| TDThales Dis USA INC / Montgomeryville | Montgomeryville | — | ◐ LIKELY ACTIVE |
| TWTrans Western Polymers/tidewood Ind Park | Tamaqua | — | ◐ LIKELY ACTIVE |
| TPTrinity Plastics | Lewistown | 100–499 | ◐ LIKELY ACTIVE |
| VIValmet Inc/clarks Summit Svc Ctr | Clarks Summit | — | ◐ LIKELY ACTIVE |
| VTView Thru Technologies, INC. | Quakertown | 20–99 | ◐ LIKELY ACTIVE |
Westlake Plastics Co/mayfield | Mayfield | — | ◐ LIKELY ACTIVE |
| ARAdvansix Resins & Chemicals LLC | Pottsville | — | ◐ LIKELY ACTIVE |
| AHAll-american Hose Acquisition, LLC | Union City | — | ◐ LIKELY ACTIVE |
| APAltium Pkg LLC | Berwick | — | ◐ LIKELY ACTIVE |
| AIArbco Industries INC | Export | — | ◐ LIKELY ACTIVE |
| AWArmstrong World Industries, INC. | Lancaster | — | ◐ LIKELY ACTIVE |
| BPBerry Plastics Corp/erie | Erie | — | ◐ LIKELY ACTIVE |
| BABobs Auto Repair | Malvern | — | ◐ LIKELY ACTIVE |
| BCBrandywine Coach Works | Exton | — | ◐ LIKELY ACTIVE |
| BIBrentwood Ind Lebanon Plastic Extrusion Plt | Lebanon | — | ◐ LIKELY ACTIVE |
| BHBryn Hill Ind | Holmes | — | ◐ LIKELY ACTIVE |
| BPBway Pkg Div Bway CORP York Can Plt | York | — | ◐ LIKELY ACTIVE |
| CCaplugs | Erie | — | ◐ LIKELY ACTIVE |
| CCContinental Can CO | Oil City | — | ◐ LIKELY ACTIVE |
| CMControlled Molding | Hadley | 20–99 | ◐ LIKELY ACTIVE |
| CACrazy Aaron Enterprises/norristown | Norristown | — | ◐ LIKELY ACTIVE |
| DVDelaware Valley Custom Marble Inc/glenmar Mfg | West Grove | — | ◐ LIKELY ACTIVE |
| DSDielectric Solutions LLC | Kittanning | — | ◐ LIKELY ACTIVE |
Donaldson CO INC | Feasterville | — | ◐ LIKELY ACTIVE |
| DFDrew Foam Companies Inc/allentown | Allentown | — | ◐ LIKELY ACTIVE |
| EWEastern Web Handling/ivyland | Ivyland | — | ◐ LIKELY ACTIVE |
| EAEdlon Avondale Fac | Avondale | — | ◐ LIKELY ACTIVE |
| ELEquitrans Lp/truittsburg Sta | Fairmount City | — | ◐ LIKELY ACTIVE |
| FIFenner INC | Lancaster | — | ◐ LIKELY ACTIVE |
| FFFoam Fabricators | Bloomsburg | — | ◐ LIKELY ACTIVE |
| FEFormtech Enterprises, INC. | Fairview | 20–99 | ◐ LIKELY ACTIVE |
| GPGraham Pkg CO INC Plant 150 | West Hazleton | — | ◐ LIKELY ACTIVE |
| GRGraham Recycling Plt | York | — | ◐ LIKELY ACTIVE |
| JJeld-wen | Ringtown | — | ◐ LIKELY ACTIVE |
| MAMari-al Auto Body/collegeville | Graterford | — | ◐ LIKELY ACTIVE |
| MPMcclarin Plastics LLC | Hanover | — | ◐ LIKELY ACTIVE |
| MNMonadnock Non-wovens | Mount Pocono | — | ◐ LIKELY ACTIVE |
| MIMxl Ind INC | Lancaster | — | ◐ LIKELY ACTIVE |
| NUNovares Us, LLC - Felton Plant | Felton | — | ◐ LIKELY ACTIVE |
| OPOptinova Plymouth Meeting Facility | Norristown | — | ◐ LIKELY ACTIVE |
| PDParamount Die Corporation | Edinboro | 1–19 | ◐ LIKELY ACTIVE |
| PDPlastic Dev | Williamsport | — | ◐ LIKELY ACTIVE |
| PMPlastic Molding Manufacturing, Incorporated | Lancaster | — | ◐ LIKELY ACTIVE |
| PLPolymics, LTD. | State College | 20–99 | ◐ LIKELY ACTIVE |
| PCPrime Conduit Inc/upper Nazareth Twp | Nazareth | — | ◐ LIKELY ACTIVE |
| RRRotadyne Roll Group | Leola | — | ◐ LIKELY ACTIVE |
| SKSekisui Kydex | Bloomsburg | — | ◐ LIKELY ACTIVE |
| SPSpecialty Powders Llc/upper Macungie Township | Allentown | — | ◐ LIKELY ACTIVE |
| STSvc Tire Truck Ctr Inc/bethlehem | Bethlehem | — | ◐ LIKELY ACTIVE |
| TMTetlp Marietta 24a | Marietta | — | ◐ LIKELY ACTIVE |