| WPWestlake Plastics Company | Lenni | PA | — | ◐ LIKELY ACTIVE |
| WRWestlake Royal Building Products Bristol | Bristol | TN | 100–499 | ◐ LIKELY ACTIVE |
| WTWisconsin Tubing LLC | Omro | WI | 20–99 | ◐ LIKELY ACTIVE |
| WEWright Engineered Plastics INC | Santa Rosa | CA | — | ◐ LIKELY ACTIVE |
| FPFresno Precision Plastics, INC. | Clovis | CA | — | ◐ LIKELY ACTIVE |
| 2S25 S Main Spclty Composites Div | Sand Springs | OK | — | ◇ UNVERIFIED |
| 3C3m CO Static Control Systems | Chelmsford | MA | — | ◇ UNVERIFIED |
 Abc Industries | Grand Junction | CO | — | ◇ UNVERIFIED |
| AMAble Manufacturing & Assembly LLC | Joplin | MO | — | ◇ UNVERIFIED |
| AIAco, INC (0243082019) | Mentor | OH | — | ◇ UNVERIFIED |
| APAco Polymer Products | Casa Grande | AZ | — | ◇ UNVERIFIED |
| AGAcura Glass Corporation | Palmetto | FL | — | ◇ UNVERIFIED |
| AHAlcoa Home Exteriors INC | Gaffney | SC | — | ◇ UNVERIFIED |
| AEAltec Engineering LLC | Elkhart | IN | — | ◇ UNVERIFIED |
| APAndrews Plant | Andrews | TX | — | ◇ UNVERIFIED |
| AFArchitectural Fiberglass INC. (1318008262) | Cleveland | OH | — | ◇ UNVERIFIED |
 Arcosa Marine Products - Plant #73 | Caruthersville | MO | — | ◇ UNVERIFIED |
| AFAssociated Fiberglass Enterprises | Fort Worth | TX | — | ◇ UNVERIFIED |
| AIAttbar INC | Ridgefield | WA | — | ◇ UNVERIFIED |
| BPBeecher Protective Solutions Packaging Plant | Beecher | IL | — | ◇ UNVERIFIED |
| BIBullfrog International Lc | Bluffdale | UT | — | ◇ UNVERIFIED |
| CGCentral Green Facility Houston | Houston | TX | — | ◇ UNVERIFIED |
| CPChevron Phillips Chemical CO Performance Pipe a Div | Pryor | OK | — | ◇ UNVERIFIED |
| CPChevron Phillips Chemical CO Performance Pipe Div | Reno | NV | — | ◇ UNVERIFIED |
| CPChevron Phillips Chemical CO Performance Pipe Div | Knoxville | TN | — | ◇ UNVERIFIED |
| CPChevron Phillips Dba Plexco | Bloomfield | IA | — | ◇ UNVERIFIED |
| CBClarion Bathware | Marble | PA | — | ◇ UNVERIFIED |
| CPColorite Plastics CO | Sparks | NV | — | ◇ UNVERIFIED |
| CPConcept Plastics, INC. | High Point | NC | — | ◇ UNVERIFIED |
| DFDiamond Fiberglass Fabricators | Victoria | TX | — | ◇ UNVERIFIED |
| DTDuoline Technologies LLC | Gilmer | TX | — | ◇ UNVERIFIED |
| EPEcs Plant | Belton | TX | — | ◇ UNVERIFIED |
| EPElkhart Products CORP | Geneva | IN | — | ◇ UNVERIFIED |
| FCF&f Composite Group INC | Keller | TX | — | ◇ UNVERIFIED |
| FCFiber Composites LLC | New London | NC | — | ◇ UNVERIFIED |
| FSFiberglass Spray Facility | Temple | TX | — | ◇ UNVERIFIED |
| FGFiber Glass Systems | San Antonio | TX | — | ◇ UNVERIFIED |
| FGFiber Glass Systems, LP | Waycross | GA | — | ◇ UNVERIFIED |
| FTFiberglass Truck Parts | Gainesville | TX | — | ◇ UNVERIFIED |
| FCFibergrate Composite Structures Incorporated | Stephenville | TX | — | ◇ UNVERIFIED |
| FEFiltrona Extrusion | Tacoma | WA | — | ◇ UNVERIFIED |
| FRFlex-n-gate Rockford | Rockford | TN | — | ◇ UNVERIFIED |
| FPFrontier Plastic Fabricators INC / 4518 W 56th St South Tulsa Faclty | Tulsa | OK | — | ◇ UNVERIFIED |
| FPFuture Pipe Industries INC | Baton Rouge | LA | — | ◇ UNVERIFIED |
| FIFxi INC - Corry Facility | Corry | PA | — | ◇ UNVERIFIED |
| GSGold Sheild Fiberglass INC 43-1 | Decatur | IN | — | ◇ UNVERIFIED |
| HRHaysite Reinforced Plastics Llc/erie | Erie | PA | — | ◇ UNVERIFIED |
| HSHess Services - Hays (230th Ave) | Hays | KS | — | ◇ UNVERIFIED |
| HCHydro Composites, LLC | Stockdale | TX | — | ◇ UNVERIFIED |
| IHIac Huron (fka Lear Corp.) (0322010214) | Huron | OH | — | ◇ UNVERIFIED |
| JCJohnson County Pipe INC | Alvarado | TX | — | ◇ UNVERIFIED |
| KCKenway Corporation | Augusta | ME | — | ◇ UNVERIFIED |
| KPKeystone Plastics INC | South Plainfield | NJ | — | ◇ UNVERIFIED |
| KBKroy Building Products | York | NE | — | ◇ UNVERIFIED |
| LPLeisure Pools USA Trading | New Braunfels | TX | — | ◇ UNVERIFIED |
| LMLf Manufacturing INC - Mai N Plant | Giddings | TX | — | ◇ UNVERIFIED |
| LML.f. Manufacturing INC. - Qfr P Plant | Giddings | TX | — | ◇ UNVERIFIED |
| LTLineal Technologies INC | Rocky Mount | VA | — | ◇ UNVERIFIED |
| LRLmi Roto LLC | Lake Mary | FL | — | ◇ UNVERIFIED |
| LMLockheed Martin CORP - French Rd Fac | Utica | NY | — | ◇ UNVERIFIED |
| MPMansfield Plumbing Products | Henderson | TX | — | ◇ UNVERIFIED |
| MIMar-bal Incorporated | Cuba | MO | — | ◇ UNVERIFIED |
| MSMarket Street Plant | Karnes City | TX | — | ◇ UNVERIFIED |
| MMMercury Marine | Saint Cloud | FL | — | ◇ UNVERIFIED |
| MFMolded Fiber Glass Co/union City | Union City | PA | — | ◇ UNVERIFIED |
| MRMountain Ridge Metals Inc/millersburg | Millersburg | PA | — | ◇ UNVERIFIED |
| MTM Tek Incorporated | Manchester | TN | — | ◇ UNVERIFIED |
| MMur-tex | Amarillo | TX | — | ◇ UNVERIFIED |
| NONational Oilwell Varco | Belton | TX | — | ◇ UNVERIFIED |
| NFNov Fiber Glass Systems Burkburnett | Burkburnett | TX | — | ◇ UNVERIFIED |
| OCO'brien Corp/cardinal Uhp | Saint Louis | MO | — | ◇ UNVERIFIED |
| OTOmni Technologies INC | Lawrenceburg | IN | — | ◇ UNVERIFIED |
| PIPandel INC | Cartersville | GA | — | ◇ UNVERIFIED |
| PIPatrick Industries, INC. | Sarasota | FL | — | ◇ UNVERIFIED |
| PMPeco Manufacturing | Clackamas | OR | — | ◇ UNVERIFIED |
| PCPella Corporation- Murray Operations | Murray | KY | — | ◇ UNVERIFIED |
| PDPhillips Driscopipe Incorporated | Startex | SC | — | ◇ UNVERIFIED |
| PMPlant Maintenance Services - Pms St Gabriel Plant | Saint Gabriel | LA | — | ◇ UNVERIFIED |
| PIPlastron Incorporated | City of Industry | CA | — | ◇ UNVERIFIED |
 Precision Products Group, INC. | Apple Creek | OH | — | ◇ UNVERIFIED |
| PCProform Company LLC | West Memphis | AR | — | ◇ UNVERIFIED |
| RIReckless Industries | Maryville | TN | — | ◇ UNVERIFIED |
| RIReckless Industries Mold Division LLC | Greenback | TN | — | ◇ UNVERIFIED |
| RWReliance Worldwide Corporation- Cullman | Cullman | AL | — | ◇ UNVERIFIED |
| RAResrg Automotive Trim LLC | Morehead (rowan) | KY | — | ◇ UNVERIFIED |
| RBRobert Bosch Automotive Steering LLC | Florence | KY | — | ◇ UNVERIFIED |
| RBRoyal Baths Manufacturing CO | Richland Hills | TX | — | ◇ UNVERIFIED |
| RBRoyal Baths Manufacturing Company | Clearwater | FL | — | ◇ UNVERIFIED |
| SOSawyer Oilfield Brownwood Facility | Brownwood | TX | — | ◇ UNVERIFIED |
| SCSika Corporation-greer Plant | Greer | SC | — | ◇ UNVERIFIED |
| SASmp Automotive Systems Ala | Cottondale | AL | — | ◇ UNVERIFIED |
| SMSpears Manufacturing CO | Caney | KS | — | ◇ UNVERIFIED |
| SISpunstrand Incorporated | Wallace | ID | — | ◇ UNVERIFIED |
| SSS.r. Smith | Tucson | AZ | — | ◇ UNVERIFIED |
| SRS R Smith Manufacturing | Canby | OR | — | ◇ UNVERIFIED |
| SCStrongwell ? Chatfield Division | Chatfield | MN | — | ◇ UNVERIFIED |
| SHStrongwell Highlands | Abingdon | VA | — | ◇ UNVERIFIED |
| SESumitomo Electric Wiring Systems INC | Scottsville | KY | — | ◇ UNVERIFIED |
| TNTemple North | Temple | TX | — | ◇ UNVERIFIED |
| TLTencom, LTD. (0448002099) | Holland | OH | — | ◇ UNVERIFIED |
