Welcome to

      Northern Con-Agg, LLP

       Est. 1986

      Northern Con-Agg, LLP , NCA, began operations in

          1986 as an aggregate producer with operations in

       Minnesota and South Dakota. Today, Northern

       Con-Agg, LLP consists of two core business units,

       a mining division and a construction division. The

       mining division concentrates on aggregate and

       kaolin mining, while the construction division

       provides general contracting services for projects

       throughout the state of Washington.