| ATAdvanced Technology Services | Westwego | LA | — | ◇ UNVERIFIED |
| ACAmerican Colloid Bentonite Plant | Belle Fourche | SD | — | ◇ UNVERIFIED |
| AGAmerican Gypsum | Duke | OK | — | ◇ UNVERIFIED |
| AGAmerican Gypsum Cogeneration | Gypsum | CO | — | ◇ UNVERIFIED |
| AGAmerican Gypsum CO LLC / Gypsum Wallboard Plant | Duke | OK | — | ◇ UNVERIFIED |
| AGAmerican Gypsum - Wallboard Plant | Bernalillo | NM | — | ◇ UNVERIFIED |
| AGAmerican Gypsum - Wallboard Plant | Albuquerque | NM | — | ◇ UNVERIFIED |
| ACArchitectural Castings INC | Portland | OR | — | ◇ UNVERIFIED |
| CSCapital Stucco & Stone | Topeka | KS | — | ◇ UNVERIFIED |
| CECarolina Eastern INC | Columbia | SC | — | ◇ UNVERIFIED |
| CDCasting Designs | Fort Worth | TX | — | ◇ UNVERIFIED |
| CGCertainteed Gypsum and Ceilings Manufacturing, INC. | N Las Vegas | NV | — | ◇ UNVERIFIED |
| CTCertain Teed Gypsum & Ceiling Manufactur | Jacksonville | FL | — | ◇ UNVERIFIED |
| CGCertainteed Gypsum & Ceiling Mfg, INC | Fort Dodge | IA | — | ◇ UNVERIFIED |
| CTCertain Teed Gypsum INC | Kent | WA | — | ◇ UNVERIFIED |
| CTCertain Teed Gypsum Manufacturing, INC | Las Vegas | NV | — | ◇ UNVERIFIED |
| CGCertainteed Gypsum Manufacturing, INC. | Blue Diamond | NV | — | ◇ UNVERIFIED |
| CGCertainteed Gypsum - Moundsville Facility | Moundsville | WV | — | ◇ UNVERIFIED |
| CRCertainteed Roxboro Wallboard Facility | Semora | NC | — | ◇ UNVERIFIED |
| CSCoastal Stucco, L.l.c. | Slidell | LA | — | ◇ UNVERIFIED |
| CWCody Wallboard Plant | Park | WY | — | ◇ UNVERIFIED |
| CRCrystal River Synthetic Gypsum Storage & Handling Facility | Crystal River | FL | — | ◇ UNVERIFIED |
| DCDean Column Company Inc. | Queensbury | NY | — | ◇ UNVERIFIED |
| DKDiamond K Gypsum - Richfield Gypsum Mill | Richfield | UT | — | ◇ UNVERIFIED |
| DTDon-len Trophies, INC. | Spring Mount | PA | — | ◇ UNVERIFIED |
| DSDte Silver Grove LLC | Silver Grove | KY | — | ◇ UNVERIFIED |
| EMEmpire Mine, LLC | Mcfarland | CA | — | ◇ UNVERIFIED |
| EIEsco Industries of Texas, INC. | Waco | TX | — | ◇ UNVERIFIED |
| FSFernando's Stucco | Corpus Christi | TX | — | ◇ UNVERIFIED |
| FFFlatline Floors | San Jose | CA | — | ◇ UNVERIFIED |
| FPFleet Pride INC | Anaheim | CA | — | ◇ UNVERIFIED |
| FLFortisGS, LLC | Holly Springs | NC | — | ◇ UNVERIFIED |
| FRFoster Reeve & Associates, Inc. | Brooklyn | NY | — | ◇ UNVERIFIED |
| FPFreeman Products INC / Gypsum Products Faclty | Broken Arrow | OK | — | ◇ UNVERIFIED |
| GFGeorgetown Facility | Georgetown | SC | — | ◇ UNVERIFIED |
| GPGeorgia Pacific | North Las Vegas | NV | — | ◇ UNVERIFIED |
| GPGeorgia Pacific Corporation-georgia Pacific Firedoor Core Plant | Cuba | MO | — | ◇ UNVERIFIED |
| GGGeorgia-pacific Gypsum Acme Wallboard Plant | Quanah | TX | — | ◇ UNVERIFIED |
| GPGeorgia Pacific Gypsum LLC | Canby | OR | — | ◇ UNVERIFIED |
| GPGeorgia Pacific Gypsum LLC | Wheatfield | IN | — | ◇ UNVERIFIED |
| GGGeorgia-pacific Gypsum LLC | Long Beach | CA | — | ◇ UNVERIFIED |
| GGGeorgia-pacific Gypsum LLC | San Leandro | CA | — | ◇ UNVERIFIED |
| GGGeorgia-pacific Gypsum LLC | North Las Vegas | NV | — | ◇ UNVERIFIED |
| GGGeorgia-pacific Gypsum LLC | Brunswick | GA | — | ◇ UNVERIFIED |
| GGGeorgia-pacific Gypsum LLC | Tacoma | WA | — | ◇ UNVERIFIED |
| GGGeorgia-pacific Gypsum LLC - Mcqueeney | Mc Queeney | TX | — | ◇ UNVERIFIED |
| GMG&g Manufacturing INC | Vernon | CA | — | ◇ UNVERIFIED |
| GBGold Bond Building Products - Eloy Plant | Eloy | AZ | — | ◇ UNVERIFIED |
| GBGold Bond Building Products LLC | Richmond | CA | — | ◇ UNVERIFIED |
| GBGold Bond Building Products, LLC. | Long Beach | CA | — | ◇ UNVERIFIED |
