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Gsi Geo-Synthetics Systems Llc

Geo-Synthetics, LLC distributes, fabricates, and installs geosynthetic materials for erosion control and containment applications.

Environmental Services
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Headquarters
Waukesha, Wisconsin, United StatesSource: RevenueBaseRetrieved October 13, 2026
Employee range
51 to 200Source: RevenueBaseRetrieved October 13, 2026
Founded
1971Source: RevenueBaseRetrieved October 13, 2026
Published list appearances
16 supported appearances ↗Source: RevenueBase lists
The company at a glance

What does Gsi Geo-Synthetics Systems Llc do?

For over 40 years, Geo-Synthetics has provided geosynthetic materials, project field support, and installation expertise for containment, erosion control, and contamination clean-up. GSI manages liner installation projects for landfill sites throughout the country.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

Who it serves

GSI distributes products to landscape, environmental engineering, and general contractors.

What the business offers

Services & capabilities.

Geosynthetic materials

GSI is an authorized distributor of geosynthetic materials and erosion control products.

Source: LinkedIn company description · Retrieved October 13, 2026

Project field support and installation

Geo-Synthetics provides project field support and installation expertise where containment, erosion control, and contamination clean-up are needed.

Source: LinkedIn company description · Retrieved October 13, 2026

Explore the business in context

Company lists.

Supported appearances on published RevenueBase lists, including available memberships beyond displayed rankings.

Positions describe ordering within each source list. See how lists are built ↗

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Embeddable award for your website

BADGE PREVIEWGsi Geo-Synthetics Systems Llc listed #7 on Geotextile fabric manufacturers, September 29, 2026Open the published source list.
Gsi Geo-Synthetics Systems Llc

#7 Geotextile fabric manufacturers

Snapshot: September 29, 2026

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Company information

Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 4, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 15, 2026, September 16, 2026, September 19, 2026, September 29, 2026, October 10, 2026 and October 11, 2026. How the company lists are built.

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