The International Building Materials Group European Parent Company www.crh.com Oldcastle Manufactures and Distributes Architectural Building Products American Parent Company www.oldcastle.com American Institute of Architects AIA North Carolina AIA Triangle www.aia.org www.aianc.org www.aiatriangle.org American Society for Testing and Materials www.astm.org Brick Industry Association www.bia.org Brick southeast a Brick Industry Association www.gobricksoutheast.com Carolina Concrete Masonry Association www.ccmaonline.com Construction Specifications Institute www.csinet.org Expanded Shale, Clay and Slate Institute www.escsi.org Interlocking Concrete Pavement Institute www.icpi.org Masonry Advisory Council www.maconline.org Masonry Institute of America www.masonryinstitute.org The Masonry Society www.masonrysociety.org Masonry Systems www.masonrysystems.org National Association of Home Builders www.nahb.org NAHB Concrete Home Building Council www.nahb.org/concrete National Concrete Masonry Association www.ncma.org North Carolina Masonry Contractors Association, Inc. www.ncmca.com Portland Cement Association www.cement.org Promoting Non-combustible Concrete Construction www.pafscac.org Greener Buildings www.greenerbuildings.com U. S. Green Building Council www.usgbc.org