Simbeck and Associates, Inc. installs, fabricates & furnishes membrane liner material for environmental containment projects. These include reservoirs, landfill cells & caps, wastewater treatment lagoons, canals, golf course and decorative ponds, mine sites and oil & gas industrial containment. Our personnel install a full range of geosynthetic materials (including PVC, HDPE, XR-5, Polypropylene, GCL, Geotextiles, Geocomposites and Geonets). Since 1992 we have installed 210 million square feet – as authorized installers for half a dozen manufacturers. Completed projects list available upon request. Crews are based in Minnesota and Colorado.