Johns Manville www.johnsmanville.com
Knauf Fiberglass www.knauffiberglass.com
Owens Corning www.owenscorning.com
Midwest Insulation Contractors Association (MICA) www.micainsulation.org
National Insulation Association (NIA) www.insulation.org
Insulation Contractors Association of America (ICAA) www.insulate.org
American Institute of Architects www.aia.org
American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) www.ashrae.org
Construction Specifications Institute www.csinet.org
North American Insulation Manufacturers Association www.naima.org