Acknowledgments The authors and publisher would like to thank the following companies, organizations, and individuals for their contribution of resource material, images, or other support in the development of Modern Masonry. Air Vol Block Allen Engineering Corporation American ConForm Industries, Inc. American Plywood Association Anchor Wall Systems, Inc. Anderson Corporation Areté 3 Ltd. Besser Company Bomanite Corporation Brick Industry Association Cemcast Pipe & Precast, LLC, Hartford, SD Concrete Products of New London/JME Concrete Reinforcing Steel Institute Cotton Angus Ranch, Volga, SD Dayton Superior Donley Brothers Company Eldorado Stone Corporation Elgin-Butler Company Eneco Corporation Fireplace Professionals, Inc. in Sioux Falls, SD Fox Blocks Gage Brothers in Sioux Falls, SD GCC Ready Mix in Watertown, SD General Shale Brick Glen-Gery Corporation Heatilator, Inc. Indiana Limestone Institute Interpace Corp. ITW Ramset/Red Head Jack Klasey Job Corps, Denison, IA John R. Bare & Associates Johnson Level and Tool Manufacturing Company, Inc. Kawneer Company, Inc. LiteForm Technologies Marco Manufacturing, Inc. Marshalltown Company MK Diamond Products, Inc. Nancy Henke-Konopasek National Concrete Masonry Association National Terrazzo and Mosaic Association, Inc. NRG Insulated Block, Buffalo, NY Occupational Safety & Health Administration Oldcastle APG South, Inc. DBA Georgia Masonry Supply Portland Cement Association Rattle Stick ConcreteTools Robinson Brick Company Sarah Carroll, Boston Valley Terra Cotta Stanley Goldblatt Stone Products Corporation Superior Glove The InterDesign Group, Indianapolis, Indiana The Majestic Co., Inc. Tilt-up Concrete Association Trenwyth Industries, Inc. ULTRA GREEN FLOOR SWEEP, Platte, SD US Department of Labor Wilkening Fireplace Company Wire Reinforcement Institute vi