Open to firms, individuals, and corporations in New York State engaged in the manufacture of zero slump concrete products manufactured on high production machines.

Open to firms, individuals and corporations engaged in the manufacture of zero slump concrete products manufactured on high production machines whose facility of operation is located geographically beyond the borders of New York State.

Open to manufacturers and suppliers of items supplied to the concrete masonry products industry who are also interested in the welfare of the concrete masonry products industry.

Open to design professionals, building officials, and others involved in the concrete masonry industry who are not eligible for membership in the other categories.