| NGNational Gypsum CO (new Ngc) | Peachtree Corners | GA | — | ◇ UNVERIFIED |
| NGNational Gypsum - Fedxcorp | Shippingport | PA | — | ◇ UNVERIFIED |
| NGNational Gypsum - Medicine Lodge | Medicine Lodge | KS | — | ◇ UNVERIFIED |
| NGNational Gypsum Wallboard Plant | Portsmouth | NH | — | ◇ UNVERIFIED |
| NRNational Refrigerants INC - Rosenhayn Facility | Rosenhayn | NJ | — | ◇ UNVERIFIED |
| NNNew Ngc INC | Wilmington | NC | — | ◇ UNVERIFIED |
| NNNew Ngc INC | Long Beach | CA | — | ◇ UNVERIFIED |
| NNNew Ngc INC | Rotan | TX | — | ◇ UNVERIFIED |
| NNNew Ngc INC (dba National Gypsum Co) | Grand Prairie | TX | — | ◇ UNVERIFIED |
| NNNew Ngc INC (dba National Gypsum Co) | Belcamp | MD | — | ◇ UNVERIFIED |
| NNNew Ngc Incd/b/a National Gypsum CO | Green Cove Springs | FL | — | ◇ UNVERIFIED |
| NNNew Ngc, INC. D/b/a National Gypsum Company | Mount Holly | NC | — | ◇ UNVERIFIED |
| NNNew Ngc, INC. Dba National Gypsum Company | Highlandtown | MD | — | ◇ UNVERIFIED |
| NNNew Ngc INC D/b/a Nat'l Gypsum CO | Orlando | FL | — | ◇ UNVERIFIED |
| NHNorth Hudson Woodcraft Corporation | Dolgeville | NY | — | ◇ UNVERIFIED |
| NBNorthwest Building Tech | Seattle | WA | — | ◇ UNVERIFIED |
| NCNu-wood Company, LLC | Goshen | IN | — | ◇ UNVERIFIED |
| OAOldcastle Apg South, INC. D/b/a Coastal | Tampa | FL | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Garden | Tulia | TX | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Garden | Bruceton Mills | WV | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Garden | Cedartown | GA | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Garden-aber | Aberdeen | NC | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Garden Elmer | Elmer | NJ | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Garden INC | Doswell | VA | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Garden, INC. | Davenport | FL | — | ◇ UNVERIFIED |
| OCOld Castle Lawn and Garden INC - Pageland Plant | Pageland | SC | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Gdns | Paola | KS | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Richmond | RI | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Hartville | OH | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Gaffney | SC | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Poland | ME | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Aliceville | AL | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Mclean | IL | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Walterboro | SC | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Amherst Junction | WI | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Springfield | OH | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Livingston | TX | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Hope | AR | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Cleveland | TX | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Louisburg | NC | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Elk River | MN | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Noblesville | IN | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Waterloo | IN | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Sauget | IL | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Powderly | TX | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Elgin | TX | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Oskaloosa | IA | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Shady Dale | GA | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Tylertown | MS | — | ◇ UNVERIFIED |
| OCOld Castle Lawn & Garden Apg | Moore Haven | FL | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden INC | Wauchula | FL | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden INC | Marseilles | IL | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden, INC. | Bridgeport | MI | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden Inc.-bostwick Facility | Bostwick | FL | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden Plnt 2 | Hope | AR | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden/quakertown | Quakertown | PA | — | ◇ UNVERIFIED |
| PGPabco Gypsum Board Plant & Quarry | North Las Vegas | NV | — | ◇ UNVERIFIED |
| PMPcc/ Mold Masters | Eastlake | OH | — | ◇ UNVERIFIED |
| PIPetra Industries INC | Fairmont City | IL | — | ◇ UNVERIFIED |
 Phillips Medisize St. Croix Meadows | Hudson | WI | — | ◇ UNVERIFIED |
| PLPleatco, LLC. | Louisville | KY | — | ◇ UNVERIFIED |
| PAPratt and Larson Tile | Portland | OR | — | ◇ UNVERIFIED |
| PFProform Finishing Products, LLC | Rensselaer | IN | — | ◇ UNVERIFIED |
| PIPyrotek Incorporated | Spokane | WA | — | ◇ UNVERIFIED |
| RLRadienz Living | Commack | NY | — | ◇ UNVERIFIED |
| RCRe Carroll INC | Trenton | NJ | — | ◇ UNVERIFIED |
| RERed Ewald | Karnes City | TX | — | ◇ UNVERIFIED |
| RCRentz Cabinet CORP | Rentz | GA | — | ◇ UNVERIFIED |
| SCSaint-gobain Ceramics & Plastics, INC. D/b/a Saint-gobain Norpro | Soddy Daisy | TN | — | ◇ UNVERIFIED |
| SLSheffield Lumber and Pallet Company | Mocksville | NC | — | ◇ UNVERIFIED |
| SPSierra Pacific Ind. Sonora | Sonora | CA | — | ◇ UNVERIFIED |
| SSilvertowne | Winchester | IN | — | ◇ UNVERIFIED |
| SPSouthern Pallet Incorporated | Butner | NC | — | ◇ UNVERIFIED |
| SUSterigenics Us, LLC - Los Angeles | Vernon | CA | — | ◇ UNVERIFIED |
| SIStream Intl INC Provo Mfg Plant | Provo | UT | — | ◇ UNVERIFIED |
| SCSupreme Cores Holdings LLC | Lancaster | SC | — | ◇ UNVERIFIED |
| TRThe Rock Kamps LLC | Coatesville | PA | — | ◇ UNVERIFIED |
| TLTosca LTD. | Salt Lake City | UT | — | ◇ UNVERIFIED |
| TSTosca Services LLC | Green Bay | WI | — | ◇ UNVERIFIED |
| TSTosca - Springfield, Mo | Springfield | MO | — | ◇ UNVERIFIED |
| TOTwin Oaks Power Station | Bremond | TX | — | ◇ UNVERIFIED |
| UNUfp Nappanee, LLC Dba Quality Hardwood | Nappanee | IN | — | ◇ UNVERIFIED |
 United States Gypsum | Southard | OK | — | ◇ UNVERIFIED |
| United States Gypsum | River Rouge | MI | — | ◇ UNVERIFIED |
| United States Gypsum CO | Ocotillo | CA | — | ◇ UNVERIFIED |
| United States Gypsum CO | Torrance | CA | — | ◇ UNVERIFIED |
| United States Gypsum CO | Sigurd | UT | — | ◇ UNVERIFIED |
| United States Gypsum Company | Shoals | IN | — | ◇ UNVERIFIED |
| United States Gypsum Company | Rainier | OR | — | ◇ UNVERIFIED |
| UDUS Doe Argonne National Laboratory | Argonne | IL | — | ◇ UNVERIFIED |
| UIUsg Interiors, LLC | Greenville | MS | — | ◇ UNVERIFIED |
| USUsg Structural Technologies LLC | Delavan | WI | — | ◇ UNVERIFIED |
| UGUS Gypsum - Washingtonville Plant | Danville | PA | — | ◇ UNVERIFIED |
| UMU.s. Marine Corps Blount Island | Jacksonville | FL | — | ◇ UNVERIFIED |
| VNValmont Newmark Industries | El Dorado | KS | — | ◇ UNVERIFIED |
| VTVibrantz Technologies | Edison | NJ | — | ◇ UNVERIFIED |
| VRVon Roll Cleveland | Cleveland | OH | — | ◇ UNVERIFIED |
| WCWayne-dalton CORP | Mount Hope | OH | — | ◇ UNVERIFIED |
| WIWoodworth INC. Homer | Homer | MI | — | ◇ UNVERIFIED |
| YCYankee Candle Company | Whately | MA | — | ◇ UNVERIFIED |
