Phase II Class I landfill Expansion, Central County Solid Waste Disposal Complex. The 7.2 million square-foot expansion of the Sarasota Municipal Landfill.

It's Covered


Watch Toledo's WTOL TV, news coverage of Ottawa River Cleanup with GSI Geotextile Tubes.

Read about the "$49M dredging under way on Ottawa River" at

See results on a new study of nonwoven geotextiles in concrete pavements. Read article

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proven geosolutions

Geo-Synthetics, LLC has offered quality geo-solutions since 1971. We have worked hard to excel as a leader in the environmental industry and have stood the test of time, surpassed by no one in experience, service, and product offerings.

Geo-Synthetics, LLC (GSI) is recognized and respected as a full-service company, offering distribution, fabrication, and installation services nationally. GSI is one of the nations largest independent installers of geosynthetic materials, giving us the ability to source specification compliant materials from select leading manufacturers.

Our 30 years + installation experience, refined installation techniques and materials purchasing expertise combine to offer our clients unmatched geosynthetic product solutions on a supplied and installed basis. Behind every GSI product and service is a promise to deliver you the best our industry has to offer.

a notable source

drainageGSI has established solid working relationships with the industryâ™s leading suppliers and has positioned itself to be able to procure the most technically advanced geosynthetic materials currently available. GSI's client list has traditionally included general contracting firms, engineering companies, private owners and government agencies at all levels, located coast to coast in the United States operating in a wide range of industries. We have provided installation services in the waste management, power and energy, civil construction, pulp and paper, oil and gas, aquaculture, agriculture, and mining markets.



Geo-Synthethics, LLC, was recognized with the 2010 International Achievement Award (IAA) presented by the Industrial Fabrics Association International (IFAI) for design excellence. This year, professionals from 13 countries entered 383 projects in 29 categories.