| CCCrowell Corporation | Newport | DE | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| ABAllen Body Works INC | Laurel | DE | Miscellaneous Manufacturing339112 | 1-19 | ◇ UNVERIFIED |
| PWPotts Welding and Boiler Repair CO. | Newark | DE | Fabricated Metal Product Manufacturing332996 | 20-99 | ◇ UNVERIFIED |
| STStandard Technologies & Machine CO | Wilmington | DE | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| TSTupp Signs INC | New Castle | DE | Miscellaneous Manufacturing339950 | 1-19 | ◇ UNVERIFIED |
| ATAamco Transmissions | Dover | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| AMA-bills Mower Parts & Svcs | Rising Sun - Lebanon | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| AIAdesis, INC. | New Castle | DE | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| AMAig Marketing - 3 Beaver Valley Rd, Wilmington | Wilmington | DE | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| ALAir Liquide Industrial US LP | Delaware City | DE | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| APAir Products New Castle De H2 Plant | Delaware City | DE | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| ACAkzo Chemicals INC. | Delaware City | DE | Chemical Manufacturing325000 | — | ◇ UNVERIFIED |
| AWAlanx Wear Solutions INC | Newark | DE | Chemical Manufacturing325222 | — | ◇ UNVERIFIED |
| ADAlderman Datsun | New Castle | DE | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| AMAllan Myers, Delaware, INC - Dover | Dover | DE | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| AAAll-tech Autobody | Townsend | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| ASAmazon.com Services LLC. | Middletown | DE | Printing and Related Support Activities323117 | — | ◇ UNVERIFIED |
| AAAmerican Air Liquide-glasgow | Newark | DE | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| AIAmetek Inc., Chemical Products Division | Wilmington | DE | Textile Mills313221 | — | ◇ UNVERIFIED |
| AAmoco #5185 | Newark | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| AGAny Garment Cleaners #106 | Wilmington | DE | Chemical Manufacturing325222 | — | ◇ UNVERIFIED |
| ACArch Chemicals INC | New Castle | DE | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| AWArtesian Water Company | Newark | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| APAstrazeneca Pharmaceuticals, Llc-newark | Newark | DE | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| AIAstropower INC Solar Park | Newark | DE | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| ACAtlantic Coast Environmental - 225 State College, Dover | Dover | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| AAAurora Agronomy | Seaford | DE | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| ABAuto Body Supply | Dover | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| ARAutomotive Restoration | Bear | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| BCBasf Colors and Effects Usa, LLC | Newport | DE | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| BEBeazer East, INC. & Dupont | Newport | DE | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| BABernies Automotive | Middletown | DE | Chemical Manufacturing325222 | — | ◇ UNVERIFIED |
| BSBest Stone Works of De, LLC | Wilmington | DE | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◇ UNVERIFIED |
| BCBill Cannons Garage INC | Selbyville | DE | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| BWBj's Wholesale Club #0178 | Newark | DE | Chemical Manufacturing325222 | — | ◇ UNVERIFIED |
| BEBloom Energy Manufacturing Center Delaware | Newark | DE | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◇ UNVERIFIED |
 Bloom Energy - Plant #7 | Newark | DE | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◇ UNVERIFIED |
| BSBlue Swan Wilmington | Wilmington | DE | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| BGBoc Gases | Claymont | DE | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| BOBradford Orthopedics | Dover | DE | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| BIBruce Industrial CO INC | New Castle | DE | Chemical Manufacturing325222 | — | ◇ UNVERIFIED |
| CBCarmines Body Shop INC | Wilmington | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| CEChemical Equipment Labs, INC. | Wilmington | DE | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| CEChemours - Edge Moor Plant | Wilmington | DE | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| CBChiquita Brands | Wilmington | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| CMChristiana Materials | Christiana | DE | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CDChrome Deposit Corporation | Newark | DE | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CLChrysler , LLC | Newark | DE | Transportation Equipment Manufacturing336110 | — | ◇ UNVERIFIED |
| CCClariant CORP Masterbatch Div | Milford | DE | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| CCCoastal Coating | Dover | DE | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
