About Us
GSI Erosion Supply is a family-owned, multi-generational business with over 21 years of experience serving the Carolinas, from Greenville and Spartanburg to Hendersonville and Asheville.
We’re a division of Garrett Specialties Incorporated, and our roots run deep in grading and erosion-control across the region. That experience stands behind every product we sell.
We look forward to earning your trust and loyalty by delivering quality work and quality materials at a fair price.
Why Choose Us
- Quality First. We sell the materials we trust on our own job sites. We stand behind what we sell.
- Community. A multi-generational business proud to serve our Carolina neighbors.
- Honest Pricing. Transparent pricing based on market value. Discount pricing if paying cash.
- On the Job Expertise. Decades of grading and erosion-control know-how.
- Customer Satisfaction. We ensure you get the right product and outcome every time.