Best well drillers in Gregory County, South Dakota
Not a pay-to-play list: these are the 22 drilling companies with wells on record in Gregory County, ranked by wells actually drilled here — 288 logged wells in the South Dakota DANR well completion report database (NR68) (records as of 2026-08-24). Every number links back to the public record.
| # | Company | In Gregory Co. since 2016 | All-time in county | Statewide |
|---|---|---|---|---|
| 1 | Stretch's Well Service, Inc. | 5 | 6 | 1,175 |
| 2 | Grosch Irrigation Co., Inc. | 3 | 6 | 164 |
| 3 | Beck's Well & Irrigation, Inc. | 1 | 7 | 85 |
| 4 | Oliver Well Drilling | — | 73 | 114 |
| 5 | Hutmacher Drilling, Inc. | — | 63 | 855 |
| 6 | Juracek Well Boring | — | 43 | 81 |
| 7 | Burke Concrete, Inc. | — | 36 | 114 |
| 8 | Sather Drilling, Inc. | — | 14 | 179 |
| 9 | Geotek Engineering & Testing | — | 6 | 661 |
| 10 | Aberle Well Services | — | 6 | 350 |
| 11 | Grosz Drilling Company | — | 6 | 236 |
| 12 | Huron Drilling, Incorporated | — | 3 | 2,246 |
| 13 | Environmental Technologies, Inc. | — | 3 | 310 |
| 14 | Sioux Well Drilling | — | 3 | 146 |
| 15 | Sargent Irrigation | — | 2 | 122 |
| 16 | Chase Drilling | — | 2 | 319 |
| 17 | Hickey Well Drilling | — | 2 | 209 |
| 18 | Meier Well Drilling | — | 2 | 149 |
| 19 | Grooms Drilling, Inc. | — | 2 | 117 |
| 20 | Thein Well Company, Inc. | — | 1 | 942 |
| 21 | Christensen Well & Irrigation, | — | 1 | 188 |
| 22 | Dakota Environmental, Inc. | — | 1 | 181 |
Ranked by wells drilled in Gregory County since 2016 (then all-time), from the full SD DANR 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 Gregory County?
Stretch's Well Service, Inc. has drilled the most Gregory County wells in the recent record — 5 since 2016, 6 in the county all-time.
How many well drilling companies work in Gregory County?
22 companies in the SD DANR record have drilled wells in Gregory County; 9 of them have drilled somewhere in South Dakota since 2022. Smaller operators below the record threshold may also serve the area.
How deep is a typical well in Gregory County?
The median drilled depth in Gregory County is 72 ft, based on 334 recorded wells. Depths, water levels, and yields are on the Gregory County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on the Gregory County wells page.
Free for property owners. We route your request only to licensed drillers who actually file well logs in Gregory County — never sold elsewhere.
Drill in Gregory County?
If your company is on this list, your profile is free to claim — confirm your details and add your contact information so Gregory County property owners reach you directly.
Claim your profileFree to claim · built from SD DANR public well-log records.