| BIBrentwood Industries INC. Speciality Product Group | Reading | — | ◇ UNVERIFIED |
| BHBridgestone Hosepower LLC | Cheswick | — | ◇ UNVERIFIED |
| BEBunzel Extrusion | Morrisville | — | ◇ UNVERIFIED |
| CCCarpenter CO. | Fogelsville | — | ◇ UNVERIFIED |
| CECasper Ectoplasm LLC | Pittsburgh | — | ◇ UNVERIFIED |
| CPCellcon Plastics | Saegertown | — | ◇ UNVERIFIED |
| CLCepc, LLC | Pittsburgh | — | ◇ UNVERIFIED |
| CPCep Panels, INC. | Weissport | — | ◇ UNVERIFIED |
| CWCharles W. Thomas, INC. | Philadelphia | — | ◇ UNVERIFIED |
| CCClearly Clean Products LLC | Orwigsburg | — | ◇ UNVERIFIED |
| CIColorcoat Incorporated | Milton | — | ◇ UNVERIFIED |
| CCConsolidated Container Company | Verona | — | ◇ UNVERIFIED |
| CIConstar International LLC | Trevose | — | ◇ UNVERIFIED |
| CCC-p Converters, INC. | Bristol | — | ◇ UNVERIFIED |
| CMCrestwood Membrane INC | Mountain Top | — | ◇ UNVERIFIED |
| CPCrighton Plastics, INC. | Coraopolis | — | ◇ UNVERIFIED |
| CTCulver Tool & Die, INC. | Lewisberry | — | ◇ UNVERIFIED |
| CCCustom Composites, LLC | Shoemakersville | — | ◇ UNVERIFIED |
| DVDelaware Valley Custom Marble Inc/glenmar Mfg | West Grove | — | ◇ UNVERIFIED |
 DESJ Phillips, LLC | Halifax | — | ◇ UNVERIFIED |
| DTDiamond Technological Group, Inc. | Somerset | — | ◇ UNVERIFIED |
| DDDirty D's Performance LLC | Jersey Shore | — | ◇ UNVERIFIED |
| EMEam Mosca Corporation | Hazleton | — | ◇ UNVERIFIED |
| ECEm-bed-it & CO INC | Pittsburgh | — | ◇ UNVERIFIED |
| EAEmperor Aquatics INC. | Pottstown | — | ◇ UNVERIFIED |
| EPEngineered Plastics LLC | Erie | — | ◇ UNVERIFIED |
| ELEnnovea, LLC | Erie | — | ◇ UNVERIFIED |
| EIEntrance, INC. | Leesport | — | ◇ UNVERIFIED |
| EPEssentra Plastics, LLC | Erie | — | ◇ UNVERIFIED |
| EPExecutool Precision Tooling INC. | Erie | — | ◇ UNVERIFIED |
| FCFabri-kal Corporation | Mountain Top | — | ◇ UNVERIFIED |
| FMFesta Manufacturing Enterprises, LLC | Cranberry Township | — | ◇ UNVERIFIED |
| FEFoamex Eddystone Plant | Eddystone | — | ◇ UNVERIFIED |
| FFFoam Fabricators Inc/bloomsburg Plt | Bloomsburg | — | ◇ UNVERIFIED |
| FEFormtech Enterprises, INC. | Fairview | — | ◇ UNVERIFIED |
| FIFxi, INC. | Aston | — | ◇ UNVERIFIED |
| FLFypon Ltd/stewartstown | Seven Valleys | — | ◇ UNVERIFIED |
| GKGaf Keystone Llc/new Columbia Facility | New Columbia | — | ◇ UNVERIFIED |
| GPGaf Plant 4 Pvc/tpo | White Deer, Township of | — | ◇ UNVERIFIED |
| GPGemini Plastics Incorporated | Fallsington | — | ◇ UNVERIFIED |
| GFGeorge Fischer Harvel LLC | Easton | — | ◇ UNVERIFIED |
| GPGraham Packaging Company - Emigsville Plt | York | — | ◇ UNVERIFIED |
| GPGraham Packaging Company, LP | North East | — | ◇ UNVERIFIED |
| HIHalsey INC. | Montrose | — | ◇ UNVERIFIED |
| HDHaviland Drainage Products CO. | Knox | — | ◇ UNVERIFIED |
| HIHeadwaters Incorporated | Elkland | — | ◇ UNVERIFIED |
| HWHickman Williams & Company | Etna | — | ◇ UNVERIFIED |
| HEHostler Enterprises, LLC | Glen Rock | — | ◇ UNVERIFIED |
| III2m INC. | Mountain Top | — | ◇ UNVERIFIED |
| IEImport Export Tire Company INC. | Latrobe | — | ◇ UNVERIFIED |
