| ATAamco Transmissions | Dover | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| AMAllan Myers, Delaware, INC - Dover | Dover | DE | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ACAtlantic Coast Environmental - 225 State College, Dover | Dover | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| ABAuto Body Supply | Dover | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| BOBradford Orthopedics | Dover | DE | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| CCCoastal Coating | Dover | DE | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| CCCoker Concrete | Dover | DE | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| DSDelaware Storage and Pipeline Company | Dover | DE | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| DSDelaware Support Operations | Dover | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| DODover (city Of) Water Treatment Plant - 802 Long Point Rd, Dover | Dover | DE | Chemical Manufacturing325222 | — | ◇ UNVERIFIED |
| DRDow Reichhold Specialty Latex LLC (closed) | Dover | DE | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| EPEdgewell Personal Care | Dover | DE | Paper Manufacturing322291 | — | ◇ UNVERIFIED |
| EPEdgewell Personal Care - Plant 4 | Dover | DE | Paper Manufacturing322291 | — | ◇ UNVERIFIED |
| HIHanesbrands INC | Dover | DE | Textile Mills313220 | — | ◇ UNVERIFIED |
| OCOutlaw Customs - 16 Lincoln St, Dover | Dover | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| PBPeppers Body Works | Dover | DE | Chemical Manufacturing325222 | — | ◇ UNVERIFIED |
| PPPlaytex Products INC | Dover | DE | Paper Manufacturing322291 | — | ◇ UNVERIFIED |
| PIPpg Industries Architectural Finishes | Dover | DE | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| QAQuality Auto Care - 700 Forest St, Dover | Dover | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| SCShooters Choice - 5105 North Dupont Highway, Dover | Dover | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| SOSquare One Electric Service - 347 Fork Branch Rd, Dover | Dover | DE | Chemical Manufacturing325222 | — | ◇ UNVERIFIED |
| SOState of Delaware Graphics & Printing - 604 Otis Dr, Dover | Dover | DE | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| SASumpter Auto Refinishing | Dover | DE | Chemical Manufacturing325222 | — | ◇ UNVERIFIED |
| SSSunoco Service Station | Dover | DE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| TMTri-county Materials | Dover | DE | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| VDVerizon Dover Soc | Dover | DE | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| AMAllan Myers Delaware, INC. - Bay Road | Dover | DE | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| DPDans Pallet | Dover | DE | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| DDover | Dover | DE | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| FIFfi Ionix | Dover | DE | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| FSFirst State Signs, INC. | Dover | DE | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| JIJC Investments LLC | Dover | DE | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| JIJC Investments LLC | Dover | DE | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| KHKraft Heinz Foods Company | Dover | DE | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| PIPpg Industries, INC. | Dover | DE | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| TDTilcon Delaware - Horsepond Road | Dover | DE | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| UWUni Wear, Inc. | Dover | DE | Leather and Allied Product Manufacturing316210 | — | ◇ UNVERIFIED |
