Contact us

Geo-Synthetics, LLC’s Corporate Office is located in Waukesha, Wisconsin, but with more than 120 employees in our operations, we are ready to service the needs of our customers nationwide.

With conveniently placed warehouses, GSI is able to offer next or second business day shipping to most areas of Minnesota, Wisconsin, Upper Michigan and Illinois on most orders of in stock items if placed before 2 pm Monday through Friday. You are also always welcome to pick items up at any of our stocking locations.

If you have any questions, comments and/or suggestions, please feel free to contact us anytime. We'd like to hear from you.

For Sales Assistance in your specific area, please refer to the National listings below:

Checked the Frequently Asked Questions and still can't find the answer? Send us an email and we'll respond as fast as we can, usually within 24 hours

 

 

 

Contacts for Liner & Installation Services:

	Mark Downs Regional Sales Representative Markd@geo-synthetics.com
	Bob Trexler Regional Sales Representative Bobt@geo-synthetics.com

 

 

 

 

 

Contacts for Construction Products:

Scott Nelson Regional Sales Representative Scottn@geo-synthetics.com Randy Hart Regional Sales Representative Randyh@geo-synthetics.com

Contacts for GSI Geotextile Tubes:

	Mike Groh Product Development Mikeg@geo-synthetics.com
	Randy Pit Geotextile Tube Product Manager Randyp@geo-synthetics.com

 

 

 

 

 

 

 

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