HEATKEYS

Based in Skokie, Ill., the Portland Cement Association represents cement companies in the United States and Canada. It conducts market development, engineering, research, education, and public affairs programs.

IMDb: The biggest, best, most award-winning movie site on the planet.

USGS Mineral Resources Program Home Page: A source of unbiased information on the occurrence, quality, quantity, and availability of mineral resources. This website contains information about the Program, current activities, and products.

The QUIKRETE

James Hardie: World Leader in Fiber Cement Siding and Backerboard, Providing

Shop online for all your home improvement needs: appliances, bathroom decorating ideas, kitchen remodeling, patio furniture, power tools, bbq grills, carpeting, lumber, concrete, lighting, ceiling fans and more at The Home Depot.

OPCMIA AFL-CIO labor union represents apprentice journeyperson plasterers cement masons shophands in building construction trade. Local Unions in USA, Canada.

Essroc is a leading manufacturer of cement and concrete admixtures serving the cement and construction industries.

Nichiha, manufacturer of fiber cement, building products for residential and commercial applications.