| 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 |
| GIGlasforms INC | Birmingham | AL | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| GIGranite Inliner, LLC | Romulus | MI | Chemical Manufacturing325991 | — | ◐ LIKELY ACTIVE |
| HFHuntington Foam LLC | Radford | VA | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| HSHydro Systems INC | Valencia | CA | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| ITInsituform Technologies, INC. | Bessemer | AL | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| ITInsituform Technologies, LLC | Ocala | FL | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| LSLamson & Sessions INC Aurora Plant | Aurora | OH | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| LMLf Manufacturing INC - Mai N Plant | Giddings | TX | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| OTOmni Technologies INC | Lawrenceburg | IN | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| OFOpw Fueling Containment Systems | Smithfield | NC | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| PCPrime Conduit Inc/upper Nazareth Twp | Nazareth | PA | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| PIPrinsco INC | Fresno | CA | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| SISunbelt Innovative Plastics LLC | Slidell | LA | Plastics and Rubber Products Manufacturing326122 | — | ◐ LIKELY ACTIVE |
| 4G40 Goshen | Goshen | IN | Plastics and Rubber Products Manufacturing326122 | 100-499 | ◐ LIKELY ACTIVE |
| ATAccor Technology Inc. | East Wenatchee | WA | Plastics and Rubber Products Manufacturing326122 | 100-499 | ◐ LIKELY ACTIVE |
| APAC Plastiques USA | Gonzales | LA | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| AAffinity | Mendon | MI | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| BBakersfield | Bakersfield | CA | Plastics and Rubber Products Manufacturing326122 | 1-19 | ◐ LIKELY ACTIVE |
| BCBessemer City | Bessemer City | NC | Plastics and Rubber Products Manufacturing326122 | 100-499 | ◐ LIKELY ACTIVE |
| BABingham and Taylor - Injection Molding | Fredericksburg | VA | Plastics and Rubber Products Manufacturing326122 | 1-19 | ◐ LIKELY ACTIVE |
| BDBlue Diamond Industries Aubrey | Aubrey | TX | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |