Insights

One-stop containment GSI Position: A leading independent liner installer and geosynthetic solutions provider with end-to-end services from planning to installation. Sales Opportunity: pitch integrated containment packages that streamline sourcing and reduce project timelines for landfill liners, erosion control, and contamination cleanup.

Nationwide reach Geographic footprint: Capable of managing installation projects across the United States. Sales Opportunity: target nationwide EPCs, municipalities, and large industrial operators needing consistent performance and national service coverage.

Diversified applications Industry exposure: Served segments include power, solid waste, mining, and agriculture with sediment cleanup via GEOSTRUX tubes. Sales Opportunity: cross-sell to adjacent sectors and leverage erosion control, containment, and cleanup solutions for multiple asset types and sites.

Strong partnerships Channel strategy: Authorized distributor for major geosynthetic brands. Sales Opportunity: position as a trusted, single-source integrator to simplify vendor management and capture installation and fabrication revenue through preferred supplier programs.

Growth and scale Financials and market stance: Revenue in the mid-range with significant project execution capabilities and a reputation as one of the largest independent liner installers. Sales Opportunity: engage with larger projects, renewables and infrastructure initiatives that require reliable execution and scalable containment solutions.

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GSI Geo-Synthetics Systems LLC Tech Stack

GSI Geo-Synthetics Systems LLC uses 8 technology products and services including WordPress, Font Awesome, Google Fonts API, and more. Explore GSI Geo-Synthetics Systems LLC's tech stack below.

  • Content Management System
  • Font Awesome
    Font Scripts
  • Google Fonts API
    Font Scripts
  • yepnope.js
    Javascript Frameworks
  • Modernizr
    Javascript Libraries
  • PHP
    Programming Languages
  • Yoast SEO
    Search Engines
  • ZURB Foundation
    UI Frameworks

GSI Geo-Synthetics Systems LLC's Email Address Formats

GSI Geo-Synthetics Systems LLC uses at least 4 email formats:
GSI Geo-Synthetics Systems LLC Email FormatsExamplePercentage
FirstL@geo-synthetics.comJohnD@geo-synthetics.com
84%
FLast@geo-synthetics.comJDoe@geo-synthetics.com
7%
First@geo-synthetics.comJohn@geo-synthetics.com
6%
Last_First@geo-synthetics.comDoe_John@geo-synthetics.com
3%

Frequently Asked Questions

What is GSI Geo-Synthetics Systems LLC's phone number?

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You can contact GSI Geo-Synthetics Systems LLC's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is GSI Geo-Synthetics Systems LLC's official website and social media links?

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GSI Geo-Synthetics Systems LLC's official website is geo-synthetics.com and has social profiles on LinkedIn.

How much revenue does GSI Geo-Synthetics Systems LLC generate?

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As of July 2026, GSI Geo-Synthetics Systems LLC's annual revenue is estimated to be $25M - $50M.

What is GSI Geo-Synthetics Systems LLC's SIC code and NAICS code?

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GSI Geo-Synthetics Systems LLC's SIC code is 5169 - Chemicals and Allied Products, Not Elsewhere Classified and NAICS code is 54162 - Environmental Consulting Services.

How many employees does GSI Geo-Synthetics Systems LLC have currently?

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As of July 2026, GSI Geo-Synthetics Systems LLC has approximately 39 employees across 1 continents, including North America. Key team members include Chief Executive Officer: R. G., Cfo/Coo: J. O. and Branch Manager: J. M. Explore GSI Geo-Synthetics Systems LLC's employee directory with LeadIQ.

What industry does GSI Geo-Synthetics Systems LLC belong to?

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GSI Geo-Synthetics Systems LLC operates in the Environmental Services industry.

What technology does GSI Geo-Synthetics Systems LLC use?

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GSI Geo-Synthetics Systems LLC's tech stack includes WordPress, Font Awesome, Google Fonts API, yepnope.js, Modernizr, PHP, Yoast SEO and ZURB Foundation.

What is GSI Geo-Synthetics Systems LLC's email format?

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GSI Geo-Synthetics Systems LLC's email format typically follows the pattern of FirstL@geo-synthetics.com. Find more GSI Geo-Synthetics Systems LLC email formats with LeadIQ.

When was GSI Geo-Synthetics Systems LLC founded?

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GSI Geo-Synthetics Systems LLC was founded in 1971.
GSI Geo-Synthetics Systems LLC logo

GSI Geo-Synthetics Systems LLC

Environmental ServicesWisconsin, United States11-50 Employees

GSI Geo-Synthetics Systems LLC operates in environmental services with a focus on geosynthetic distribution, fabrication, and installation, a track record spanning more than four decades. Based in Waukesha, Wisconsin, it serves industries such as power, solid waste, mining, and agriculture, addressing erosion control, contamination cleanup, and complex containment challenges. The company emphasizes an integrated, all-in-one approach to containment projects, planning, estimating, supplying, and installing tailored systems to reduce coordination delays. It ranks among the country's leading independent installers of liners for landfill sites, with installation projects across the nation.

GSI is an authorized distributor for a broad range of geosynthetic materials and erosion control products and has leveraged GEOSTRUX geotextile tubes to support sediment cleanup efforts on waterways. The firm emphasizes a responsive, reliable service delivered by a professional team focused on aligning solutions to each project’s specific needs.

Section iconCompany Overview

Phone number
SIC Code
5169 - Chemicals and Allied Products, Not Elsewhere Classified
NAICS Code
54162 - Environmental Consulting Services
Founded
1971
Employees
11-50

Section iconFunding & Financials

  • $25M - $50M

    GSI Geo-Synthetics Systems LLC's revenue is estimated to be in the range of $25M - $50M

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