| Company | Location | Certifications | License # |
|---|---|---|---|
| 3r Inc | Greenville, SC | Pumper | 23-368-23083 |
| 413 Construction Llc | Pelzer, SC | Installer (Tier 2) | OSWWI0606 |
| Ahc Enterprises, Llc Dba Benjamin Franklin Plumbing | Greenville, SC | Installer (Tier 2) | 23-367-23234 |
| Ahc Enterprises, Llc Dba Benjamin Franklin Plumbing | Greenville, SC | Pumper | 23-368-23056 |
| American Drainfield Septic Service | Greer, SC | Installer (Tier 2) | 23-367-23148 |
| Andew Smith | Simpsonville, SC | Installer (Tier 2) | OSWWI0074 |
| Arm Llc | Greenville, SC | Installer (Tier 2) | OSWWI0490 |
| Bailey Septic Tanks | Greenville, SC | Installer (Tier 2) | 23-367-23074 |
| Batson'S Plumbing | Fountain Inn, SC | Installer (Tier 2) | OSWWI0789 |
| Bayne Septic Tank | Travelers Rest, SC | Installer (Tier 2) | 23-367-23088 |
| Bishop Mays Inc. | Greer, SC | Installer (Tier 2) | OSWWI0436 |
| Bmc Landscaping And Outdoor Services | Belton, SC | Installer (Tier 2) | 23-367-23301 |
| Booker Interprise | Piedmont, SC | Installer (Tier 2) | 23-367-23304 |
| Boswell Grading Llc | Greer, SC | Installer (Tier 2) | 42-367-42227 |
| Brk Grading | Greer, SC | Installer (Tier 2) | OSWWI0432 |
| Brothers Plumbing Air & Electr | Greer, SC | Installer (Tier 2) | 23-367-23279 |
| Bsi, Llc | Greer, SC | Pumper | 23-368-23046 |
| C&M Grading Inc | Greer, SC | Installer (Tier 2) | 23-367-23204 |
| Cantrells Tree And Land Management Llc | Piedmont, SC | Installer (Tier 2) | OSWWI0041 |
| Carolina 85 Grading Llc | Greenville, SC | Installer (Tier 2) | OSWWI0218 |
| Carolina Diggin | Travelers Rst, SC | Installer (Tier 2) | OSWWI0341 |
| Carolina Septic | Greer, SC | Installer (Tier 2) | 23-367-23187 |
| Clearly Grounded Llc | Greer, SC | Installer (Tier 2) | OSWWI0835 |
| Clearview Grading Llc | Honea Path, SC | Installer (Tier 2) | 23-367-23305 |
| Collins Hammett Const Llc | Greer, SC | Installer (Tier 2) | 42-367-42013 |
| Creamer Landscap & Grading Inc | Pelzer, SC | Installer (Tier 2) | 23-367-23185 |
| Davis Landscaping | Belton, SC | Installer (Tier 2) | 23-367-23299 |
| Davis Septic, Grading, Pumping | Belton, SC | Pumper | 23-368-23082 |
| Dean Construction & Development | Simpsonville, SC | Installer (Tier 2) | OSWWI0257 |
| Dennis Ballew | Taylors, SC | Installer (Tier 1) | OSWWI0292 |
| Down South Septic | Greer, SC | Installer (Tier 2) | OSWWI0632 |
| Dr Flush | Woodruff, SC | Pumper | 04-368-04014 |
| Elite Water And Sewer | Taylors, SC | Installer (Tier 2) | OSWWI0749 |
| Enterprize Plumbing | Simpsonville, SC | Installer (Tier 2) | 23-367-23209 |
| Erin Schumpert | Simpsonville, SC | Installer (Tier 2) | OSWWI0152 |
| Ervin Home Services Llc | Greenville, SC | Installer (Tier 2) | 23-367-23275 |
| Ethical Plumbing | Taylors, SC | Installer (Tier 1) | OSWWI0294 |
| Fusionsite Georgia Llc Dba Littlejohn Portable Toilets | Greenville, SC | Pumper | OSWWP0105 |
| Gms Septics | Landrum, SC | Installer (Tier 2) | OSWWI0151 |
| Grace Services Sc | Greenville, SC | Installer (Tier 2) | OSWWI0811 |
| Harper General Contractors | Greenville, SC | Installer (Tier 2) | OSWWI0193 |
| Hays Construction Management, Llc | Taylors, SC | Installer (Tier 2) | OSWWI0348 |
| Home Again Carolina Inc | Simpsonville, SC | Pumper | 23-368-23070 |
| Hunter Dirt Works | Taylors, SC | Installer (Tier 2) | OSWWI0441 |
| Hyder Construction Co Inc | Landrum, SC | Installer (Tier 2) | 42-367-42096 |
| J Michael Barbrey Grading | Fountain Inn, SC | Installer (Tier 2) | 23-367-23222 |
| Jalan Companies | Greer, SC | Installer (Tier 2) | 23-367-23226 |
| Jcl Grading & Construction Inc | Taylors, SC | Installer (Tier 2) | 23-367-23102 |
| Jm Land Investing | Honea Path, SC | Installer (Tier 1) | OSWWI0681 |
| Joe Gilreath | Taylors, SC | Installer (Tier 2) | 23-367-23265 |
| John Tinsley | Greenville, SC | Installer (Tier 2) | OSWWI0248 |
| Jolly Rogers Masonry Solutions Llc | Greer, SC | Installer (Tier 2) | 04-367-04261 |
| Jyw Sewer & Septic | Greenville, SC | Installer (Tier 2) | OSWWI0418 |
| Kodiak Construction | Simpsonville, SC | Installer (Tier 2) | 23-367-23248 |
| Lbk Exterior Services Inc | Landrum, SC | Installer (Tier 2) | 23-367-23268 |
| Lee'S | Pelzer, SC | Installer (Tier 2) | OSWWI0711 |
| Lees Well Drilling And Septic | Pelzer, SC | Pumper | 23-368-23071 |
| Lg Welding & Repair Llc | Marietta, SC | Installer (Tier 2) | OSWWI0759 |
| Lisa Gibson | Greenville, SC | Installer (Tier 2) | 23-367-23261 |
| Lp Septic Solutions Llc | Travelers Rst, SC | Installer (Tier 2) | OSWWI0492 |
| Lp Septic Solutions Llc | Travelers Rst, SC | Pumper | OSWWP0130 |
| Matt Hafner | Honea Path, SC | Installer (Tier 2) | 23-367-23290 |
| Mckinney | Greer, SC | Installer (Tier 2) | OSWWI0295 |
| Mid-South Grading | Greer, SC | Installer (Tier 2) | OSWWI0040 |
| Modern Forestry | Travelers Rst, SC | Installer (Tier 2) | OSWWI0243 |
| Mr. Rooter Plumbing Of Greenville | Greer, SC | Installer (Tier 1) | OSWWI0302 |
| Mr. Rooter Plumbing Of Greenville | Greer, SC | Pumper | OSWWP0091 |
| Oem Llc Dba Griffin Waste | Greer, SC | Pumper | 23-368-23078 |
| One Nation Grading | Greer, SC | Installer (Tier 2) | OSWWI0472 |
| Palmer Excavation Llc | Simpsonville, SC | Installer (Tier 2) | OSWWI0724 |
| Parks Grading Company Llc | Taylors, SC | Installer (Tier 2) | 23-367-23314 |
| Payne Mcginn & Cummins Inc | Travelers Rest, SC | Installer (Tier 2) | 23-367-23159 |
| Piedmont Environ. Svcs Llc | Greenville, SC | Pumper | 23-368-23050 |
| Pilgrim Septic | Marietta, SC | Installer (Tier 2) | OSWWI0748 |
| Preferred Home Services | Greer, SC | Installer (Tier 2) | 10-367-10119 |
| Preferred Home Services | Greer, SC | Pumper | OSWWP0025 |
| Prime Septic | Belton, SC | Installer (Tier 2) | 04-367-04229 |
| Prime Septic | Belton, SC | Pumper | 23-368-23064 |
| Property Service Professionals | Greer, SC | Installer (Tier 2) | 42-367-42270 |
| Raybrook Homes Llc | Greer, SC | Installer (Tier 2) | OSWWI0659 |
| Renew Land Management | Greenville, SC | Installer (Tier 2) | OSWWI0830 |
| Rj Masonry | Greenville, SC | Installer (Tier 2) | 23-367-23291 |
| Rock Soild Exavation | Spartanburg, SC | Installer (Tier 1) | OSWWI0767 |
| Roper Brothers Inc | Fountain Inn, SC | Installer (Tier 2) | 23-367-23009 |
| Roto Rooter | Greenville, SC | Installer (Tier 2) | 23-367-23198 |
| Roto Rooter | Greenville, SC | Pumper | 23-368-23040 |
| Royal Flush Of The Carolinas | Piedmont, SC | Pumper | 23-368-23069 |
| Rw Grading | Taylors, SC | Installer (Tier 2) | 23-367-23295 |
| Rw Grading | Taylors, SC | Pumper | 23-368-23073 |
| Saluda River Excavating Llc | Pelzer, SC | Installer (Tier 2) | OSWWI0323 |
| Saluda River Services | Cleveland, SC | Installer (Tier 2) | OSWWI0050 |
| Sc Septic Llc | Greer, SC | Pumper | 23-368-23065 |
| Septic Pro Llc | Greer, SC | Installer (Tier 2) | 23-367-23277 |
| Septic Pro, Llc | Greer, SC | Pumper | 23-368-23061 |
| Septic Solution Llc | Greer, SC | Installer (Tier 2) | 23-367-23297 |
| Septic Solution Llc | Greer, SC | Pumper | 23-368-23075 |
| Southern Flow | Greer, SC | Installer (Tier 2) | 23-367-23287 |
| Southern Magnolia Enterprises | Travelers Rest, SC | Installer (Tier 2) | 23-367-23235 |
| Stewart Construction Co Of Greer Inc | Greer, SC | Installer (Tier 2) | OSWWI0763 |
| Swamp Rabbit Septic | Travelers Rest, SC | Pumper | 23-368-23066 |
| T Mize Septic Service | Greer, SC | Installer (Tier 2) | OSWWI0491 |
| Tankersley Brothers Inc | Travelers Rest, SC | Installer (Tier 2) | 23-367-23090 |
| Taylors Plumbing Llc | Marietta, SC | Installer (Tier 2) | 23-367-23289 |
| Thornton Plumbing Llc | Greer, SC | Installer (Tier 2) | OSWWI0178 |
| Tim'S Septic Llc | Travelers Rest, SC | Installer (Tier 2) | 23-367-23256 |
| Tolley Construction And Hauling Llc | Greenville, SC | Installer (Tier 2) | 23-367-23278 |
| Tydes Construction Llc | Taylors, SC | Installer (Tier 2) | 23-367-23313 |
| Upland Builders Llc | Greer, SC | Installer (Tier 2) | 23-367-23309 |
| Upstate Septic Installations, Llc | Greer, SC | Installer (Tier 2) | OSWWI0336 |
| Upstate Septic Tank Llc | Woodruff, SC | Pumper | 23-368-23054 |
| Wayne Breedlove Grading | Marietta, SC | Installer (Tier 2) | 23-367-23166 |
| Well Spring Construction | Taylors, SC | Installer (Tier 2) | 23-367-23233 |
| White Horse Worx Inc | Travelers Rest, SC | Installer (Tier 2) | 23-367-23282 |
| Winegar & Sons Excavating Llc | Landrum, SC | Installer (Tier 2) | OSWWI0133 |
114 companies in the SCDES on-site wastewater (OSWW) contractor registry are based in Greenville 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.