 Johns Manville | Winslow Township | NJ | — | ◇ UNVERIFIED |
| Johns Manville | Houston | TX | — | ◇ UNVERIFIED |
| Johns Manville CORP | Vienna | WV | — | ◇ UNVERIFIED |
| Johns Manville International, INC. - Plant 3 (0320010004) | Defiance | OH | — | ◇ UNVERIFIED |
| KIKnauf Insulation | Kingman | AZ | — | ◇ UNVERIFIED |
| KIKnauf Insulation, INC. | Mc Gregor | TX | — | ◇ UNVERIFIED |
| KIKnauf Insulation Incorporated | Shelbyville | IN | — | ◇ UNVERIFIED |
| LFLakeland Fl Fiber Tek | Lakeland | FL | — | ◇ UNVERIFIED |
| MCMarspring CORP Dba Los Angeles Fiber Company | Vernon | CA | — | ◇ UNVERIFIED |
| MFMcgregor Facility | Mc Gregor | TX | — | ◇ UNVERIFIED |
| MIMfs Inc/mineral Wool Plt 1 | Bethlehem | PA | — | ◇ UNVERIFIED |
| MMM & M Tooling INC | Costa Mesa | CA | — | ◇ UNVERIFIED |
| MAMolded Acoustical Products of Easton, INC. | Easton | PA | — | ◇ UNVERIFIED |
| MAMolded Acoustical Products of Easton, INC. | Clarksdale | MS | — | ◇ UNVERIFIED |
| MEMount Etna Investments, Inc. | Joplin | MO | — | ◇ UNVERIFIED |
| NPNolanville Plant | Nolanville | TX | — | ◇ UNVERIFIED |
| OCOwens Corning | Santa Clara | CA | — | ◇ UNVERIFIED |
| OCOwens Corning | Eloy | AZ | — | ◇ UNVERIFIED |
| OCOwens Corning Insulating Systems LLC | Santa Clara | CA | — | ◇ UNVERIFIED |
| OCOwens Corning Insulating Systems, LLC - Fairburn | Fairburn | GA | — | ◇ UNVERIFIED |
| OCOwens Corning Insulating Systems, LLC - Joplin | Joplin | MO | — | ◇ UNVERIFIED |
| OCOwens Corning Oem Solutions Group | Hebron | OH | — | ◇ UNVERIFIED |
| OCOwens Corning Tucker Plant | Palestine | TX | — | ◇ UNVERIFIED |
| PPerformaglass | Fordland | MO | — | ◇ UNVERIFIED |
| PPPic Plastics | Denver | CO | — | ◇ UNVERIFIED |
| PIPsc Industries INC Dba Glasrite | Louisville | KY | — | ◇ UNVERIFIED |
| QIQuality Insulators, INC. | Green Bay | WI | — | ◇ UNVERIFIED |
| QMQuietflex Manufacturing Company, LP | Groveland | FL | — | ◇ UNVERIFIED |
| RIResolco, INC. | Houston | TX | — | ◇ UNVERIFIED |
| ROResolute of Tennessee INC | Madison | TN | — | ◇ UNVERIFIED |
| RERetek Engineering Solutions LLC Dba Anc | Elkhart | IN | — | ◇ UNVERIFIED |
| RARieter Automotive North America | Lowell | IN | — | ◇ UNVERIFIED |
| RSRock Structures Construction Company, an | Corona | CA | — | ◇ UNVERIFIED |
| RRockwool | Kearneysville | WV | — | ◇ UNVERIFIED |
| RIRockwool Industries INC | Pueblo | CO | — | ◇ UNVERIFIED |
| RWRock Wool Manufacturing | Houston | TX | — | ◇ UNVERIFIED |
| RWRock Wool Manufacturing Company | Leeds | AL | — | ◇ UNVERIFIED |
| RURoxul USA INC. | Kearneysville | WV | — | ◇ UNVERIFIED |
| RURoxul USA Inc., Ran Facility | Ranson | WV | — | ◇ UNVERIFIED |
| RPR P Engineering | Morton | PA | — | ◇ UNVERIFIED |
| SISpectrum Insulation LLC | Carmichael | CA | — | ◇ UNVERIFIED |
| SLStuddard, LLC | Roswell | NM | — | ◇ UNVERIFIED |
| TCThomas Clark Fiberglass LLC | Harvey Cedars | NJ | — | ◇ UNVERIFIED |
| TITracom, INC. | Alpharetta | GA | — | ◇ UNVERIFIED |
| TPTru-fit Products LLC | Waverly | TN | — | ◇ UNVERIFIED |
| UCUpf Corporation | Bakersfield | CA | — | ◇ UNVERIFIED |
| UIUsg Interiors INC 99 Site | Milton | WA | — | ◇ UNVERIFIED |
| UGUS Greenfiber, LLC | Chandler | AZ | — | ◇ UNVERIFIED |
| WCWalter Coke INC Fiber Div | Birmingham | AL | — | ◇ UNVERIFIED |
| WFWestern Fiberglass - Salt Lake City Plant | Salt Lake City | UT | — | ◇ UNVERIFIED |
