⟁ Ohio Well Data field records · 2026 survey

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Best well drillers in Mercer County, Ohio

Not a pay-to-play list: these are the 43 drilling companies with wells on record in Mercer County, ranked by wells actually drilled here — 4,705 logged wells in the Ohio Department of Natural Resources (ODNR) Division of Geological Survey water-well log database (records as of 2026-09-28). Every number links back to the public record.

43companies on record
14active since 2022
4,705wells in county record
#CompanyIn Mercer Co. since 2016All-time in countyStatewide
1 Quinter Well Drilling LLC 735 3,256 12,110
2 Dellinger Bros LLC 133 372 1,045
3 Huwer Drilling 22 135 371
4 Wiley Well Drilling Inc. 13 39 6,647
5 G H Bierly Inc. 8 9 4,071
6 Sever Water Well Drilling 7 112 4,265
7 Davis Drilling 7 55 415
8 Ortman Drilling Inc. 6 8 26
9 Maas Brothers Drilling 2 2 539
10 Boes Water Well Drilling 1 1 374
11 Able Well & Pump 1 1 1,103
12 Robert M Andrew And Sons — 127 139
13 Fisher (John J) — 119 216
14 Moody Brothers — 114 206
15 Jackson (C W) & Sons Inc. — 90 201
16 Hole & Middlebrook — 77 403
17 Grimm (Barnett) — 55 335
18 Rammel (Ben) — 43 62
19 Thomas (Waldo C) — 23 43
20 Garrison Well Drilling — 14 640
21 Lynch (Theodore) — 8 599
22 Jackson & Sons Drilling & Pump Co. — 6 3,154
23 Bulcher (Willard) — 5 270
24 Hamilton (H S) & Sons — 4 346
25 Hasson Well Drilling — 4 212
26 Wiley Drilling Co. — 4 60
27 Hamilton & Sons Well Drilling — 2 3,868
28 Garrison (Clay P) — 2 1,192
29 Patterson Drilling — 2 92
30 Fisher's Well Drilling — 2 92
31 Belasco Drilling Inc. — 2 47
32 Flinner Drilling Inc. — 1 8,475
33 Moody's OF Dayton Inc. — 1 361
34 Thomas Well Drilling — 1 1,244
35 Barnes & Sons — 1 446
36 W U Scott Drilling — 1 278
37 Price Drilling — 1 184
38 Medaugh (William K) — 1 152
39 Kuck (H J) — 1 107
40 Dunbar Drilling Co. — 1 86
41 Floyd's Water Well Drilling — 1 66
42 Moody & Associates Inc. — 1 33
43 Garrison (Dorwin) — 1 25

Ranked by wells drilled in Mercer County since 2016 (then all-time), from the full ODNR 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 Mercer County?

Quinter Well Drilling LLC has drilled the most Mercer County wells in the recent record — 735 since 2016, 3,256 in the county all-time.

How many well drilling companies work in Mercer County?

43 companies in the ODNR record have drilled wells in Mercer County; 14 of them have drilled somewhere in Ohio since 2022. Smaller operators below the record threshold may also serve the area.

How deep is a typical well in Mercer County?

The median drilled depth in Mercer County is 150 ft, based on 5,049 recorded wells. Depths, water levels, and yields are on the Mercer County wells page.

Well depths, static water levels, tested yields, and drilling cost estimates for this county live on the Mercer County wells page.

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Free to claim · built from ODNR public well-log records.