- Mason Contractors Association of St. Louis
- Mason Contractors Association of America (MCAA)
- Masonry Institute of St. Louis
- International Masonry Institute (IMI)
- The Masonry Society
- Brick Institute of America (BIA)
- American Subcontractors Association (ASA)
- American Society of Civil Engineers (ASCE)
- National Society of Professional Engineers (NSPE)
- American Society for Testing and Materials (ASTM)
- Construction Specification Institute (CSI)
