National Organizations:

• Mason Contractors Association of America - masoncontractors.org - 800.536.2225
  
• Masonry Institute of America - masonryinstitute.org - 800.221-4000
  
• National Concrete Masonry Association - ncma.org - 703. 713-1900
  
• The Masonry Society - masonrysociety.org - 303.939-9700

State Organizations:

• AIA Hawaii - aiahononlulu.org - 808.545-4242
  
• Cement & concrete Products Industry0 - ccpihawaii.org - 808.848-7100
  
• Construction Specifications Institute - csinet.org - 808.847-1862
• Laborers' International Union of North America Local 368 Honolulu- local368.org - 808.841-5877
  
• SEAOH - seaoh.org - 808.536-2108