 Siemens Healthcare Diagnostics, INC. | Newark | DE | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
| SSign-a-rama | Newark | DE | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| SSSir Speedy of Newark | Newark | DE | Printing and Related Support Activities323115 | — | ◇ UNVERIFIED |
| SLSmile LLC | Newark | DE | Miscellaneous Manufacturing339116 | — | ◇ UNVERIFIED |
| SFSpatz Fiberglass Products | New Castle | DE | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| SSSteel Suppliers Erectors INC. | Wilmington | DE | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| SEStephen Enterprises INC | Bridgeville | DE | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| STSwanderful Too, LLC | Wilmington | DE | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| SSSwartzentruber Sawmill Company | Hartly | DE | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SCSyntec CORP | New Castle | DE | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| TPTechmer Pm | New Castle | DE | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| TDTilcon Delaware - Horsepond Road | Dover | DE | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| TFTri-state Fabrication & Machining, LLC | Newark | DE | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| TITRMM Industries | Milford | DE | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| TGTroy Granite INC. | Newark | DE | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| TFTyson F. Sartin, INC. | Saint Georges | DE | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| UWUni Wear, Inc. | Dover | DE | Leather and Allied Product Manufacturing316210 | — | ◇ UNVERIFIED |
| VIVeltec INC | Newark | DE | Chemical Manufacturing325212 | — | ◇ UNVERIFIED |
| VFVersogen - Fmc - S115 | Newark | DE | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| WSWalan Specialty Construction Products, LLC | Wilmington | DE | Petroleum and Coal Products Manufacturing324199 | — | ◇ UNVERIFIED |
| WNWilliam N. Cann, INC. | Wilmington | DE | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| WBWilmington Brew Works, LLC | Wilmington | DE | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| WFWilmington Fibre Specialty Company, INC. | New Castle | DE | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
