Industry Links
- Interlocking Concrete Pavement Institute (ICPI)
- American Institute of Architects
- Masonry Institute of America
- Mason Contractors Association of America
- National Association of Home Builders
- The Masonry Society
- National Masonry Association
- National Concrete Masonry Association
- Lehigh Cement Company
- Hohmann & Barnard
- Indiana Concrete Masonry Association
- Lafarge North America
- Mortar Net
- Precast Specialties, Inc.
- Prosoco
- RPG Inc
- SGS Solomon Colors, Inc.
- Building Contractors Association
- Midwest Masonry Council
- U.S. Green Building Council