| PSPolycel Structural Foam, INC. | Somerville | NJ | — | ◇ UNVERIFIED |
| PPolycycle | Crawfordsville | IN | — | ◇ UNVERIFIED |
| PIPolycycle Industrial Products, INC. | Pittsburgh | PA | — | ◇ UNVERIFIED |
| PSPolydeck Screen Corporation | Spartanburg | SC | — | ◇ UNVERIFIED |
| PEPoly Enterprises INC | Gainesville | GA | — | ◇ UNVERIFIED |
| PDPolyfab Display Company | Woodbridge | VA | — | ◇ UNVERIFIED |
| PPPolyfab Plastics Anbd Supply Inc* | Springfield | MO | — | ◇ UNVERIFIED |
| PIPolyflex, INC. | Walworth | WI | — | ◇ UNVERIFIED |
| PCPolyfoam Corporation | Northbridge | MA | — | ◇ UNVERIFIED |
| PLPolyfoam LLC Uxbridge Mass | Uxbridge | MA | — | ◇ UNVERIFIED |
| PPPolyfoam Precision Molded Products | Northbridge | MA | — | ◇ UNVERIFIED |
| PCPolygon Company | Walkerton | IN | — | ◇ UNVERIFIED |
| PTPolymax Thermoplastic Elastomers, LLC | Waukegan | IL | — | ◇ UNVERIFIED |
| PCPolymer Contours, INC. | Allentown | PA | — | ◇ UNVERIFIED |
 Polymer Fabrication INC | Wagoner | OK | — | ◇ UNVERIFIED |
| PLPolymerica LTD | Huntington Woods | MI | — | ◇ UNVERIFIED |
| PTPolymeric Technology, INC. (poly-tek) | San Leandro | CA | — | ◇ UNVERIFIED |
| PIPolymer Industrial Products CO. LLC. Division of Nytef Plastics LTD. | Bensalem | PA | — | ◇ UNVERIFIED |
| PIPolymer Industries, L.l.p. | Henagar | AL | — | ◇ UNVERIFIED |
| PIPolymer Injection Molding | Monson | MA | — | ◇ UNVERIFIED |
| PPPolymer Process Development, LLC | Clinton Township | MI | — | ◇ UNVERIFIED |
| PTPolymer Technologies and Services, INC. | Heath | OH | — | ◇ UNVERIFIED |
| PIPolyPail Inc. | Delavan | WI | — | ◇ UNVERIFIED |
| PPPoly Plastics INC | Owatonna | MN | — | ◇ UNVERIFIED |
| PIPolyreps, INC. | Monroe | NC | — | ◇ UNVERIFIED |
| PPPolystyrene Products | Essex | MD | — | ◇ UNVERIFIED |
| PIPolytainers, INC. | Lees Summit | MO | — | ◇ UNVERIFIED |
| PCPolytop CORP | North Smithfield | RI | — | ◇ UNVERIFIED |
| PMPolyurethane Molding INC. | Woonsocket | RI | — | ◇ UNVERIFIED |
| PUPolyweld Usa, INC. | Houston | TX | — | ◇ UNVERIFIED |
| PCPoma Corporation | San Bernardino | CA | — | ◇ UNVERIFIED |
| PCPoolside Creations LLC | Hillsboro | OR | — | ◇ UNVERIFIED |
| PPP&o Packaging, LLC | Dalton | GA | — | ◇ UNVERIFIED |
| PBPortland Badge Company LLC | Tigard | OR | — | ◇ UNVERIFIED |
 Portola Tech International | Woonsocket | RI | — | ◇ UNVERIFIED |
| PCPoseidons Creations LLC | Miami | FL | — | ◇ UNVERIFIED |
| PPPosi Pack Corporation INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| PPPossible Plastics, INC. | Grove City | OH | — | ◇ UNVERIFIED |
| PIPowerfoam Insulation Division | Midlothian | TX | — | ◇ UNVERIFIED |
| PPPower Plastics CORP | Portland | OR | — | ◇ UNVERIFIED |
| PPPractical Products | Mobile | AL | — | ◇ UNVERIFIED |
| PCPrairie Colors & Additives, Inc. | Dallas | TX | — | ◇ UNVERIFIED |
| PPPrairie Packaging INC | Bolingbrook | IL | — | ◇ UNVERIFIED |
| PPPrairie Packaging, INC. | Huntersville | NC | — | ◇ UNVERIFIED |
| PMPrecise Mold and Engineering, INC. | Valley Park | MO | — | ◇ UNVERIFIED |
| PPPrecise Plastic Products, INC. | Fairview | PA | — | ◇ UNVERIFIED |
| PAPrecision a Division of Maclean Power LLC | Newberry | SC | — | ◇ UNVERIFIED |
| PCPrecision Custom Products, INC. | De Graff | OH | — | ◇ UNVERIFIED |
| PDPrecision Dynamics CORP | San Fernando | CA | — | ◇ UNVERIFIED |
 Precision Engineering Laboratories | Branford | CT | — | ◇ UNVERIFIED |
