| Company | Location | Certifications | License # |
|---|---|---|---|
| Aaa City Plumbing | Rock Hill, SC | Pumper | 46-368-46028 |
| Aaa City Plumbing Co | Rock Hill, SC | Installer (Tier 2) | 46-367-46183 |
| Affordable Septic Tank Systems | Sharon, SC | Installer (Tier 2) | 46-367-46145 |
| Alternative Septic Service Llc | Rock Hill, SC | Installer (Tier 2) | 46-367-46278 |
| Alternative Septic Services | Clover, SC | Installer (Tier 2) | 46-367-46275 |
| Alternative Septic Services | Lake Wylie, SC | Installer (Tier 2) | 46-367-46284 |
| Ama Septic Tank Cleaning Svc | York, SC | Pumper | 46-368-46025 |
| Bailes Construction | Blacksburg, SC | Installer (Tier 2) | 46-367-46201 |
| Barfield Grading Inc. | Fort Mill, SC | Installer (Tier 2) | 46-367-46240 |
| Bb Family Plumbing Llc | Rock Hill, SC | Installer (Tier 2) | 46-367-46262 |
| Becky Lena Mays | York, SC | Installer (Tier 2) | 46-367-46276 |
| Big Bear Excavation Llc | Hickory Grove, SC | Installer (Tier 2) | OSWWI0228 |
| Bolin Backhoe | Sharon, SC | Installer (Tier 2) | 46-367-46123 |
| Bruce | York, SC | Installer (Tier 2) | OSWWI0080 |
| Circle Services Llc | Clover, SC | Installer (Tier 2) | OSWWI0192 |
| Custom Grading Llc | York, SC | Installer (Tier 2) | OSWWI0640 |
| Darrell'S Backhoe Service | Sharon, SC | Installer (Tier 2) | 46-367-46179 |
| Deal Company Llc | Clover, SC | Installer (Tier 2) | 46-367-46254 |
| Dlc Septic Systems & Landscapi | Catawba, SC | Installer (Tier 2) | 46-367-46218 |
| Dlc Septic Systems & Landscapi | Catawba, SC | Pumper | 46-368-46160 |
| Doan Sun Plumbing Llc | York, SC | Pumper | OSWWP0082 |
| Douglas Earthworks Llc | Clover, SC | Installer (Tier 2) | OSWWI0244 |
| Dover'S Septic Tank | York, SC | Pumper | 46-368-46005 |
| Dws Grading Llc | Rock Hill, SC | Installer (Tier 2) | 46-367-46267 |
| Egm Plumbing | Sharon, SC | Installer (Tier 2) | 46-367-46285 |
| Faulkner Dev & Engineering Llc | Sharon, SC | Installer (Tier 2) | 46-367-46236 |
| Full Spectrum Plumbing Svc Llc | Rock Hill, SC | Installer (Tier 2) | 46-367-46252 |
| Hudson Septic | Rock Hill, SC | Installer (Tier 2) | OSWWI0219 |
| Hudson Septic | Rock Hill, SC | Pumper | OSWWP0156 |
| Hudson Septic Service | Rock Hill, SC | Pumper | 46-368-46032 |
| James S Stewart | Hickory Grove, SC | Installer (Tier 2) | 46-367-46263 |
| Jp Septic Solutions | Rock Hill, SC | Pumper | 46-368-46189 |
| Jp Septics | Rock Hill, SC | Installer (Tier 2) | 46-367-46286 |
| Jsii Builders, Llc | Mcconnells, SC | Installer (Tier 2) | 46-367-46241 |
| Justin Fougerousse | Rock Hill, SC | Installer (Tier 2) | OSWWI0232 |
| Kc Clearing And Septic Llc | Clover, SC | Installer (Tier 2) | OSWWI0608 |
| Kevin Stevens | Clover, SC | Installer (Tier 2) | OSWWI0729 |
| Kg Landworx Llc | Fort Mill, SC | Installer (Tier 2) | OSWWI0587 |
| Kg Landworx Llc | Fort Mill, SC | Pumper | OSWWP0154 |
| Lajerrold D Rawlinson | York, SC | Installer (Tier 2) | 46-367-46259 |
| Lutz Farms | Clover, SC | Installer (Tier 2) | 46-367-46258 |
| Maverick Venture Group East | Lake Wylie, SC | Installer (Tier 2) | 46-367-46244 |
| Mcgill Land Management & Septic | Clover, SC | Installer (Tier 2) | OSWWI0148 |
| Morehead Septic Services Llc | Clover, SC | Installer (Tier 2) | OSWWI0596 |
| Morehead Septic Services Llc | Clover, SC | Pumper | OSWWP0079 |
| Mr. Beaz Enterprise Llc | Catawba, SC | Installer (Tier 2) | 46-367-46260 |
| Neely Brothers Const& Plumbing | Rock Hill, SC | Installer (Tier 2) | 46-367-46251 |
| Norman Construction Co | Clover, SC | Installer (Tier 2) | 46-367-46265 |
| Oldskool Construction Company | Catawba, SC | Installer (Tier 2) | OSWWI0420 |
| Parrish Professional Services, Llc | Rock Hill, SC | Installer (Tier 2) | OSWWI0135 |
| Past The Pine Llc | Rock Hill, SC | Installer (Tier 2) | OSWWI0676 |
| Pink Portables | Fort Mill, SC | Pumper | 46-368-46169 |
| Pursley'S Grading | Clover, SC | Installer (Tier 2) | 46-367-46042 |
| Rawlinson Septic | York, SC | Pumper | 46-368-46191 |
| Ready Septic Llc | Sharon, SC | Installer (Tier 2) | OSWWI0072 |
| Ready Septic Llc | Sharon, SC | Pumper | OSWWP0021 |
| Robert Wool | Rock Hill, SC | Installer (Tier 2) | 46-367-46246 |
| Robinson Land Management | Clover, SC | Installer (Tier 2) | OSWWI0066 |
| Roto-Rooter | Rock Hill, SC | Installer (Tier 2) | 46-367-46216 |
| Sandifer Well & Septic Service | York, SC | Installer (Tier 2) | 46-367-46253 |
| Scott Good Septic | York, SC | Installer (Tier 2) | OSWWI0777 |
| Scott Goods Septic Systems Inc | York, SC | Installer (Tier 2) | 46-367-46230 |
| Straight & Narrow Property Solutions | Rock Hill, SC | Installer (Tier 2) | OSWWI0405 |
| T-N-T Homebuilders Llc | Mc Connells, SC | Installer (Tier 2) | OSWWI0404 |
| Terrain Development | York, SC | Installer (Tier 2) | 46-367-46283 |
| Tim Deal Septic Tank Services | Clover, SC | Installer (Tier 2) | 46-367-46227 |
| Tim Good | York, SC | Installer (Tier 2) | 46-367-46022 |
| Trent Davis | York, SC | Installer (Tier 2) | OSWWI0220 |
| Washington Excavating & Grading | Rock Hill, SC | Installer (Tier 2) | OSWWI0552 |
| Willie'S Septic | Rock Hill, SC | Installer (Tier 2) | 46-367-46269 |
| Willie'S Septic | Rock Hill, SC | Pumper | 46-368-46183 |
| Xcell Grading & Waterproofing | Rock Hill, SC | Installer (Tier 2) | 46-367-46209 |
72 companies in the SCDES on-site wastewater (OSWW) contractor registry are based in York County as of 2026-07-23. Companies based elsewhere in South Carolina also commonly serve the county.
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