The Pennsylvania Concrete Masonry Association represents those who produce concrete masonry units which includes block, lintels, segmental retaining wall and pavers. Our membership is also made up of those companies who supply the industry with various goods and services. You'll find a complete listing of our members through the "Membership" category above in the navigation bar. Select "Producer Members" for a listing of members alphabetically or by county/state. Select "Associate Members" for an alphabetical listing with a snapshot of the services provided by each along with a link to their websites. What we do: PCMA provides technical and marketing support for our members and the specifiers of our products. We work together as well with the masonry instructors, various mason groups to coordinate efforts. Our committee structure provides the basis of our activities.