farms of Delmarva - Frankford Feed Mill | Frankford | DE | Food Manufacturing311119 | — | ◐ LIKELY ACTIVE |
| NRNexpera - Red Lion Plant | New Castle | DE | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
| OSOwen Steel Company | Wilmington | DE | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| PFPerdue Farms, INC. | Georgetown | DE | Food Manufacturing311615 | — | ◐ LIKELY ACTIVE |
| RARohm and Haas Electronic Materials Cmp INC | Newark | DE | Textile Mills313320 | — | ◐ LIKELY ACTIVE |
| SPSpi Pharma INC | Lewes | DE | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| TPThe Pictsweet Company | Bridgeville | DE | Food Manufacturing311411 | — | ◐ LIKELY ACTIVE |