American Society of Plumbing Engineers (Local and National)
IPCA (Independent Plumbing Contractors Association)
National Kitchen & Bath (Local and National)
Plumbing Suppliers Council * (Local)
Plumbing Industry Council (Local)
Missouri Association of Plumbing Heating Cooling Contractors
Southern Illinois AIA (local)
*Milt Loft, Dickison Dunsworth, and John Berra are past presidents of this organization.