| DCDover Chemical Corporation | Dover | OH | Chemical Manufacturing325181 | 100-499 | ● ACTIVE |
 Snyder Manufacturing INC. | Dover | OH | Textile Mills313320 | 20-99 | ● ACTIVE |
| ACArizona Chemical Company, LLC | Dover | OH | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| SCScimedx Corporation | Dover | NJ | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
| JNJax N Daisy, INC. | Dover | DE | Chemical Manufacturing325620 | — | ◐ LIKELY ACTIVE |
| BOBradford Orthopedics | Dover | DE | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| DLDeflecto LLC | Dover | OH | Chemical Manufacturing325211 | — | ◇ 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 - Plant 4 | Dover | DE | Paper Manufacturing322291 | — | ◇ UNVERIFIED |
| PBPeppers Body Works | Dover | DE | Chemical Manufacturing325222 | — | ◇ UNVERIFIED |
| PIPpg Industries Architectural Finishes | Dover | DE | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| SVSpring Valley Mulch | Dover | PA | Chemical Manufacturing325510 | — | ◇ 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 |
| UIUraseal INC | Dover | NH | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| VDVerizon Dover Soc | Dover | DE | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| MCMid-atlantic Clean Hydrogen Hub, INC. | Dover | DE | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
| MNMina Nj, LLC | Dover | NJ | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| CCChemtreat C/o Tyler Moving and Storage | Dover | OH | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| DCDover Chemical CORP (0679010132) | Dover | OH | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| FIFfi Ionix | Dover | DE | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| IRIofina Resources, INC. (i011) | Dover | OK | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PIPpg Industries, INC. | Dover | DE | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
