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Best well drillers in Defiance County, Ohio
Not a pay-to-play list: these are the 57 drilling companies with wells
on record in Defiance County, ranked by wells actually drilled here — 2,654 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.
57companies on record
19active since 2022
2,654wells in county record
| # | Company | In Defiance Co. since 2016 | All-time in county | Statewide |
|---|
| 1 | Layman Drilling LLC | 173 | 747 | 2,049 |
| 2 | Watson Well Drilling | 141 | 952 | 5,285 |
| 3 | Kaufman Well Drilling Inc. | 39 | 128 | 317 |
| 4 | Maas Brothers Drilling | 18 | 18 | 539 |
| 5 | Watson Drilling | 6 | 9 | 88 |
| 6 | Crabtree Drilling | 5 | 5 | 4,755 |
| 7 | Boes Water Well Drilling | 4 | 4 | 374 |
| 8 | Sever Water Well Drilling | 2 | 60 | 4,265 |
| 9 | Able Well & Pump | 2 | 6 | 1,103 |
| 10 | Ortman Drilling Inc. | 2 | 3 | 26 |
| 11 | Benchmark Drilling | 2 | 3 | 340 |
| 12 | Seismic Drilling Co. Inc. | 2 | 2 | 5,799 |
| 13 | Stoepfel Drilling LLC | 1 | 62 | 2,513 |
| 14 | Wyse Well Drilling Inc. | 1 | 59 | 681 |
| 15 | Jamison Well Drilling Inc. | 1 | 4 | 11,279 |
| 16 | Quinter Well Drilling LLC | 1 | 1 | 12,110 |
| 17 | Wiley Well Drilling Inc. | 1 | 1 | 6,647 |
| 18 | G H Bierly Inc. | 1 | 1 | 4,071 |
| 19 | Lalonde Well Drilling | — | 102 | 556 |
| 20 | Spitnale Well Drilling | — | 81 | 465 |
| 21 | Rupp Well Drilling Service | — | 71 | 307 |
| 22 | Frey Earth Boring | — | 69 | 409 |
| 23 | Jesse & Sons Well Drilling | — | 56 | 59 |
| 24 | Gilbert's Well Drilling Co. | — | 33 | 197 |
| 25 | Mark Stoepfel Drilling | — | 32 | 1,000 |
| 26 | Arthur's Well Drilling | — | 29 | 552 |
| 27 | Layman Well Drilling | — | 29 | 111 |
| 28 | Castor's Well Service | — | 15 | 108 |
| 29 | Thompson (M E) | — | 9 | 667 |
| 30 | Dan D Frey & Son | — | 8 | 59 |
| 31 | Frey Well Drilling | — | 6 | 223 |
| 32 | Derck Drilling | — | 6 | 82 |
| 33 | Shaffer (Byron) Well Drilling | — | 5 | 647 |
| 34 | Dellinger Bros LLC | — | 4 | 1,045 |
| 35 | Roth Earth Boring | — | 4 | 231 |
| 36 | Calvin (Denver O) | — | 3 | 134 |
| 37 | Vernon Grim Well Drilling | — | 3 | 37 |
| 38 | Steinman Water Well Drilling | — | 2 | 523 |
| 39 | Amos-Vollmar Drilling | — | 2 | 315 |
| 40 | Shaffer (William) Well Drilling | — | 2 | 86 |
| 41 | Frey (Ernest E) | — | 2 | 82 |
| 42 | Flinner Drilling Inc. | — | 1 | 8,475 |
| 43 | Walter's Well Drilling | — | 1 | 1,511 |
| 44 | Davis Drilling | — | 1 | 415 |
| 45 | E R Eppinger Drilling | — | 1 | 206 |
| 46 | Wilson (Jim) Well Drilling | — | 1 | 1,464 |
| 47 | Gilbert Well Drilling | — | 1 | 668 |
| 48 | Arthur E Plummer & Son | — | 1 | 560 |
| 49 | Vollmar (Kenneth) | — | 1 | 366 |
| 50 | Mack Drilling | — | 1 | 354 |
| 51 | Layne Ohio (Layne Christensen) | — | 1 | 347 |
| 52 | Wilson Plbg Htg & Cooling | — | 1 | 145 |
| 53 | Dawson Drilling | — | 1 | 135 |
| 54 | Patterson Drilling | — | 1 | 92 |
| 55 | Dunbar Drilling Co. | — | 1 | 86 |
| 56 | Vess Drilling | — | 1 | 61 |
| 57 | Tucker's Sales & Service Inc. | — | 1 | 31 |
Ranked by wells drilled in Defiance 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 Defiance County?
Layman Drilling LLC has drilled the most Defiance County wells in the recent record — 173 since 2016, 747 in the county all-time.
How many well drilling companies work in Defiance County?
57 companies in the ODNR record have drilled wells in Defiance County; 19 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 Defiance County?
The median drilled depth in Defiance County is 88 ft, based on 2,793 recorded wells. Depths, water levels, and yields are on the Defiance County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on
the Defiance County wells page.
Drill in Defiance County?
If your company is on this list, your profile is free to claim — confirm your details and add your
contact information so Defiance County property owners reach you directly.
Claim your profile Free to claim · built from ODNR public well-log records.