| NPNypro Puerto Rico INC | Cayey | PR | — | ◇ UNVERIFIED |
| NGNytef Group INC | Pisgah | AL | — | ◇ UNVERIFIED |
| NINyx Inc-livonia-38700 Plymouth | Livonia | MI | — | ◇ UNVERIFIED |
| OIOk International INC | Garden Grove | CA | — | ◇ UNVERIFIED |
| OMOldcastle Middlefield | Middlefield | OH | — | ◇ UNVERIFIED |
| OTOld Town Fiberglass | Maricopa County | AZ | — | ◇ UNVERIFIED |
| OTOld Town Fiberglass | Phoenix | AZ | — | ◇ UNVERIFIED |
| ODOlin Dallas Terminal | Dallas | TX | — | ◇ UNVERIFIED |
| OPOmega Plastics | Knoxville | TN | — | ◇ UNVERIFIED |
| OPOmega Plastics Corporation | Clinton | TN | — | ◇ UNVERIFIED |
| OIOmico, INC. Dba Omico Plastics, INC. | Owensboro | KY | — | ◇ UNVERIFIED |
| OIOmnimax International, INC. | Cleveland | TN | — | ◇ UNVERIFIED |
| OVOptinova Valley Forge/plymouth Meeting | Plymouth Meeting | PA | — | ◇ UNVERIFIED |
| OFOpw - Fueling Containment Systems | Smithfield | NC | — | ◇ UNVERIFIED |
| OFOpw Fueling Containment Systems | Smithfield | NC | — | ◇ UNVERIFIED |
| OCOrbis Corporation | Bardstown | KY | — | ◇ UNVERIFIED |
| OIOrozco International INC | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| OCOwens Corning Vinyl Operations-joplin | Joplin | MO | — | ◇ UNVERIFIED |
| PPPacific Plastics INC | Brea | CA | — | ◇ UNVERIFIED |
| PWPacific Western Extruded Plast | Perris | CA | — | ◇ UNVERIFIED |
| PTPac Tec CORP | Sarasota | FL | — | ◇ UNVERIFIED |
| PPactiv | Manteno | IL | — | ◇ UNVERIFIED |
| PMPanhandle Marble Company, INC. | Fort Walton Beach | FL | — | ◇ UNVERIFIED |
| PPPanthera Products, INC. | Latrobe | PA | — | ◇ UNVERIFIED |
| PPParker-hannifin Parflex Division Texloc Operations | Fort Worth | TX | — | ◇ UNVERIFIED |
| PMParsons Manufacturing CORP | Menlo Park | CA | — | ◇ UNVERIFIED |
| PBPdc By Brady | Valencia | CA | — | ◇ UNVERIFIED |
| PPPechiney Plastics Packaging Inc, Cebal D | Cypress | CA | — | ◇ UNVERIFIED |
| PVPelican Vinyl Products, LLC | Edenton | NC | — | ◇ UNVERIFIED |
| PPPeninsula Plastics Recycling INC | Turlock | CA | — | ◇ UNVERIFIED |
| PWPentair Water Pool and Spa INC | Chino | CA | — | ◇ UNVERIFIED |
| PPPerformance Plastic Produ | Houston | TX | — | ◇ UNVERIFIED |
| PIPerkasie Industries Corporation | Perkasie | PA | — | ◇ UNVERIFIED |
| PFPermian Fiberglass | Midland | TX | — | ◇ UNVERIFIED |
| PFPermian Fiberglass Division | Odessa | TX | — | ◇ UNVERIFIED |
| PPPeterson Products, INC | Belmont | CA | — | ◇ UNVERIFIED |
| PNPetroflex North America | Gainesville | TX | — | ◇ UNVERIFIED |
| PLPexco LLC | Des Plaines | IL | — | ◇ UNVERIFIED |
| PDPhillips Diversified Manufacturing (pdm) INC | Manchester | KY | — | ◇ UNVERIFIED |
| PRPhx Recycling INC | Fowler | CA | — | ◇ UNVERIFIED |
| PFPiedmont Fiberglass INC. | Mooresville | NC | — | ◇ UNVERIFIED |
| PPPilot Plastics INC | Peninsula | OH | — | ◇ UNVERIFIED |
| PJPipelift Jet Stream, INC | Siloam Springs | AR | — | ◇ UNVERIFIED |
| PPPiper Profiles Inc. | Ferndale | WA | — | ◇ UNVERIFIED |
| PPPiper Profiles Inc. | Ferndale | WA | — | ◇ UNVERIFIED |
| PMPipewelders Marine, INC. | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| PTPiping Technology and Products, INC. | Houston | TX | — | ◇ UNVERIFIED |
| PPPlainfield Pixley Richards INC. | Plymouth | MA | — | ◇ UNVERIFIED |
| PIPlasco INC | Gurnee | IL | — | ◇ UNVERIFIED |
| PCPlastic Companies Enterprises, INC. | Lincoln | NE | — | ◇ UNVERIFIED |
| PCPlastic Components INC | Elkhart | IN | — | ◇ UNVERIFIED |
| PMPlastic Molding Manufacturing, Incorporated | Lancaster | PA | — | ◇ UNVERIFIED |
| PMPlastic Monofil Co, LTD | Milton | VT | — | ◇ UNVERIFIED |
| PPlasticolor | Fullerton | CA | — | ◇ UNVERIFIED |
| PNPlasticon North America INC. | Maidsville | WV | — | ◇ UNVERIFIED |
| PPPlastic Parts | Gainesville | TX | — | ◇ UNVERIFIED |
| PDPlastics Designs, INC. | Paxton | IL | — | ◇ UNVERIFIED |
| PTPlastic Tubing Industries of Georgia, INC. | Warrenton | GA | — | ◇ UNVERIFIED |
| PIPlastikon INC | Hayward | CA | — | ◇ UNVERIFIED |
| PIPlastikon Industries | Hayward | CA | — | ◇ UNVERIFIED |
| PIPlastikon Industries | Leitchfield | KY | — | ◇ UNVERIFIED |
| PCPlasto-tech Corporation | Elyria | OH | — | ◇ UNVERIFIED |
| PDPlastron, Division of Tekni-plex, Inc.cn | Lakewood | CO | — | ◇ UNVERIFIED |
| PFPlexihouse Furniture | Miami | FL | — | ◇ UNVERIFIED |
| PFPlumbing Fixture | Grand Prairie | TX | — | ◇ UNVERIFIED |
| PGPly Gem Pacific Windows Company | West Sacramento | CA | — | ◇ UNVERIFIED |
| PSPlygem Siding Group | Jasper | TN | — | ◇ UNVERIFIED |
| PLPmt, LLC | La Feria | TX | — | ◇ UNVERIFIED |
| PPPolyform Products Company | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| PCPolygon Company | Walkerton | IN | — | ◇ UNVERIFIED |
| PIPolymer Industries, LLC | Pisgah | AL | — | ◇ UNVERIFIED |
| PMPolystyrene Molding | Keller | TX | — | ◇ UNVERIFIED |
| PSPoly Systems INC. | Steelville | MO | — | ◇ UNVERIFIED |
| PPPolytherm Plt | Longview | TX | — | ◇ UNVERIFIED |
| PBPool Builders Supply of the Carolinas | Charlotte | NC | — | ◇ UNVERIFIED |
| PEPrecision Engineered Products | East Providence | RI | — | ◇ UNVERIFIED |
| PSPrecision Stone Fabricators-union | Union | MO | — | ◇ UNVERIFIED |
 Precision Tool & Plastic | Chino | CA | — | ◇ UNVERIFIED |
| PPPremier Properties | Menlo Park | CA | — | ◇ UNVERIFIED |
| PPPreproduction Plastics, INC | Corona | CA | — | ◇ UNVERIFIED |
| PPPresby Plastics INC | Whitefield | NH | — | ◇ UNVERIFIED |
| PPPretium Pkg Llc/york | Manchester | PA | — | ◇ UNVERIFIED |
| PCPrime Conduit, INC. | High Springs | FL | — | ◇ UNVERIFIED |
| PCPrime Conduit Inc/upper Nazareth Twp | Nazareth | PA | — | ◇ UNVERIFIED |
| PMPrime Molding Technologies, INC. | Riviera Beach | FL | — | ◇ UNVERIFIED |
| PPPrime Pvc | Marion | IN | — | ◇ UNVERIFIED |
| PIPrinsco INC | Fresno | CA | — | ◇ UNVERIFIED |
| PIPrinsco, INC | Chatsworth | IL | — | ◇ UNVERIFIED |
| PSPrinsco - Spicer | Spicer | MN | — | ◇ UNVERIFIED |
| PIPrintpack Incorporated | Williamsburg | VA | — | ◇ UNVERIFIED |
| PCProductivity California | South Gate | CA | — | ◇ UNVERIFIED |
| PPProgressive Plastics, INC. | Williamstown | VT | — | ◇ UNVERIFIED |
| PLPromats Landalite | Fort Collins | CO | — | ◇ UNVERIFIED |
| PPPrototype Plastics, LLC | Clearwater | FL | — | ◇ UNVERIFIED |
| PIPurple Innovations, LLC | Alpine | UT | — | ◇ UNVERIFIED |
| PPweagle | Visalia | CA | — | ◇ UNVERIFIED |
| PPPyramid Plastics, INC. | Rockford | IL | — | ◇ UNVERIFIED |
| QEQuadrant Engineering Plastic Products | Wytheville | VA | — | ◇ UNVERIFIED |
| QEQuadrant Epp Polymer Mfg Reading | Reading | PA | — | ◇ UNVERIFIED |
| QFQuality Fiberglass INC | Mansfield | TX | — | ◇ UNVERIFIED |
