Geo-Synthetics, LLC is a distributor, fabricator, and installer of geosynthetic materials for a broad range of erosion control and containment applications for landfill sites, construction sites, road construction projects and contaminated waterways. For over 40 years, Geo-Synthetics has been  providing geosynthetic materials, project field support, and installation expertise. GSI is one of the country’s largest independent installers of liners for landfill sites, and manages installation projects in all parts of the country.