Air Barrier Association of America
AIA Iowa
AIA Minnesota
AIA North Dakota
AIA South Dakota
AIA Wisconsin
Association of Licensed Architects
Associated General Contractors of Minnesota Office
Archinect
Brick Industry Association
Construct Tomorrow
International Masonry Institute
Masonry Advisory Council
Masonry Institute of Iowa
Masonry Systems
Mason Contractors Association of America
Minnesota Historical Society
National Concrete Masonry Association
Portland Cement Association
Rocky Mountain Institute
TED: Technology, Entertainment, Design
U.S. Department of Energy
U.S. Green Building Council
World Architecture News