| Company | Location | Certifications | License # |
|---|---|---|---|
| 3 C'S Grading | Central, SC | Installer (Tier 2) | OSWWI0827 |
| Ambrose Dennis | Pickens, SC | Installer (Tier 2) | 39-367-39008 |
| Ambrose Dennis | Pickens, SC | Pumper | 39-368-39007 |
| Ambrose Dennis Septic Tank Svc | Pickens, SC | Installer (Tier 2) | 39-367-39152 |
| Arroyos Grading And Excavation | Greer, SC | Installer (Tier 2) | OSWWI0719 |
| Ballard Grading | Liberty, SC | Installer (Tier 2) | 39-367-39112 |
| Bearden Farm, Grading, & Land Service | Pickens, SC | Installer (Tier 2) | OSWWI0138 |
| Blue Mountain Grading | Six Mile, SC | Installer (Tier 2) | OSWWI0397 |
| Blue Mountain Grading Llc | Joseph Scott Aiken, SC | Installer (Tier 2) | OSWWI0400 |
| Bridgman Construction | Marietta, SC | Installer (Tier 2) | 39-367-39045 |
| Brooks Septic Tank | Liberty, SC | Installer (Tier 2) | 39-367-39041 |
| Brooks Septic Tank Co | Liberty, SC | Pumper | 39-368-39020 |
| Cantrell'S Grading | Pickens, SC | Installer (Tier 2) | 37-367-37230 |
| Cantrell'S Grading | Pickens, SC | Installer (Tier 2) | 37-367-37231 |
| Charlie Ellenburg Iii, Charlie Ellenburg Grading | Marietta, SC | Installer (Tier 2) | OSWWI0177 |
| Charlie Martin Septic Tank | Easley, SC | Installer (Tier 2) | 39-367-39014 |
| Corey Smith | Easley, SC | Installer (Tier 2) | 04-367-04253 |
| Cove Utility Llc | Easley, SC | Installer (Tier 2) | OSWWI0015 |
| Davis Grading & Septic Tanks | Pickens, SC | Installer (Tier 2) | 39-367-39130 |
| Davis Premier Contractors, Llc | Liberty, SC | Installer (Tier 2) | OSWWI0261 |
| Deming Family Tree, Llc | Pickens, SC | Installer (Tier 2) | OSWWI0517 |
| Diamond Grading & Brush Contro | Liberty, SC | Installer (Tier 2) | 39-367-39145 |
| Diversified Services | Pickens, SC | Installer (Tier 2) | OSWWI0481 |
| Don'S Tree Service & Excavation Llc | Easley, SC | Installer (Tier 2) | OSWWI0764 |
| Earthworx Land Development Llc | Liberty, SC | Installer (Tier 2) | 39-367-39153 |
| Ellenburg Grading & Excavating | Sunset, SC | Installer (Tier 2) | 39-367-39149 |
| Epps Grading | Pickens, SC | Installer (Tier 2) | 39-367-39139 |
| Foster & Sons Grading & Septic | Pickens, SC | Installer (Tier 2) | 39-367-39128 |
| Gantt'S Septic Tanks | Liberty, SC | Installer (Tier 2) | 39-367-39122 |
| Gary Davis | Marietta, SC | Installer (Tier 2) | OSWWI0084 |
| Gentry Services | Easley, SC | Installer (Tier 2) | OSWWI0099 |
| Gordon Landworks | Pickens, SC | Installer (Tier 2) | 39-367-39144 |
| Gravley Builders | Pickens, SC | Installer (Tier 2) | 39-367-39137 |
| Hawkins Construction | Pickens, SC | Installer (Tier 2) | OSWWI0450 |
| Hawkins Custom Construction Ll | Pickens, SC | Installer (Tier 2) | 39-367-39141 |
| Heaton Septic | Easley, SC | Installer (Tier 2) | OSWWI0088 |
| Heinert Plumbing And Drain Llc | Central, SC | Installer (Tier 2) | OSWWI0367 |
| High Country Grading | Liberty, SC | Installer (Tier 2) | 39-367-39132 |
| High Country Grading | Liberty, SC | Pumper | 39-368-39023 |
| High Country Grading Llc | Liberty, SC | Installer (Tier 2) | OSWWI0043 |
| Indigo Plumbing Llc | Easley, SC | Installer (Tier 2) | OSWWI0475 |
| J D Septic Tank And Grading Services Llc | Pickens, SC | Installer (Tier 2) | 39-367-39129 |
| J Miller Contracting Llc | Six Mile, SC | Installer (Tier 2) | OSWWI0242 |
| J&J Grading And Land Management Llc | Liberty, SC | Installer (Tier 2) | OSWWI0293 |
| Jeffrey Hagan | Easley, SC | Installer (Tier 1) | OSWWI0635 |
| Jennings Grading | Easley, SC | Installer (Tier 2) | 39-367-39116 |
| Jerry Poole | Pickens, SC | Installer (Tier 2) | 39-367-39121 |
| Johnson Septic Tank | Liberty, SC | Installer (Tier 2) | 39-367-39100 |
| Joshua Dennison | Liberty, SC | Installer (Tier 2) | OSWWI0092 |
| Jre Builders Llc | Easley, SC | Installer (Tier 2) | OSWWI0131 |
| K.M.I. Of Easley | Easley, SC | Installer (Tier 2) | 39-367-39091 |
| Mccoy Grading | Easley, SC | Installer (Tier 2) | OSWWI0435 |
| Mcshire Assoc Inc | Six Mile, SC | Installer (Tier 2) | 39-367-39125 |
| Mercks Landworx Llc | Easley, SC | Installer (Tier 2) | OSWWI0678 |
| Nifty Crofters Llc | Sunset, SC | Installer (Tier 2) | 23-367-23267 |
| One Call Llc | Easley, SC | Installer (Tier 2) | OSWWI0195 |
| Palmetto Grading And Services Llc | Easley, SC | Installer (Tier 2) | OSWWI0185 |
| Patriot Septic Llc | Marietta, SC | Installer (Tier 2) | OSWWI0518 |
| Patriot Septic Llc | Marietta, SC | Pumper | OSWWP0148 |
| Peace Construction And Septic | Pickens, SC | Installer (Tier 2) | OSWWI0115 |
| Pfd Plumbing Co. | Easley, SC | Installer (Tier 2) | OSWWI0470 |
| Pump Monkey Septic Services | Liberty, SC | Installer (Tier 2) | OSWWI0174 |
| Pump Monkey, L.L.C. | Clemson, SC | Pumper | OSWWP0107 |
| Robert Pierson Construction | Sunset, SC | Installer (Tier 2) | 39-367-39127 |
| Roberts Septic Service & Grading | Liberty, SC | Installer (Tier 2) | OSWWI0113 |
| Rock Solid Earthworks | Pickens, SC | Installer (Tier 2) | OSWWI0414 |
| Russell P King | Easley, SC | Installer (Tier 2) | 39-367-39092 |
| Sc Underground Solutions Llc | Easley, SC | Installer (Tier 2) | OSWWI0370 |
| Searcy Landscaping & Hauling | Pickens, SC | Installer (Tier 2) | OSWWI0703 |
| Southern Homesteads | Pickens, SC | Installer (Tier 2) | OSWWI0583 |
| Stanley Chapman'S S/T Service | Liberty, SC | Installer (Tier 2) | 39-367-39002 |
| Stanley Chapman'S S/T Service | Liberty, SC | Pumper | 39-368-39003 |
| Table Rock Realty | Pickens, SC | Installer (Tier 2) | 23-367-23066 |
| Theren Bartlet | Easley, SC | Installer (Tier 2) | OSWWI0076 |
| Tj & B Trucking | Six Mile, SC | Pumper | 39-368-39022 |
| Tj&B Trucking | Six Mile, SC | Installer (Tier 2) | 04-367-04219 |
| Tlc Land Clearing | Pickens, SC | Installer (Tier 2) | 39-367-39134 |
| Trae'S Clearing & Grading Llc | Six Mile, SC | Installer (Tier 2) | 39-367-39138 |
| Ucs Underwood Custom Services | Pickens, SC | Installer (Tier 2) | OSWWI0690 |
| Upstate Bobcat Excavating Llc | Six Mile, SC | Installer (Tier 2) | 39-367-39088 |
| Valley Farms Contractors | Pickens, SC | Installer (Tier 2) | OSWWI0683 |
| Way More Transportation Llc | Liberty, SC | Pumper | 39-368-39025 |
| White Oak Land Development Llc | Pickens, SC | Installer (Tier 2) | OSWWI0109 |
83 companies in the SCDES on-site wastewater (OSWW) contractor registry are based in Pickens County as of 2026-07-23. Companies based elsewhere in South Carolina also commonly serve the county.
Tell us what you need — we'll connect you with state-certified companies serving your area. No obligation.