Best well drillers in Marlboro County, South Carolina
Not a pay-to-play list: these are the 15 drilling companies with wells on record in Marlboro County, ranked by wells actually drilled here — 78 logged wells in the SC Department of Environmental Services' Coastal Plain Well Inventory together with the USGS National Water Information System groundwater inventory (records as of 2026-10-12). Every number links back to the public record.
| # | Company | In Marlboro Co. since 2016 | All-time in county | Statewide |
|---|---|---|---|---|
| 1 | Professional Pump & Well | 1 | 3 | 38 |
| 2 | Heater Well Co. | — | 19 | 402 |
| 3 | Carolina Drilling | — | 9 | 50 |
| 4 | Bill's Well Drilling | — | 9 | 39 |
| 5 | Layne-Atlantic | — | 7 | 630 |
| 6 | Virginia Well Co. | — | 6 | 62 |
| 7 | Woodham | — | 5 | 47 |
| 8 | Demco | — | 5 | 30 |
| 9 | Cribbs | — | 4 | 86 |
| 10 | Mcneill | — | 3 | 124 |
| 11 | Aaa Well Drilling | — | 2 | 700 |
| 12 | Welch | — | 2 | 156 |
| 13 | Connelly | — | 2 | 31 |
| 14 | Austin | — | 1 | 67 |
| 15 | Sydnor | — | 1 | 120 |
Ranked by wells drilled in Marlboro County since 2016 (then all-time), from the full SCDES + USGS record. A ★ marks a featured sponsor — sponsors must appear in the county record to be listed, and the ranking below them is never reordered.
Who drills the most wells in Marlboro County?
Professional Pump & Well has drilled the most Marlboro County wells in the recent record — 1 since 2016, 3 in the county all-time.
How many well drilling companies work in Marlboro County?
15 companies in the SCDES + USGS record have drilled wells in Marlboro County; 3 of them have drilled somewhere in South Carolina since 2022. Smaller operators below the record threshold may also serve the area.
How deep is a typical well in Marlboro County?
The median drilled depth in Marlboro County is 121 ft, based on 237 recorded wells. Depths, water levels, and yields are on the Marlboro County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on the Marlboro County wells page.
Free. Goes to licensed drillers working Marlboro County.
Drill in Marlboro County?
If your company is on this list, your profile is free to claim — confirm your details and add your contact information so Marlboro County property owners reach you directly.
Claim your profileFree to claim · built from SCDES + USGS public well-log records.