| CPCustom Plastics | Elk Grove Village | IL | Plastics and Rubber Products Manufacturing326121 | 100-499 | ◐ LIKELY ACTIVE |
| DPDiamond Plastics Corporation Lubbock | Lubbock | TX | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| DPDiamond Plastics Corporation Macon | Macon | GA | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| DPDrainage Products, INC. | Haviland | OH | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| DDuraline | Clinton | TN | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| DDura-line | Mcalester | OK | Plastics and Rubber Products Manufacturing326122 | 100-499 | ◐ LIKELY ACTIVE |
| DDura-line | Gainesville | TX | Plastics and Rubber Products Manufacturing326122 | 100-499 | ◐ LIKELY ACTIVE |
| DDura-line | Mountain Grove | MO | Plastics and Rubber Products Manufacturing326122 | 100-499 | ◐ LIKELY ACTIVE |
| DCDura-line CORP. | Tennille | GA | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| EIEndot Industries LLC | Rockaway | NJ | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| EIeric'sons inc | Chester | VA | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| FGFiber Glass Systems Wichita | Wichita | KS | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| IPImproved Piping Products INC | San Antonio | TX | Plastics and Rubber Products Manufacturing326122 | 100-499 | ◐ LIKELY ACTIVE |
| IWInfiltrator Water Technologies, LLC | Salisbury | NC | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| IIIpex Industrial Incorporated | Pineville | NC | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| IUIpex USA LLC | Madison | AL | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| JEJm Eagle | Sunnyside | WA | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| JEJM Eagle PCO | Columbia | MO | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| JEJM Eagle PCP | Cameron Park | CA | Plastics and Rubber Products Manufacturing326122 | 1-19 | ◐ LIKELY ACTIVE |
| KIKbk Industries | Rush Center | KS | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| KIKroy Industries | Ulysses | KS | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| LPLiner Products | Paoli | IN | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| MCMGMPP Contech Engineered Solutions LLC | Montgomery | AL | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| NPNational Pipe and Plastics Incorporated | Colfax | NC | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| NANorth Amer Pipe Corp/leola | Leola | PA | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| PPPerformance Pipe Knoxville | Knoxville | TN | Plastics and Rubber Products Manufacturing326122 | 100-499 | ◐ LIKELY ACTIVE |
| PPPerformance Pipe Startex Plant | Wellford | SC | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| PPPremier Plastics Inc | Omaha | NE | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| RCRehau Construction, LLC | Cullman | AL | Plastics and Rubber Products Manufacturing326122 | 100-499 | ◐ LIKELY ACTIVE |
| SPSanderson Pipe Corporation | Clarksville | TN | Chemical Manufacturing325991 | 20-99 | ◐ LIKELY ACTIVE |
| SPSanderson Pipe Corporation | Sanderson | FL | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| SISoileau Industries, INC. | Ville Platte | LA | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| SPSouthern Pipe INC | New London | NC | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| SVSouthwest Venture Plastics Incorporated | El Paso | TX | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| SPSteele Plastics INC. | Conway | AR | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| SDSyntech Development and Manufacturing INC. | Chino | CA | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| TPTeel Plastics-Teel Court | Baraboo | WI | Plastics and Rubber Products Manufacturing326122 | 100-499 | ◐ LIKELY ACTIVE |
| TUTigre Usa, INC. | Janesville | WI | Plastics and Rubber Products Manufacturing326121 | 100-499 | ◐ LIKELY ACTIVE |
| TTranpak | Madera | CA | Plastics and Rubber Products Manufacturing326121 | 20-99 | ◐ LIKELY ACTIVE |
| VCVinyltech Corporation | Phoenix | AZ | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| WMWatco Manufacturing Company LLC | Independence | MO | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| WPWestlake Pipe and Fittings Corporation | Booneville | MS | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| WTWisconsin Tubing LLC | Omro | WI | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| WPWl Plastics | Elizabethtown | KY | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| CPChevron Phillips Chemical CO Performance Pipe a Div | Pryor | OK | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| CPChevron Phillips Dba Plexco | Bloomfield | IA | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| CIContinental Industries - Broken Arrow Facility | Broken Arrow | OK | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| CPCustom Pipe and Fabrication | Stanton | CA | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| EAEdlon Avondale Fac | Avondale | PA | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| FCF&f Composite Group INC | Keller | TX | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |