Geo-Synthetics LLC

What Geo-Synthetics LLC does

Geo-Synthetics Systems LLC (doing business as GSI) is a privately held, Waukesha, Wisconsin-based distributor, fabricator, and installer of geosynthetic materials serving environmental containment applications across the United States. The company supplies geotextiles, geomembranes, geogrids, erosion control products, sediment control products, and drainage fabrics, and manufactures its own GEOSTRUX™ line of geotextile tubes for dewatering sediments and industrial wastes. GSI operates one of the largest independent geotextile liner installation operations in the country, with field crews positioned across multiple U.S. locations to provide coast-to-coast service.

The company's core technology is built around physical geosynthetic materials — polymer-based fabrics, membranes, and tubes — combined with custom fabrication capabilities (slitting, seaming, re-rolling) that allow products to be tailored to project specifications. Its primary manufactured product, GEOSTRUX™ geotextile tubes, is used for dewatering applications including coal ash ponds, mining tailings, wastewater treatment sludge, industrial sludge, and environmental remediation at Superfund sites. GSI holds the registered GEOSTRUX trademark and serves as an authorized distributor for multiple recognized geosynthetic manufacturers.

GSI's revenue model is hybrid: hardware sales from materials distribution and GEOSTRUX™ tube manufacturing, paired with professional installation services for large-scale liner and containment projects. The company operates a centralized distribution facility in Waukesha supplemented by regional product specialists and customer service professionals, with go-to-market executed through direct enterprise field sales for large installation projects and a distribution channel for construction materials. Customers span nine vertical segments including utilities, landfills, industrial & manufacturing, wastewater treatment, civil construction, mining, agriculture, power & energy, and municipalities, with project-based, quote-based pricing and no publicly disclosed pricing structure.

Name

Geo-Synthetics LLC

Legal name

Geo-Synthetics Systems LLC

Website

https://geo-synthetics.com

Company type

Private

Founded year

1984

Operating status

Operating

Headcount range

51–100 employees

Short description

Geo-Synthetics Systems LLC (GSI) is a Waukesha, Wisconsin-based distributor, fabricator, and installer of geosynthetic materials providing environmental containment solutions — including geotextile liners, geomembranes, and GEOSTRUX™ geotextile tubes — to utilities, landfills, industrial, wastewater, mining, agriculture, and power & energy customers across the United States.

Ownership category

akta.pro rank

Product category

Geosynthetic Materials & Installation Services

NAICS

Support Activities for Mining (213)

SIC

Construction, Mining & Materials Handling Machinery & Equip (3530), Wholesale-Construction & Mining (No Petro) Machinery & Equip (5082)

akta.pro primary industry

Green Stormwater Infrastructure (GI/LID) (Bioretention, Permeable Pavements, Green Roofs) (EUANAEAE)

Keywords

• Geosynthetic materials
• Geotextile installation
• Erosion control products
• Environmental containment liners
• Geotextile tubes

Headquarters

HQ city

Waukesha

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Geosynthetic Materials Distribution: GSI distributes geosynthetic materials including geotextiles, geomembranes, geogrids, erosion control and sediment control products as an authorized distributor for multiple manufacturers. Products are shipped from the Waukesha, Wisconsin distribution facility.
2. Installation Services: GSI provides installation services for geotextile liners across the USA, serving landfills, power/energy, civil construction, EPA/Corp of Engineers projects, pulp and paper, oil and gas, aquaculture, agriculture and mining industries. GSI is one of the largest installers of geotextile liners in the USA.
3. Geotextile Tube Manufacturing: GSI manufactures GEOSTRUX™ Geotextile Tubes for dewatering applications, supporting environmental construction efforts including Superfund sites and dredging projects.

Go-to-market motion2 records

Distribution channels2 records

Marketing channels1 record

Core offering

Geo-Synthetics Systems LLC (GSI) is a distributor, fabricator, and installer of geosynthetic materials for environmental containment applications including erosion control and contamination cleanup. The company distributes a broad range of branded geosynthetic products, manufactures GEOSTRUX™ geotextile tubes for dewatering sediments and industrial wastes, and provides custom fabrication (slitting, seaming, re-rolling) and nationwide installation services for landfills, power and energy, civil construction, mining, and wastewater treatment projects.

Product overview

Geo-Synthetics Systems LLC (GSI) operates as a distributor, fabricator, and installer of geosynthetic materials for environmental containment applications. The company offers three interconnected product/service areas: (1) Construction Materials & Fabrics product line encompassing Drainage, Erosion Control, Geomembranes, Geotextiles & Geogrids, and Sediment Control products with customization capabilities (slitting, seaming, re-rolling); (2) Liner & Installation Services providing large-scale installation of geotextile liners nationwide; and (3) GEOSTRUX™ Geotextile Tubes, a manufactured product for dewatering applications. GSI serves diverse industries including power, solid waste, mining, agriculture, landfills, wastewater treatment, and civil construction.

Differentiator

Problem solved

Functional benefit

Brands

• GEOSTRUX™: Geotextile Tubes manufactured by GSI for dewatering of sediments and industrial wastes, including applications for coal ash ponds, industrial sludge, mining tailings, wastewater treatment plant sludge, and environmental construction projects such as Superfund sites.

Products and services

• Construction Materials & Fabrics A product line of geosynthetic construction materials covering drainage, erosion control, geomembranes, geotextiles and geogrids, and sediment control. Products are tailored to project specifications through in-house slitting, seaming, and re-rolling fabrication, and shipped nationwide from the Waukesha, Wisconsin distribution facility to landscape, environmental engineering, and general contractors.
• Liner & Installation Services Large-scale geotextile liner installation services performed by crews operating from locations across the United States for landfills, power and energy facilities, civil construction projects, EPA and Corp of Engineers projects, pulp and paper, oil and gas, aquaculture, agriculture, wastewater treatment, and mining. GSI describes itself as one of the largest installers of geotextile liners in the USA.
• GEOSTRUX™ Geotextile Tubes Manufactured geotextile tubes used to dewater sediments and industrial wastes in applications including coal ash ponds, industrial sludge, mining tailings, wastewater treatment plant sludge, and dredging or Superfund environmental cleanup sites. GEOSTRUX™ is a registered brand of Geo-Synthetics Systems LLC.

Quantifiable outcome

• 40+ years of experience providing trusted service to power, solid waste, mining, and agriculture industries

Segments9 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

One partnership is on record.

• Multiple Geosynthetic Material ManufacturerscoreChannel Partner/ Reseller/ DistributorGSI is an authorized distributor for many of the most recognized names of geosynthetic materials and erosion control products. This distributor relationship enables GSI to offer a broad range of branded materials to its customer base while serving as a channel partner for the manufacturers.

Scale indicators3 records

Recent moves5 records

Expansion highlights4 records

Market position

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Geo-Synthetics LLC