The Asphalt Roofing Manufacturers Association (ARMA) is a trade association that represents the majority of North America’s asphalt roofing manufacturing companies. ARMA is committed to spearheading research and development in the asphalt roofing industry, as well as promoting asphalt roofing to the building industry and the public. At ARMA’s web site, you’ll find “everything there is to know about steep-slope and low-slope asphalt roofing.”