| P6Phillips 66 | Wilmington | CA | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| P6Phillips 66 CO Lar - Trapac Line Inspections | Wilmington | CA | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| PDPolyguard Division of Dyk Automotive, LLC | Wilmington | DE | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| PAPremier Architectural Sheet Metal LLC | Wilmington | DE | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| PPPro Packing, INC. | Wilmington | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| PIPropel INC. | Wilmington | CA | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| RLRenewable Logistics Systems, LLC | Wilmington | NC | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| RIRox Inc. | Wilmington | NC | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| RCRoyce Company | Wilmington | NC | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| SPSan Pedro Sign Company | Wilmington | CA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| SISepor INC | Wilmington | CA | Machinery Manufacturing333519 | — | ◇ UNVERIFIED |
| SSSerpe & Sons, Inc. | Wilmington | DE | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| SIServmax, INC. | Wilmington | NC | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SCSesco Cement | Wilmington | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| SCSg Chassis Company LLC | Wilmington | CA | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| SLShadow Lake Resort | Wilmington | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| SSignarama | Wilmington | NC | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| SISilas INC | Wilmington | CA | Food Manufacturing311830 | — | ◇ UNVERIFIED |
| SMSpectra Medical Devices | Wilmington | MA | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| SGStandard Glass Company | Wilmington | NC | Nonmetallic Mineral Product Manufacturing327211 | — | ◇ UNVERIFIED |
| SSSteel Suppliers Erectors INC. | Wilmington | DE | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| STS. T. Wooten Corporation | Wilmington | NC | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| STSwanderful Too, LLC | Wilmington | DE | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| TSThe Sign Company of Wilmington, Inc | Wilmington | NC | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| TWThe Wilmington Iron and Metal Company, Inc. | Wilmington | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| TSThree Step Sports | Wilmington | MA | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/pier a West | Wilmington | CA | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| TLTimbertech LTD. | Wilmington | OH | Plastics and Rubber Products Manufacturing326130 | — | ◇ UNVERIFIED |
| TRTires Road Service | Wilmington | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| TRTosco Refining Company | Wilmington | CA | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| THTradewest Hardwood CO | Wilmington | CA | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| UIUltramar INC | Wilmington | CA | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| USUnited Shoe Machinery Corporation | Wilmington | MA | Machinery Manufacturing333298 | — | ◇ UNVERIFIED |
| UUnocal | Wilmington | CA | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| UOUsdol Osha - Raleigh Ao | Wilmington | NC | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| VCVacant Commercial Building (former Machine Shop) | Wilmington | CA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| VRVertex Railcar Corporation | Wilmington | NC | Transportation Equipment Manufacturing336510 | — | ◇ UNVERIFIED |
| WSWalan Specialty Construction Products, LLC | Wilmington | DE | Petroleum and Coal Products Manufacturing324199 | — | ◇ UNVERIFIED |
| WMWaste Management | Wilmington | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| WIWaterman's Inc | Wilmington | NC | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| WCWest Coast Aerospace INC | Wilmington | CA | Fabricated Metal Product Manufacturing332722 | — | ◇ 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 |
| WMWilmington Machinery Incorporated | Wilmington | NC | Machinery Manufacturing333220 | — | ◇ UNVERIFIED |
| WWWilmington Woodworks INC | Wilmington | CA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| WFWorld Food Processing LLC Dba Puris | Wilmington | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| YEYildiz Entegre Usa, INC. | Wilmington | NC | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| ZLZeskp LLC Dba Indians Spring Water Company & Ez Be | Wilmington | NC | Beverage and Tobacco Product Manufacturing312112 | — | ◇ UNVERIFIED |
