| SHSonoco Hickory, INC. | Hickory | NC | — | ◇ UNVERIFIED |
| SMSooner Magnetics | Choctaw | OK | — | ◇ UNVERIFIED |
 Sound Manufacturing INC | Kent | WA | — | ◇ UNVERIFIED |
| SPSouthern Perfection Fabrication Plastic Group, LLC | Byron | GA | — | ◇ UNVERIFIED |
| SCSouthland Container Group | Spartanburg | SC | — | ◇ UNVERIFIED |
| SFSouthwestern Foam Technologies | Belton | TX | — | ◇ UNVERIFIED |
| SFSouthwestern Foam Technologies, INC. | Flower Mound | TX | — | ◇ UNVERIFIED |
| SMSouthwind Manufacturing, LLC | Ocala | FL | — | ◇ UNVERIFIED |
| SFSpray Foam Professionals LLC | Choudrant | LA | — | ◇ UNVERIFIED |
| SFSpray Foam Technologies LLC | Tunas | MO | — | ◇ UNVERIFIED |
| SFSpray Foam Technologies LLC | Tunas | MO | — | ◇ UNVERIFIED |
| SIStarchtech INC | Golden Valley | MN | — | ◇ UNVERIFIED |
| SPStar Poly Bag INC | Brooklyn | NY | — | ◇ UNVERIFIED |
| SIStoropack Incorporated | Virginia Beach | VA | — | ◇ UNVERIFIED |
| SIStyrotek INC | Delano | CA | — | ◇ UNVERIFIED |
| SPSundown Plastics | Arab | AL | — | ◇ UNVERIFIED |
| SFSunshine Fpc INC | Montebello | CA | — | ◇ UNVERIFIED |
| SPSuperfos Packaging | Cumberland | MD | — | ◇ UNVERIFIED |
| SPSuperior Park Group | Harriman & Town of Monroe | NY | — | ◇ UNVERIFIED |
| SVSuper Vent, LLC | Nogales | AZ | — | ◇ UNVERIFIED |
| SDSurface Dynamics, INC. | Cincinnati | OH | — | ◇ UNVERIFIED |
| SCSwimways CORP. | Tarboro | NC | — | ◇ UNVERIFIED |
| SPSymmetry Products Div of Lance Industries | Lincoln | RI | — | ◇ UNVERIFIED |
| SSSyndicate Sales, INC. | Kokomo | IN | — | ◇ UNVERIFIED |
| SPSynergy Products LLC | Hamilton | IN | — | ◇ UNVERIFIED |
| TATech Aerofoam Products International INC | Carolina | PR | — | ◇ UNVERIFIED |
| TSTechnical Sales & Services, INC. | Fenton | MO | — | ◇ UNVERIFIED |
| TITecnifoam INC Dba Cedar Mfg Solutions | Circle Pines | MN | — | ◇ UNVERIFIED |
| TFTexas Fibers | Dallas | TX | — | ◇ UNVERIFIED |
| TFTexas Foam | Bastrop | TX | — | ◇ UNVERIFIED |
| TTTex Trude LP | Channelview | TX | — | ◇ UNVERIFIED |
| TCThe Coleman | New Braunfels | TX | — | ◇ UNVERIFIED |
| TFThe Foam Factory | Rancho Dominguez | CA | — | ◇ UNVERIFIED |
 The Gilman Brothers Company | Gilman | CT | — | ◇ UNVERIFIED |
| The Gilman Brothers Company | Bozrah (gilman) | CT | — | ◇ UNVERIFIED |
| THThe Hanson Group, LLC | Louisville | CO | — | ◇ UNVERIFIED |
| TLThermos, LLC | Batesville | MS | — | ◇ UNVERIFIED |
| TITimbron International, INC. | Stockton | CA | — | ◇ UNVERIFIED |
| TRTime Release Properties LLC | Lackawanna | NY | — | ◇ UNVERIFIED |
| TRTime Release Sciences INC. | Buffalo | NY | — | ◇ UNVERIFIED |
| TITitex, INC. | Houston | TX | — | ◇ UNVERIFIED |
| TATmp Acquisitions CO INC | Hyde | PA | — | ◇ UNVERIFIED |
| TPTnt Plastics INC Perryville | Perryville | MO | — | ◇ UNVERIFIED |
| TITradepak, Inc. | Miami | FL | — | ◇ UNVERIFIED |
| TWTrans Western Polymers INC | Livermore | CA | — | ◇ UNVERIFIED |
| TWTrans Western Polymers/tidewood Ind Park | Tamaqua | PA | — | ◇ UNVERIFIED |
| TCTredegar Corporation | Richmond | VA | — | ◇ UNVERIFIED |
| TITriad-fabco INC | High Point | NC | — | ◇ UNVERIFIED |
| TPTrinity Plastics Inc/lewistown Div | Lewistown | PA | — | ◇ UNVERIFIED |
| TTrulife | Poulsbo | WA | — | ◇ UNVERIFIED |
| TFTss Foam Industries Corporation | Caledonia | NY | — | ◇ UNVERIFIED |
| TFTupelo Foam Sales | Belden | MS | — | ◇ UNVERIFIED |
| UHUDI Holdings - 887, LLC | Buffalo Grove | IL | — | ◇ UNVERIFIED |
| UTUfp Technologies | Grand Rapids | MI | — | ◇ UNVERIFIED |
 Ufp Technologies, INC. | Georgetown | MA | — | ◇ UNVERIFIED |
| Ufp Technologies, INC. | Atlanta | GA | — | ◇ UNVERIFIED |
| UIUnicorn Imp & Mfg CORP | Plano | TX | — | ◇ UNVERIFIED |
| UPUni Poly INC | San Leandro | CA | — | ◇ UNVERIFIED |
| UFUnique Fabricating | Concord | MI | — | ◇ UNVERIFIED |
| UPUnited Plastics | Houston | TX | — | ◇ UNVERIFIED |
| UPUnited Plastics Machinery, LLC | Blue Bell | PA | — | ◇ UNVERIFIED |
| UMUrethane Masters INC | San Diego | CA | — | ◇ UNVERIFIED |
| USUrethane Specilaties LLC | Mullens | WV | — | ◇ UNVERIFIED |
| UOUsdol Osha Allentown | Montgomeryville | PA | — | ◇ UNVERIFIED |
| UOUsdol Osha - Atlanta West Ao | Dalton | GA | — | ◇ UNVERIFIED |
| USU S Foam INC | Compton | CA | — | ◇ UNVERIFIED |
| UTUS Taiyang Packing Products Co., LTD | Brooklyn | NY | — | ◇ UNVERIFIED |
| VFVahala Foam, INC. | Elkhart | IN | — | ◇ UNVERIFIED |
| VSVandyke Supply | Woonsocket | SD | — | ◇ UNVERIFIED |
| VGVaquero Genios Company | San Antonio | TX | — | ◇ UNVERIFIED |
| VAVillage Auto Body & Paint | Victorville | CA | — | ◇ UNVERIFIED |
| VPVonco Products LLC | Lake Villa | IL | — | ◇ UNVERIFIED |
| VPVonco Products LLC | Salem | WI | — | ◇ UNVERIFIED |
| VFVpc Foam USA INC. - Plant 2 | Asheboro | NC | — | ◇ UNVERIFIED |
| WCWa317935500 - C4 Enterprises INC | Mukilteo | WA | — | ◇ UNVERIFIED |
| WMWa317941364 - Mohawk Northern Plastic LLC | Auburn | WA | — | ◇ UNVERIFIED |
| WFWa317945286 - Fxi INC | Kent | WA | — | ◇ UNVERIFIED |
| WAWa317946040 - American Cushion Industries, I | Shelton | WA | — | ◇ UNVERIFIED |
| WFWa317950622 - Front Panel Express LLC | Seattle | WA | — | ◇ UNVERIFIED |
| WCWa317950694 - Custom Bioplastics INC | Burlington | WA | — | ◇ UNVERIFIED |
 Ward Process Incorporated | Natick | MA | — | ◇ UNVERIFIED |
| WHWest-Bank Holdings, LLC | South Elgin | IL | — | ◇ UNVERIFIED |
| WCWestern Concord US LTD | Algona | WA | — | ◇ UNVERIFIED |
| WSWestern States Packaging | Pacoima | CA | — | ◇ UNVERIFIED |
| WSWestern States Packaging INC | Simi Valley | CA | — | ◇ UNVERIFIED |
| WSWestern Summit Mfg CORP | Los Angeles | CA | — | ◇ UNVERIFIED |
| WRWestlake Royal Building Products LLC (dba Truexteriors Plant 2) | Salisbury | NC | — | ◇ UNVERIFIED |
| WCWestrock Cp LLC | Saltillo | MS | — | ◇ UNVERIFIED |
| WLWilMarc, LLC | Fort Collins | CO | — | ◇ UNVERIFIED |
| WWincup | Jacksonville | FL | — | ◇ UNVERIFIED |
| WHWincup Holdings LP | Corte Madera | CA | — | ◇ UNVERIFIED |
| WFWinpak Films INC Phase Iii Expansion | Senoia | GA | — | ◇ UNVERIFIED |
| WCWoodbridge CORP | Brodhead | WI | — | ◇ UNVERIFIED |
| WCWoodbridge CORP | Whitmore Lake | MI | — | ◇ UNVERIFIED |
| WFWoodbridge Foam CORP | Lithonia | GA | — | ◇ UNVERIFIED |
| WHWoodbridge Holdings INC. | Saint Peters | MO | — | ◇ UNVERIFIED |
| WCWorld Contract Packagers INC. | South Beloit | IL | — | ◇ UNVERIFIED |
| WFWorldpak Flexible Packaging, LLC | Reno | NV | — | ◇ UNVERIFIED |
| XPXl Plastics INC | Clifton City | NJ | — | ◇ UNVERIFIED |
| XPXpansive Packaging Group INC | Franklin Park | IL | — | ◇ UNVERIFIED |
