| SWShearer's Waterford Plant - Wastewater Force Main | Waterford, Township of, PA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| S4Signs 4 Less, INC. | Erie, PA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| SHSigns Here, INC. | Erie, PA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| SSSpiral Stairs of America, LLC | Erie, PA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| SDSterling Dula, a Division of Kane Innovations | Erie, PA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| STSterling Technologies, INC. | Lake City, PA | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| STSubcon Tool Accutool Machine Group INC | Erie, PA | Fabricated Metal Product Manufacturing332119 | — | ◇ UNVERIFIED |
| SBSuperior Bronze CORP | Erie, PA | Primary Metal Manufacturing331522 | — | ◇ UNVERIFIED |
| SISwissaero, INC. | Waterford, PA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| TTTech Tank LLC | Erie, PA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| TTTetra Tool Company | Erie, PA | Machinery Manufacturing333511 | — | ◇ UNVERIFIED |
| TIThornton Industries, INC. | Albion, PA | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| TTTriangle Tool Company | Erie, PA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| TNTwisted Nuce Brewery LLC | Lake City, PA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| TNTwisted Nuce Brewery LLC | Lake City, PA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| TSTwo Sparrows Learning Systems, Inc. | Erie, PA | Miscellaneous Manufacturing339940 | — | ◇ UNVERIFIED |
| UTUltimate Tool, INC | Erie, PA | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| VFValue Flow Group Inc | Erie, PA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| VMVip Machining INC. | Corry, PA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| WSWarren Steel Products, INC. | Erie, PA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| XTX-cell Tool & Mold, INC | Fairview, PA | Machinery Manufacturing333249 | — | ◇ UNVERIFIED |
