Duncan Company is a premier supplier of Valves and Actuators, Instruments and Process Controls, Process Safety Products and Piping Specialties.  For over 100years we have strived to supply the market with Quality Products, excellent Customer Service and Innovative Solutions.


As one of Minnesota’s largest stocking Industrial Distributor of ball valves and butterfly valves, actuators, instruments and controls, safety products and piping specialties we can supply you with the following key product manufacturers:  Keystone, Jamesbury, Apollo, Cashco, KTM, Prince, Vanessa, Anderson Greenwood, Asco, ABZ, AMRI, Champion Valve, Kelair, Mogas, Rotork, VSI Waterworks, Morin, Edward Valve, Powell, P.B.V., Saunders, Sharpe, Leser, Taylor, InLine Ball Valve,  Xomox, EVR Products, Aquamatic, Flowserv NAF Control Valves, Hayward, Habonim, Kinetrol, Remote Control, KOSO Hammel Dahl, Tricentric, Lined Valve, Wika, Ametek U.S. Gauge,  Spirax Sarco, SOR,  Fil-trek, BS&B Safety Systems, Protectoseal, Parker, BLX,  Hy-Lok USA, JMS, Westlock, DFT, Marsh Bellofram, Precison Digital, Rotronic, Thermal Instrument, Trerice, Tru-Flo, Keckley, Flextech Industries, Dynamix Agitators, Sentry Equipment, Grinnell, Shurjoint, Federal Screen, Yarway and more.


Our History