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