Insights

Strong Industry Presence GSI Geo-Synthetics Systems LLC has built a reputable legacy over 40 years as a trusted provider in geosynthetic distribution, fabrication, and installation, serving key industries such as waste management, mining, power, and agriculture. This extensive experience indicates a solid foundation for expanding project collaborations and offering tailored containment solutions.

Largest Installations As one of the largest independent liners installers nationally, GSI manages numerous landfill and containment projects across the United States, presenting opportunities to position complementary products and expand services in large-scale environmental projects.

Diversified Product Portfolio GSI's status as an authorized distributor for multiple leading geosynthetic brands and its innovative GEOSTRUX™ geotextile tubes for sediment cleanup highlight its diverse product offerings, enabling sales teams to cross-sell advanced containment and erosion control solutions to existing clients.

Market Expansion Potential Serving a broad mix of sectors from solid waste to environmental remediation suggests opportunities to introduce new geosynthetic technologies tailored to emerging market trends like landfill safety, waterway sediment management, and environmental compliance.

Established Industry Relationships With a well-established network and a strong reputation for reliable, project-specific solutions, GSI is positioned to attract clients from competitive sectors seeking expert partners for complex environmental containment projects, creating opportunities for strategic partnerships and bulk project opportunities.

GSI Geo-Synthetics Systems LLC Tech Stack

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

  • WordPress
    Content Management System
  • Google Fonts API
    Font Scripts
  • yepnope.js
    Javascript Frameworks
  • jQuery
    Javascript Libraries
  • jQuery Migrate
    Javascript Libraries
  • Yoast SEO
    Search Engines
  • ZURB Foundation
    UI Frameworks
  • Nginx
    Web Servers

Media & News

GSI Geo-Synthetics Systems LLC's Email Address Formats

GSI Geo-Synthetics Systems LLC uses at least 1 format(s):
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

Where is GSI Geo-Synthetics Systems LLC's headquarters located?

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GSI Geo-Synthetics Systems LLC's main headquarters is located at 2401 Pewaukee Road Waukesha, Wisconsin 53188 United States. The company has employees across 1 continents, including North America.

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 February 2026, GSI Geo-Synthetics Systems LLC's annual revenue is estimated to be $29M.

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

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

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

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As of February 2026, GSI Geo-Synthetics Systems LLC has approximately 38 employees across 1 continents, including North America. Key team members include Chief Executive Officer: R. G.Cfo/Coo: J. O.Vp Of Construction Services Sales: M. D.. 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 WordPressGoogle Fonts APIyepnope.jsjQueryjQuery MigrateYoast SEOZURB FoundationNginx.

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

Environmental ServicesWisconsin, United States11-50 Employees

When it comes to environmental containment, GSI does it all. For over 40 years, Geo-Synthetics Systems LLC has built a legacy as one of the nation’s most trusted names in geosynthetic distribution, fabrication, and installation. Serving industries from power and solid waste to mining and agriculture, we specialize in geosynthetic solutions that support erosion control, contamination cleanup, and complex containment challenges.
Sourcing and managing multiple vendors can stall critical environmental projects. That’s why GSI offers a streamlined approach—acting as your all-in-one partner to plan, estimate, supply, and install tailored containment systems. As one of the largest independent liner installers in the country, we offer both the best-in-class products and the deep industry know-how to back them up.
What sets us apart? 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.  In addition, with its GEOSTRUX™ geotextile tubes, GSI has supported sediment clean-up projects on waterways throughout the United States.  GSI is an authorized distributor for many of the most recognized names of geosynthetic materials and erosion control products.  GSI delivers responsive, reliable solutions designed around your project’s specific needs—with a professional team committed to getting it right.

One Source. Many Solutions.
With a unified network of specialized subsidiaries, BPI provides a comprehensive portfolio of energy expertise under one roof. Our collaborative approach removes complexity, ensures consistency, and drives innovation across every engagement.

Section iconCompany Overview

Headquarters
2401 Pewaukee Road Waukesha, Wisconsin 53188 United States
Phone number
SIC Code
5169 - Chemicals and Allied Products, Not Elsewhere Classified
NAICS Code
54162 - Environmental Consulting Services
Founded
1971
Employees
11-50

Section iconMedia & News

Section iconFunding & Financials

  • $25M$50M

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

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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