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Best well drillers in Madison County, Montana
Not a pay-to-play list: these are the 90 drilling companies with wells
on record in Madison County, ranked by wells actually drilled here — 5,891 logged
wells in Montana Bureau of Mines and Geology Ground Water Information Center (GWIC) (records as of 2026-07-27). Every number links back to
the public record.
90companies on record
32active since 2022
5,891wells in county record
| # | Company | In Madison Co. since 2016 | All-time in county | Statewide |
|---|
| 1 | Graham Drilling Inc. | 603 | 1,830 | 3,141 |
| 2 | Red Tiger Drilling | 167 | 411 | 3,139 |
| 3 | Potts Drilling Inc. | 135 | 333 | 3,839 |
| 4 | Okeefe Drilling Co. | 66 | 652 | 8,849 |
| 5 | AK Drilling Inc. | 65 | 85 | 1,288 |
| 6 | Van Dyken Drilling Inc. | 57 | 350 | 5,564 |
| 7 | MT Dept OF Transportation | 36 | 139 | 5,869 |
| 8 | Diamond M Drilling Inc. | 32 | 44 | 782 |
| 9 | Old Town Drilling | 31 | 31 | 163 |
| 10 | Western Water Wells | 30 | 30 | 1,146 |
| 11 | Excel Pump And Well Inc. | 28 | 28 | 99 |
| 12 | Graham Drilling & Pumps | 28 | 28 | 38 |
| 13 | Montana Highway Dept. | 16 | 16 | 370 |
| 14 | Lindsay Drilling Co. Inc. | 13 | 104 | 6,738 |
| 15 | Pioneer Technical Services Inc. | 13 | 13 | 204 |
| 16 | Bridger Drilling Inc. | 12 | 151 | 2,382 |
| 17 | A-10 Drilling | 12 | 21 | 2,343 |
| 18 | Haz Tech Drilling Inc. | 6 | 15 | 2,135 |
| 19 | Vidic Drilling Inc. | 6 | 6 | 1,062 |
| 20 | Excel Drilling | 4 | 4 | 42 |
| 21 | Bertram Drilling Inc. | 3 | 6 | 748 |
| 22 | Aaaa Water Well Drilling Inc. | 2 | 2 | 769 |
| 23 | Parsons Drilling | 1 | 6 | 417 |
| 24 | Beck Drilling & Pump | 1 | 2 | 364 |
| 25 | Boland Drilling | 1 | 1 | 1,807 |
| 26 | Madison Drilling & Pump Supply | — | 661 | 681 |
| 27 | U.s. Bureau OF Reclamation | — | 104 | 322 |
| 28 | Hillman Drilling | — | 99 | 2,321 |
| 29 | P And K | — | 71 | 90 |
| 30 | Morelock | — | 65 | 130 |
| 31 | Haggerty Drilling | — | 58 | 3,618 |
| 32 | Big Sky | — | 52 | 85 |
| 33 | Jones | — | 45 | 642 |
| 34 | Dynamite Drilling | — | 40 | 631 |
| 35 | Aqua | — | 35 | 189 |
| 36 | Kevin Haggerty Drilling Inc. | — | 33 | 1,027 |
| 37 | Tri Valley | — | 31 | 61 |
| 38 | Briggs Drilling | — | 27 | 381 |
| 39 | Dept OF Transportation | — | 24 | 527 |
| 40 | Hulbert | — | 20 | 558 |
| 41 | Water & Environmental Technologies | — | 17 | 110 |
| 42 | Hayes Drilling | — | 13 | 1,920 |
| 43 | Lloyd | — | 12 | 130 |
| 44 | Atlatl Inc. | — | 12 | 86 |
| 45 | H & L Drilling Inc. | — | 11 | 7,604 |
| 46 | Pickett | — | 11 | 347 |
| 47 | Wroble | — | 11 | 101 |
| 48 | Starz | — | 11 | 71 |
| 49 | Jerome And Okeefe Drilling Co. | — | 10 | 1,032 |
| 50 | Mclaughlin | — | 10 | 31 |
| 51 | Jeromes Drilling Co. | — | 8 | 6,463 |
| 52 | Kornec | — | 6 | 135 |
| 53 | Barrus Drilling And Pump Co. | — | 6 | 109 |
| 54 | Morelock Drilling And Pump | — | 6 | 36 |
| 55 | Davis Brothers Drilling | — | 5 | 969 |
| 56 | Maxim Technologies | — | 5 | 491 |
| 57 | Beaverhead | — | 5 | 54 |
| 58 | Sommer | — | 4 | 131 |
| 59 | Bush | — | 4 | 44 |
| 60 | Bennetts | — | 4 | 33 |
| 61 | Wray | — | 4 | 32 |
| 62 | Agri Industries Inc. | — | 3 | 1,429 |
| 63 | Treasure State Drilling | — | 3 | 1,444 |
| 64 | B & H | — | 2 | 1,341 |
| 65 | Rock Creek Drilling Inc. | — | 2 | 977 |
| 66 | Advanced Well Drilling Inc. | — | 2 | 811 |
| 67 | Johnson | — | 2 | 658 |
| 68 | Jbr Environmental Consultants | — | 2 | 72 |
| 69 | Northern Pacific Railway | — | 2 | 63 |
| 70 | Hand | — | 2 | 63 |
| 71 | Aqua Drilling And Pump | — | 2 | 40 |
| 72 | Harlan Jones Drilling | — | 2 | 30 |
| 73 | White | — | 2 | 25 |
| 74 | Aaqua Drilling Inc. | — | 1 | 5,240 |
| 75 | Billmayer Drilling | — | 1 | 3,225 |
| 76 | Birchell Drilling | — | 1 | 1,046 |
| 77 | Hydrometrics Inc. | — | 1 | 194 |
| 78 | Anderson Drilling | — | 1 | 1,057 |
| 79 | Poverty Drilling | — | 1 | 992 |
| 80 | Brazill Drilling | — | 1 | 674 |
| 81 | B & H Drilling | — | 1 | 613 |
| 82 | B And B Drilling | — | 1 | 435 |
| 83 | Hudson | — | 1 | 342 |
| 84 | Mahurin Drilling | — | 1 | 101 |
| 85 | Bailey And Okeefe Drilling Co. | — | 1 | 82 |
| 86 | Nelson | — | 1 | 53 |
| 87 | Jones Welding & Drilling Co. | — | 1 | 50 |
| 88 | Andrew Well Drilling | — | 1 | 35 |
| 89 | Ulrich | — | 1 | 35 |
| 90 | United States Geological Survey | — | 1 | 28 |
Ranked by wells drilled in Madison County since 2016 (then all-time), from the full GWIC
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 Madison County?
Graham Drilling Inc. has drilled the most Madison County wells in the recent record — 603 since 2016, 1,830 in the county all-time.
How many well drilling companies work in Madison County?
90 companies in the GWIC record have drilled wells in Madison County; 32 of them have drilled somewhere in Montana since 2022. Smaller operators below the record threshold may also serve the area.
How deep is a typical well in Madison County?
The median drilled depth in Madison County is 100 ft, based on 6,624 recorded wells. Depths, water levels, and yields are on the Madison County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on
the Madison County wells page.
Drill in Madison County?
If your company is on this list, your profile is free to claim — confirm your details and add your
contact information so Madison County property owners reach you directly.
Claim your profile Free to claim · built from GWIC public well-log records.