GSI Erosion SupplySeptic service company in Greer, SC

GSI Erosion Supply is ranked #26 of 77 septic service companies in Greer by CR Score, with 57 out of 100 as of November 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

GSI Erosion Supply is open Monday to Saturday. Its listed hours are Monday to Friday, 7:30 AM – 5 PM; Saturday, 8 AM – 12 PM. On Saturdays it is open 8 AM to 12 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

Serves Greer and 11 towns within 25 miles: Valley Falls, Boiling Springs, Spartanburg, Taylors, Wade Hampton, Five Forks, Mauldin, Greenville, Simpsonville, Sans Souci and Berea. The list is based on the business's location and the usual service radius for septic and sewer service. Confirm your address is covered when you call.

GSI Erosion Supply has a rating of 5.0 from 17 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

Call GSI Erosion Supply on (864) 404-8970. The business is at 1250 Inman Rd, Wellford, SC 29385, Greer, SC. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.