| SAShepherd Aluminum Inc | Hanover, PA | Primary Metal Manufacturing331315 | — | ◇ UNVERIFIED |
| SIShiloh Industries, LLC | New Freedom, PA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| SIShiloh Industries, LLC | Dover, PA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| SOSign of the Horse Brewery, Inc. | Hanover, PA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| SOSign of the Horse Brewery, INC | Hanover, PA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| SSkfisc | York, PA | Machinery Manufacturing333613 | — | ◇ UNVERIFIED |
| SPSk Pallet INC. | York, PA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| SFSpecialty Fabricators INC. | York, PA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| SISpecialty Industries, INC. | Red Lion, PA | Paper Manufacturing322212 | — | ◇ UNVERIFIED |
| STSpotted Tongue Woodworking LLC | Dillsburg, PA | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| SASusquehanna Apparel | York, PA | Apparel Manufacturing315990 | — | ◇ UNVERIFIED |
| SUSyncreon US | York, PA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| SISyncreon.us INC. | York, PA | Transportation Equipment Manufacturing336991 | — | ◇ UNVERIFIED |
| TCTecni-die CO INC | New Freedom, PA | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| TSTemtco Steel LLC | York, PA | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| TRTheatre Rd Prop | Glen Rock, PA | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| TITotal Identity Solutions, LLC | Spring Grove, PA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| TMTrans/air Manufacturing Corporation | Dallastown, PA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| TWTrelleborg Wheel Systems | Red Lion, PA | Plastics and Rubber Products Manufacturing326211 | — | ◇ UNVERIFIED |
| UWUnited Weld Services, LLC | York, PA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| UDU.s. Dol Osha | York, PA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| UDU.s. Dol Osha | York Haven, PA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| UOUsdol Osha | York, PA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| WHWire Holdings Company INC. | York, PA | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| YAYork Automotive Welding & Fabrication LLC | York, PA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| YCYork Concrete Company | York, PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| YHYork Haven Fabricators, INC. | York Haven, PA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| YMYork Materials Group Llc/ Baker Quarry Asphalt | York, PA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| YMYork Materials Group Llc/thomasville Asphalt | Thomasville, PA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
