Our roots in Duluth can be traced back to the Zalk Joseph Company. The Zalk Joseph Company, a steel fabricator in Duluth, was instrumental in the growth and development of this great region by providing the structural steel that built our vital industries and buildings. In the early 1970′s, Zalk Joseph Company combined three of its branches (Arrowhead Steel Distributing, Standard Salt & Cement, and Duluth Builders Supply) to form one distribution Company called ASDCO.
Other services provided: Equipment, Flotation, Silt Curtains, Gabions -- Concrete and Wire, Geotextiles/Geocomposites, Inlet Protection, Rolled Erosion Control Products, Sediment Logs/Wattles, Shoreline Stabilization, Silt Fence, Soil Reinforcement and Stabilizers, Stormwater Subsurface Detention/Retention, Turf Reinforcement Mats
Brock White is a full line distributor in the Upper Midwest US and Western Canada for geotextiles, geogrids, erosion control, silt and sediment control, porous paving, paving fabrics and grids, geomembranes, storm water management and soil reinforcement products.
Firestone Specialty products provides products for water management, infiltration, filtration, stormwater, irrigation, green parking, permeable pavers, rain gardens, turf reinforcement, water retention, water detention, drainage, gray water reuse, low volume water storage, and erosion control.