The Ontario Masonry Contractors’ Association (OMCA) was established in 1972 to represent contractors who specialize in the installation of masonry units and also manufacturers, suppliers, and dealers who are involved with masonry materials, equipment, and accessories.

OMCA’s functions include:

  • Managing labour relations for contractor members with both Bricklayers and Labourers unions including handling the affairs of MIECO/OBBC, the designated Brick Employer Bargaining Agency.
  • Promoting masonry construction in Ontario by initiating and supporting promotional and research programs.
  • Training