| SASealed Air CORP - Modena Plant | Coatesville | — | ◐ LIKELY ACTIVE |
| SASealed Air Corp/reading Plt | Reading | — | ◐ LIKELY ACTIVE |
| UCUnited Corrstack Dba Ds Smith/reading | Reading | — | ◐ LIKELY ACTIVE |
| WCWonder Clnr & Launderers/horsham | Horsham | — | ◐ LIKELY ACTIVE |
| 3C3m CO Bristol | Levittown | — | ◇ UNVERIFIED |
| ABAcco Brands USA | Alexandria | — | ◇ UNVERIFIED |
| ALAllegheny Ludlum Bagdad | Leechburg | — | ◇ UNVERIFIED |
| ABAmerican Bag & Paper CORP | Philadelphia | — | ◇ UNVERIFIED |
| ACAshby Cleaners | Doylestown | — | ◇ UNVERIFIED |
| BCBeacon Container Corrugated Cardboard Box Mfg Birdsboro | Birdsboro | — | ◇ UNVERIFIED |
| BCBrodart CO | Lock Haven | — | ◇ UNVERIFIED |
| CTCascades Tissue Group Pa Inc/pittston | Pittston | — | ◇ UNVERIFIED |
| CTCascades Tissue Group Pa INC Ransom Mill | Ransom | — | ◇ UNVERIFIED |
| DCDixie Consumer Products LLC | Easton | — | ◇ UNVERIFIED |
| DSDs Smith Reading Mill | Reading | — | ◇ UNVERIFIED |
| EWEisenhart Wallcoverings Co/pine St Plt | Hanover | — | ◇ UNVERIFIED |
| EPEquitrans/waynesburg Plt | Waynesburg | — | ◇ UNVERIFIED |
| FPFabricon Products | Philadelphia | — | ◇ UNVERIFIED |
| FMFleetwood Motor Homes/main Plt | Paxinos | — | ◇ UNVERIFIED |
| FCFrankford Clnr Svc Warminster | Warminster | — | ◇ UNVERIFIED |
| GCGateway Clnr/holland | Holland | — | ◇ UNVERIFIED |
| GPGeorgia Pacific Corrugated LLC | Mount Wolf | — | ◇ UNVERIFIED |
| HPHilex Poly CO LLC | Milesburg | — | ◇ UNVERIFIED |
| HPHood Packaging Corp/hazleton | Hazle Township | — | ◇ UNVERIFIED |
| IPInd Papers | Erie | — | ◇ UNVERIFIED |
| IEIntl Envelope Co/rolling Hills | Exton | — | ◇ UNVERIFIED |
| IPIntl Paper CO Atglen/west Sadbury Twp | Atglen | — | ◇ UNVERIFIED |
| JSJefferson Smurfit CORP (us) | North Wales | — | ◇ UNVERIFIED |
| KSKearny Steel Container CORP | Jessup | — | ◇ UNVERIFIED |
| KKlearfold/warrington | Warrington | — | ◇ UNVERIFIED |
| LILebanon Ind/former Alcoa Plt | Lebanon | — | ◇ UNVERIFIED |
| MFMeyer Frank C Pkg | Jeannette | — | ◇ UNVERIFIED |
| NENational Envelope CO | Exton | — | ◇ UNVERIFIED |
| NPNorth Penn - Area 5 | Montgomery Township | — | ◇ UNVERIFIED |
| OIOmnipac Inc/horsham Plt | Horsham | — | ◇ UNVERIFIED |
| PPPactiv Packaging INC | Downingtown | — | ◇ UNVERIFIED |
| PIPaperworks Ind Inc/mill Div | Philadelphia | — | ◇ UNVERIFIED |
| PFPerfecseal/bustleton Fac | Philadelphia | — | ◇ UNVERIFIED |
| RFRighters Ferry Assoc LP Gwcu | Bala Cynwyd | — | ◇ UNVERIFIED |
| RTRock Tenn Blue Grass Rd Plt | Phila | — | ◇ UNVERIFIED |
| RTRock Tenn Cp Llc/bluegrass Plt | Philadelphia | — | ◇ UNVERIFIED |
| RPRts Pkg Llc/charleroi | Charleroi | — | ◇ UNVERIFIED |
| RORuetgers Organics Co/state College | State College | — | ◇ UNVERIFIED |
| SGSaint Gobain Performance Plastics/malvern | Malvern | — | ◇ UNVERIFIED |
| SCSmurfit-stone Container CORP | Philadelphia | — | ◇ UNVERIFIED |
| SCSmurfit-stone Container/jersey Shore Plt | Jersey Shore | — | ◇ UNVERIFIED |
| SCSonoco Corrflex York | York | — | ◇ UNVERIFIED |
 Sonoco Products CO - Downingtown Papermill | Downingtown | — | ◇ UNVERIFIED |
| UPUnion Pkg Llc/yeadon | Yeadon | — | ◇ UNVERIFIED |
| UEUnited Envelope Holdings Llc/mt Pocono | Mount Pocono | — | ◇ UNVERIFIED |
