| SCShadow Cider Co. | Russell, PA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SDSlopeside Distillery | Youngsville, PA | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| TPTargeted Pet Treats, LLC | Warren, PA | Food Manufacturing311111 | 100–499 | ◐ LIKELY ACTIVE |
| URUnited Refining Company | Warren, PA | Petroleum and Coal Products Manufacturing324110 | 500+ | ◐ LIKELY ACTIVE |
| WDWeidner's Deli / Genuine Jerky Inc. | Youngsville, PA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| WWWencil's Welding and Machine Shop LLC | Pittsfield, PA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| WIWhirley Industries - Bakery Building | Warren, PA | Plastics and Rubber Products Manufacturing326199 | 100–499 | ◐ LIKELY ACTIVE |
| WIWhirley Industries - Harmar Facility | Warren, PA | Plastics and Rubber Products Manufacturing326199 | 100–499 | ◐ LIKELY ACTIVE |
| WIWhirley Industries - Molding Building | Warren, PA | Plastics and Rubber Products Manufacturing326199 | 20–99 | ◐ LIKELY ACTIVE |
| AVAllegheny Valve and Coupling Company INC. | Warren, PA | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| FSFrank Suppa Lumber Company | Warren, PA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| MUMauser Usa, LLC | Warren, PA | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| MIMoldsmith, INC. | Warren, PA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| SISkylon INC | Sugar Grove, PA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| WPWest Penn Oil CO INC 130130 | Warren, PA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| WDWhirley Drink Works | Warren, PA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
