| Fiber Cement |
| CertainTeed | http://www.certainteed.com |
| Insulated Metal Panels |
| Englert | http://www.englertinc.com |
| Insulated Metal Panels |
| IPS | http://www.insulated-panels.com |
| Insulated Metal Panels |
| Kastner Metals | http://www.emburyco.com |
| Insulated Metal Panels |
| Kingspan | http://www.kingspanpanels.com |
| Insulated Metal Panels |
| Metal Sales Manufacturing Corp. | http://www.metalsales.us.com |
| Insulated Metal Panels |
| Metlspan | http://www.metlspan.com |
| Metal |
| Centria | http://www.centria.com |
| Metal |
| Centurion | http://www.alertroofsystems.com |
| Roof Panels | Metal | AEP Span | http://www.aepspan.com |
| Roof Panels | FRP | Resolite | http://www.resolite.com |
| Roof Panels | Plastic | Resolite | http://www.resolite.com |
| Roof Tiles | Concrete | Eagle Green | http://www.eagleroofing.com |
| Roof Tiles | Glazed Clay | Boral | http://www.boral.com |
| Roof Tiles | Plastic | Novik | http://www.novik.com |
| Roof Tiles |
| The Tapco Group | http://www.thetapcogroup.com |
| Shingles |
| GAF | http://www.gaf.com |
| Shingles |
| New Tech | http://www.newtechshingles.com |
| Shingles | Slate | North Country Slate | http://www.northcountryslate.com |
| Shingles |
| Owens Corning | http://www.owenscorning.com |
| Shingles and Shakes | Wood | Green River | http://www.greenrivershake.com |
| Siding |
| CertainTeed | http://www.certainteed.com |
| Translucent |
| Kalwall | http://www.kalwall.com |
| Translucent |
| Major Industries | http://www.majorskylights.com |
| Vinyl and Polymer Siding |
| CertainTeed | http://www.certainteed.com |
|
| Dow | http://building.dow.com |
|
| GAF | http://www.gaf.com |
| Fire Retardant Coverings |
| Cedar Shake & Shingle Bureau | http://www.cedarbureau.org |
| Fire Retardant Coverings |
| FireTect, Inc. | http://www.firetect.com |
|
| Barrier Technology Corp. | http://www.intlbarrier.com |
|
| Cedar Shake & Shingle Bureau | http://www.cedarbureau.org |
|
| Chemco, Inc. | http://www.chemco.us |
|
| Concrete Alliance, Inc. | http://www.concreteallianceinc.com |
|
| DACS, INC. | http://www.punchdeck.com |
|
| Hoover Treated Wood Products, Inc. | http://www.FRTW.com |
|
| Meti-Span LLC | http://www.metlspan.com |
|
| Naturalite Skylight Systems | http://www.naturalite.com |
|
| Naturalite Skylight Systems | http://www.naturalite.com |
|
| NEPTCO | http://www.neptco.com |
|
| Outwater Plastics Industries, Inc. | http://www.outwater.com |
|
| Tectum, Inc. | http://www.tectum.com |
|
| U.S. Architectural Products, Inc. | http://www.architecturalproducts.com |