Composites
Because of the definition of the term, “composites” covers a lot of materials. The wikipedia article says that composites are “a material made from two or more constituent materials with significantly different physical or chemical properties that, when combined, produce a material with characteristics different from the individual components”.
Composites One
This United States company headquartered in Illinois supplies additives and fillers, reinforcements, resins, core materials, glass fiber/fabric, foam, gel coat and pigments, pre-impregnated materials, putty compounds, composite tooling materials and processing and tooling supplies for the aerospace, construction, consumer / recreation, defense / ballistics, industrial / corrosion, infrastructure, cured marble / solid surface, marine, transportation and wind energy / power industries.
West System, Inc.
WEST SYSTEM® manufactures 2-part, marine-grade epoxy that bonds and coats wood, fiberglass, metal, fabrics and composite materials. Their main market is boat hull construction and repair but their products are also used extensively in aircraft and architectural restoration. Their videos and guides on a wide variety of projects are excellent. Articles on various home and architectural projects are at http://www.westsystem.com/ss/home-architecture/