CertainTeed Corporation
- Construction materials, including insulation, roofing, ventilation, siding, windows, foundations, fence, decking and railing, garden, and ceilings. Interactive tools, distributor and contractor locators, detailed product catalogs, consumer and technical
- http://www.certainteed.com/

Boral Limited
- International manufacturer and supplier of asphalt, pre-mixed concrete, cement blocks, pavers and roof tiles, clay pavers and bricks, plaster board, flooring, windows, formwork and scaffolding.
- http://www.boral.com/