Geo-Synthetics Systems LLC - GSI

Geo-Synthetics Systems LLC - GSI Distributor of geotextiles, geogrids, drainage, erosion and sediment control products.
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Happy Earth Day from all of us at GSI!
04/22/2026

Happy Earth Day from all of us at GSI!

03/31/2026
GSI will be closed December 22nd-December 28th. Please remember to place your orders in anticipation of our holiday clos...
12/05/2025

GSI will be closed December 22nd-December 28th. Please remember to place your orders in anticipation of our holiday closure.

GSI will be closed on Thursday, November 27, and Friday, November 28, so our team members can spend time with their fami...
11/20/2025

GSI will be closed on Thursday, November 27, and Friday, November 28, so our team members can spend time with their families for Thanksgiving. Please be sure to place your orders prior to the holiday.

Happy 4th of July from all of us at GSI!
07/04/2025

Happy 4th of July from all of us at GSI!

Address

2401 Pewaukee Road
Waukesha, WI
53188

Opening Hours

Monday 7am - 4pm
Tuesday 7am - 4pm
Wednesday 7am - 4pm
Thursday 7am - 4pm
Friday 7am - 4pm

Telephone

+18004445523

Website

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