GSI Geo-Synthetics Systems LLC logo

GSI Geo-Synthetics Systems LLC Employee Directory

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.

Find GSI Geo-Synthetics Systems LLC employees' phone numbers or email addresses

GSI Geo-Synthetics Systems LLC Global Highlights

Location
Employees

North America
43

Minus sign iconPlus sign icon
  • United States Of America
    43

GSI Geo-Synthetics Systems LLC's Leadership

  • Chief Executive Officer at GSI Geo-Synthetics Systems LLC
    R. G.
    Chief Executive Officer
  • Cfo/Coo at GSI Geo-Synthetics Systems LLC
    J. O.
    Cfo/Coo
  • Branch Manager at GSI Geo-Synthetics Systems LLC
    J. M.
    Branch Manager
  • Senior Project Manager at GSI Geo-Synthetics Systems LLC
    J. T.
    Senior Project Manager
  • Assistant Project Manager at GSI Geo-Synthetics Systems LLC
    P. N.
    Assistant Project Manager
  • Superintendent at GSI Geo-Synthetics Systems LLC
    S. P.
    Superintendent
  • Superintendent at GSI Geo-Synthetics Systems LLC
    V. S.
    Superintendent
  • Estimator at GSI Geo-Synthetics Systems LLC
    L. T.
    Estimator

GSI Geo-Synthetics Systems LLC Employee Metrics

100%
50%
0%
2026
2025
  • Human Resources
  • Accounting
  • Supply Chain
  • Business
  • Business Development
  • Other
  • Support

Contact profiles from GSI Geo-Synthetics Systems LLC

Name
Title
Contact
Location
Last Update
  • Cfo/Coo at GSI Geo-Synthetics Systems LLC
    J. O.
    Cfo/Coo
    Oct 21, 2024
  • Chief Executive Officer at GSI Geo-Synthetics Systems LLC
    R. G.
    Chief Executive Officer
    Oct 17, 2024
  • Branch Manager at GSI Geo-Synthetics Systems LLC
    J. M.
    Branch Manager
    Oct 18, 2024
  • Senior Project Manager at GSI Geo-Synthetics Systems LLC
    J. T.
    Senior Project Manager
    Oct 21, 2024
  • Assistant Project Manager at GSI Geo-Synthetics Systems LLC
    P. N.
    Assistant Project Manager
    Oct 22, 2024
  • Superintendent at GSI Geo-Synthetics Systems LLC
    S. P.
    Superintendent
    Apr 25, 2025
  • Superintendent at GSI Geo-Synthetics Systems LLC
    V. S.
    Superintendent
    Oct 18, 2024
  • Estimator at GSI Geo-Synthetics Systems LLC
    L. T.
    Estimator
    Oct 18, 2024

Frequently Asked Questions

What is GSI Geo-Synthetics Systems LLC known for?

Minus sign iconPlus sign icon
GSI Geo-Synthetics Systems LLC was founded in 1971 and operates in the Environmental Services industry. You can contact GSI Geo-Synthetics Systems LLC's main corporate office by phone at . Explore GSI Geo-Synthetics Systems LLC's company overview page for more information.

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

Minus sign iconPlus sign icon
GSI Geo-Synthetics Systems LLC employees' email format typically follows the pattern of FirstL@geo-synthetics.com. Trying to find reliable and up-to-date employee contact data? Find more GSI Geo-Synthetics Systems LLC email formats with LeadIQ.

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

Minus sign iconPlus sign icon
GSI Geo-Synthetics Systems LLC has approximately 39 employees as of July 2026. These team members are located across 1 continents, including North America.

Who are GSI Geo-Synthetics Systems LLC's key employees and leadership?

Minus sign iconPlus sign icon

As of July 2026, GSI Geo-Synthetics Systems LLC's key employees include:

  • Chief Executive Officer: R. G.
  • Cfo/Coo: J. O.
  • Branch Manager: J. M.
  • Senior Project Manager: J. T.
  • Assistant Project Manager: P. N.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.