Geo-Synthetics LLC

  • Construction & Engineering
2401 Pewaukee Rd
Waukesha, WI 53188-2437
(262) 524-7979
(262) 524-7961 (fax)
  • About

    GSI provides construction products and services for highway and commercial projects, as well as environmental contractors. This includes stabilization and drainage fabrics erosion control products, and installation of geomembranes and paving grade fabrics.