| SDSyntech Development and Manufacturing INC. | Corona | CA | — | ◇ UNVERIFIED |
| SLSypectlon Lab INC | Fremont | CA | — | ◇ UNVERIFIED |
| TITam International INC | Houston | TX | — | ◇ UNVERIFIED |
| TFTampa Fiberglass, INC. | Tampa | FL | — | ◇ UNVERIFIED |
| TPTarget Plastics INC | Salem | OR | — | ◇ UNVERIFIED |
| TMTarheel Marble CO INC | Midland | NC | — | ◇ UNVERIFIED |
| TITbs Irrigation Products INC Dba Tbs Manufacturing | El Cajon | CA | — | ◇ UNVERIFIED |
| TCTec Composites INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| TDTechnifoam Division of P I INC | Ferrum | VA | — | ◇ UNVERIFIED |
| TCTe Connectivity | Menlo Park | CA | — | ◇ UNVERIFIED |
| TSTemple South Plant | Temple | TX | — | ◇ UNVERIFIED |
| TCTenex CORP | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| TITenn-plast Incorporated | Memphis | TN | — | ◇ UNVERIFIED |
| TSTerrapin Spa Covers, LLC | Burnet | TX | — | ◇ UNVERIFIED |
| TETerrell Enterprises, INC. | Greenville | AL | — | ◇ UNVERIFIED |
| TDThales Dis USA INC / Montgomeryville | Montgomeryville | PA | — | ◇ UNVERIFIED |
| TCThe Cooksey CORP / Shear-loc Prod | Laguna Hills | CA | — | ◇ UNVERIFIED |
| TGThe Glass Hand, INC. | Cleves | OH | — | ◇ UNVERIFIED |
| THThe Harrington Corporation | Lynchburg | VA | — | ◇ UNVERIFIED |
| TFTherma Foam | Fort Worth | TX | — | ◇ UNVERIFIED |
| TThermo-mold | Houston | TX | — | ◇ UNVERIFIED |
| TPThermoplastic Processes INC | Stirling | NJ | — | ◇ UNVERIFIED |
| TPThermo Plastics Corporation | Fort Worth | TX | — | ◇ UNVERIFIED |
| TTThe Toro Company | Sanford | FL | — | ◇ UNVERIFIED |
 The Winsford Corporation Dba Forbes Industries | Ontario | CA | — | ◇ UNVERIFIED |
 The Zippertubing CO | Los Angeles | CA | — | ◇ UNVERIFIED |
| TPThompson Pipe Group - Flowtite - US Composite Pipe South LLC | Zachary | LA | — | ◇ UNVERIFIED |
| TMTiffany Marble | Lees Summit | MO | — | ◇ UNVERIFIED |
| TDTiger Door LLC | Omaha | NE | — | ◇ UNVERIFIED |
| TDTimewell Drainage Products & Services | Sibley | IA | — | ◇ UNVERIFIED |
| TTTitan Tube Fabricators INC | Saint Louis | MO | — | ◇ UNVERIFIED |
| TWTogether We Pipe | West Palm Beach | FL | — | ◇ UNVERIFIED |
| TAToro Agricultural Irrigation | Madera | CA | — | ◇ UNVERIFIED |
| TCTpi Composites LLC - Springfield Operations | Springfield | OH | — | ◇ UNVERIFIED |
| TFTrap Flush L.L.C. | Sterling Heights | MI | — | ◇ UNVERIFIED |
| TSTrelleborg Sealing Solutions El Segundo INC | El Segundo | CA | — | ◇ UNVERIFIED |
| TITrexel International, INC. | Woburn | MA | — | ◇ UNVERIFIED |
| TPTri-mack Plastic Mfg. CORP | Bristol | RI | — | ◇ UNVERIFIED |
| TTTriseal, Tekni-plex CO. | Flemington | NJ | — | ◇ UNVERIFIED |
| TSTri Star Molding INC | Marcellus | MI | — | ◇ UNVERIFIED |
| TFTroy Fiberglass Plant | Troy | TX | — | ◇ UNVERIFIED |
| TPTrucomp Pipe LLC | Ottawa | KS | — | ◇ UNVERIFIED |
| TPTrucomp Pipe LLC | Kansas City | KS | — | ◇ UNVERIFIED |
| TPTru-form Plastics INC | Gardena | CA | — | ◇ UNVERIFIED |
| TGTubi Green Bay 5002 and 5003 | Bartow | FL | — | ◇ UNVERIFIED |
| TOTucson Outstanding Products | Tucson | AZ | — | ◇ UNVERIFIED |
| TMTuflex Manufacturing CO. | Pompano Beach | FL | — | ◇ UNVERIFIED |
| TRTulip Richardson Manufacturing Incorporated | Columbus | IN | — | ◇ UNVERIFIED |
| TFTung Fei Plastic INC | Hayward | CA | — | ◇ UNVERIFIED |
| TTupperware | Hemingway | SC | — | ◇ UNVERIFIED |
| TPTyco Plastics | City of Industry | CA | — | ◇ UNVERIFIED |
| UPUnited Poly Systems | Albuquerque | NM | — | ◇ UNVERIFIED |
 Universal Plastics INC. | Chico | CA | — | ◇ UNVERIFIED |
| UPUniversal Precast Concrete, INC. | Redding | CA | — | ◇ UNVERIFIED |
| UIUponor, INC. | Saint Paul | MN | — | ◇ UNVERIFIED |
| UNUponor North America | Hutchinson | MN | — | ◇ UNVERIFIED |
| USUrethane Specialties CO INC | Goodlettsville | TN | — | ◇ UNVERIFIED |
| UDU.s. Dol Osha | Richland | PA | — | ◇ UNVERIFIED |
| UOUsdol Osha - (mobile) | Stapleton | AL | — | ◇ UNVERIFIED |
| USU S Fence INC (plastics Div ) | Morristown | TN | — | ◇ UNVERIFIED |
| VBVan Buern Pipe Co., INC. | Mount Vernon | IN | — | ◇ UNVERIFIED |
| VAV and E Components, Incorporated | High Point | NC | — | ◇ UNVERIFIED |
 Vantage Associates INC | Santa Fe Spgs | CA | — | ◇ UNVERIFIED |
| VPVantage Plastics INC | Standish | MI | — | ◇ UNVERIFIED |
| VEV & E Components | Archdale | NC | — | ◇ UNVERIFIED |
| VEVee Engineering Incorporated | Fort Wayne | IN | — | ◇ UNVERIFIED |
| VPVentra Plastics, INC. | Russellville | KY | — | ◇ UNVERIFIED |
| VPViking Pools Tx | Midland | TX | — | ◇ UNVERIFIED |
| VCVinylex CORP Florida Div | Miami | FL | — | ◇ UNVERIFIED |
| VPVision Profile Extrusions USA LTD | Delmont | PA | — | ◇ UNVERIFIED |
| VCViskase CORP | Bedford Park | IL | — | ◇ UNVERIFIED |
| VCViskase CORP. | Osceola | AR | — | ◇ UNVERIFIED |
| VViskoteepak | Kenosha | WI | — | ◇ UNVERIFIED |
| VWVPC Walla Walla LLC | Walla Walla | WA | — | ◇ UNVERIFIED |
| WJWa317936402 - J M Manufacturing Company INC | Sunnyside | WA | — | ◇ UNVERIFIED |
| WCWa317947362 - Clear Industries LLC | Poulsbo | WA | — | ◇ UNVERIFIED |
| WMWaldorf Marble | White Plains | MD | — | ◇ UNVERIFIED |
| WTWalther Trowal | Heber Springs | AR | — | ◇ UNVERIFIED |
| W2Warehouse 2000 INC | Firebaugh | CA | — | ◇ UNVERIFIED |
| WFWarminster Fiberglass/southampton | Southampton | PA | — | ◇ UNVERIFIED |
| WPWestern Plastics INC | Temecula | CA | — | ◇ UNVERIFIED |
| WPWestern Power Products Site | Hood River | OR | — | ◇ UNVERIFIED |
| WTWestfall Technik | Walnut | CA | — | ◇ UNVERIFIED |
| WKWilliam Kreysler & Assoc INC | American Canyon | CA | — | ◇ UNVERIFIED |
| WPWilliamsburg Plastics | Williamsburg | KY | — | ◇ UNVERIFIED |
| WMWilson Marble INC | O Fallon | MO | — | ◇ UNVERIFIED |
| WHWlp Holding CORP. | Snyder | TX | — | ◇ UNVERIFIED |
| WPWl Plastics | Elizabethtown | KY | — | ◇ UNVERIFIED |
| WLW L Plastics CORP | Cedar City | UT | — | ◇ UNVERIFIED |
| XCXerxes CORP | Lakeland | FL | — | ◇ UNVERIFIED |
| YFYang Feng Global Automotive Interiors | Louisville | KY | — | ◇ UNVERIFIED |
| ZCZeus Csc Columbia Manufacturing Facility | Gaston | SC | — | ◇ UNVERIFIED |
| ZIZeus Industrial Products INC | Aiken | SC | — | ◇ UNVERIFIED |
| ZIZeus Industrial Products INC | Orangeburg | SC | — | ◇ UNVERIFIED |
| ZIZip-pak INC | Manteno | IL | — | ◇ UNVERIFIED |
