| LPLMC Plasticsource | Bensalem | PA | Plastics and Rubber Products Manufacturing326130 | 20-99 | ◐ LIKELY ACTIVE |
| LHLogoplaste, Hazleton | Hanover Township | PA | Plastics and Rubber Products Manufacturing326160 | 20-99 | ◐ LIKELY ACTIVE |
| LHLogoplaste Hazleton LLC | Lititz | PA | Plastics and Rubber Products Manufacturing326160 | 20-99 | ◐ LIKELY ACTIVE |
| LCLord Corporation | Cambridge Springs | PA | Plastics and Rubber Products Manufacturing326299 | — | ◐ LIKELY ACTIVE |
| MPMarkey Paper & Packaging, INC. | Zieglerville | PA | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| MCMcClarin Composites -Closed Mold | Hanover | PA | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| MCMcClarin Composites - FRP | Hanover | PA | Plastics and Rubber Products Manufacturing326199 | 1-19 | ◐ LIKELY ACTIVE |
| MCMcClarin Composites -Industrial Drive | Hanover | PA | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| MSMCG Scranton | Scranton | PA | Plastics and Rubber Products Manufacturing326113 | 100-499 | ◐ LIKELY ACTIVE |
| MPMI Profiles | Millersburg | PA | Plastics and Rubber Products Manufacturing326121 | 100-499 | ◐ LIKELY ACTIVE |
| MCMitsubishi Chemical Advanced Materials Inc | Delmont | PA | Plastics and Rubber Products Manufacturing326113 | 20-99 | ◐ LIKELY ACTIVE |
| MFMolded Fiber Glass | Union City | PA | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| MPMontgomeryville, PA - A366 | Montgomeryville | PA | Plastics and Rubber Products Manufacturing326140 | 20-99 | ◐ LIKELY ACTIVE |
| MEMrn Enterprises, INC. | Bethel Park | PA | Plastics and Rubber Products Manufacturing326112 | — | ◐ LIKELY ACTIVE |
| MSMSA Safety Pittsburgh Manufacturing, LLC - Murrysville | Murrysville | PA | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| MEMulti-Plastic Extrusions | Hazleton | PA | Plastics and Rubber Products Manufacturing326113 | 100-499 | ◐ LIKELY ACTIVE |
| MMuncy | Muncy | PA | Plastics and Rubber Products Manufacturing326122 | 100-499 | ◐ LIKELY ACTIVE |
| NNccs-pa | Hatfield | PA | Plastics and Rubber Products Manufacturing326111 | 20-99 | ◐ LIKELY ACTIVE |
| NNccs-pa-pt | Pottstown | PA | Plastics and Rubber Products Manufacturing326111 | 20-99 | ◐ LIKELY ACTIVE |
NewAge Industries Inc - Valley Road | Warrington | PA | Plastics and Rubber Products Manufacturing326220 | 20-99 | ◐ LIKELY ACTIVE |
| NCNew Columbia TPO | New Columbia | PA | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| NCNew Congol LLC | Marcus Hook | PA | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| NUNovares US LLC | Felton | PA | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| PCPella Corporation | Gettysburg | PA | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
Penn United Technologies, Inc. (Warminster Location) | Warminster | PA | Plastics and Rubber Products Manufacturing326199 | 1-19 | ◐ LIKELY ACTIVE |
| PPPlaskolite Pennsylvania | Scranton | PA | Plastics and Rubber Products Manufacturing326113 | 100-499 | ◐ LIKELY ACTIVE |
| PDPlastic Development Company | Williamsport | PA | Plastics and Rubber Products Manufacturing326191 | 20-99 | ◐ LIKELY ACTIVE |
Plastic Injection Molding Svcs-Assembly | Erie | PA | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| PFPlastics Family Holdings, INC. | Bethlehem | PA | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| PPolymar | Leola | PA | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| PEPONN Erie | Erie | PA | Plastics and Rubber Products Manufacturing326220 | 100-499 | ◐ LIKELY ACTIVE |
| PEPort Erie Plastics Warehouses | Harborcreek | PA | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| PPPortland, PA | Portland | PA | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| PHPretium Hazelton | Hazelton | PA | Plastics and Rubber Products Manufacturing326160 | 100-499 | ◐ LIKELY ACTIVE |
Princetel, Inc. DBA NuShield | Bensalem | PA | Plastics and Rubber Products Manufacturing326113 | 1-19 | ◐ LIKELY ACTIVE |
| PMPrism Meadville | Meadville | PA | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| QPQuality Plastic | Erie | PA | Plastics and Rubber Products Manufacturing326199 | 1-19 | ◐ LIKELY ACTIVE |
| RIR2 INC D.b.a. Presto Tape | Bensalem | PA | Plastics and Rubber Products Manufacturing326111 | 20-99 | ◐ LIKELY ACTIVE |
| RFReading Facility | Reading | PA | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| RCRing Container Hanover | Hanover | PA | Plastics and Rubber Products Manufacturing326160 | 20-99 | ◐ LIKELY ACTIVE |
| SCSchuetz Container Systems | Hazleton | PA | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| SSShoemakersville - S. Walter | Shoemakersville | PA | Plastics and Rubber Products Manufacturing326112 | 1-19 | ◐ LIKELY ACTIVE |
| SPSilgan Plastics | North East | PA | Plastics and Rubber Products Manufacturing326160 | 20-99 | ◐ LIKELY ACTIVE |
| SSouth-FMH | Manheim | PA | Plastics and Rubber Products Manufacturing326220 | 20-99 | ◐ LIKELY ACTIVE |
Techline Technologies, INC. | Horsham | PA | Plastics and Rubber Products Manufacturing326299 | — | ◐ LIKELY ACTIVE |
| TRThe Rodon Group - Sterling | Hatfield | PA | Plastics and Rubber Products Manufacturing326191 | 100-499 | ◐ LIKELY ACTIVE |
| TCTranstex Composites | Harmony | PA | Plastics and Rubber Products Manufacturing326130 | 20-99 | ◐ LIKELY ACTIVE |
| TCTredegar Corporation - Pottsville | Pottsville | PA | Plastics and Rubber Products Manufacturing326112 | 100-499 | ◐ LIKELY ACTIVE |
| TSTruck Stop Supply LLC | Newville | PA | Plastics and Rubber Products Manufacturing326199 | 1-19 | ◐ LIKELY ACTIVE |
| TMTusk Molding | Leola | PA | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |