American Society of Plumbing Engineers (Local and National)

IPCA (Independent Plumbing Contractors Association)

St. Louis Home Builders 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)

Downtown St. Louis Partnership

*Milt Loft, Dickison Dunsworth, and John Berra are past presidents of this organization.