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Best well drillers in Union County, Oregon
Not a pay-to-play list: these are the 65 drilling companies with wells
on record in Union County, ranked by wells actually drilled here — 2,938 logged
wells in the Oregon Water Resources Department (OWRD) well-log database (records as of 2026-08-14). Every number links back to
the public record.
65companies on record
16active since 2022
2,938wells in county record
| # | Company | In Union Co. since 2016 | All-time in county | Statewide |
|---|
| 1 | Earth & Water Works | 215 | 504 | 1,023 |
| 2 | Elkhorn Drilling Inc. | 68 | 68 | 347 |
| 3 | Courtney Well Drilling, LLC | 21 | 21 | 248 |
| 4 | Zollman's Larry Burd Well Drilling LLC | 15 | 19 | 1,083 |
| 5 | Riverside Inc. | 12 | 84 | 214 |
| 6 | Steven J Coley | 8 | 26 | 328 |
| 7 | Carpenter Drilling | 3 | 5 | 107 |
| 8 | Marciel Well Drilling & Pumps | 3 | 4 | 408 |
| 9 | Holt Services Inc. | 2 | 2 | 70 |
| 10 | Water Well Developing & Surveys | 1 | 1 | 678 |
| 11 | Stoffel Bros Drilling Co. | — | 743 | 1,671 |
| 12 | O. C. Tandy | — | 542 | 656 |
| 13 | B & A Drilling Co. | — | 178 | 212 |
| 14 | Pitcher Pump And Drilling | — | 133 | 248 |
| 15 | Moore Well Drilling | — | 78 | 78 |
| 16 | Corriell & Sedgwick, Inc. | — | 65 | 70 |
| 17 | O C Tandy Well Drilling | — | 41 | 50 |
| 18 | Environmental West Exploration | — | 38 | 56 |
| 19 | Larry Burd Well Drilling | — | 37 | 1,344 |
| 20 | Dennis Drilling Enterprises, Inc. | — | 30 | 145 |
| 21 | Otto Ellsworth | — | 29 | 32 |
| 22 | Blue MT Well Drilling | — | 25 | 270 |
| 23 | Well ID Application | — | 24 | 2,794 |
| 24 | Wallace Drilling | — | 23 | 1,004 |
| 25 | Owrd Staff | — | 22 | 597 |
| 26 | Intervalley Drilling Co. | — | 22 | 30 |
| 27 | Pitcher Drilling & Constructio | — | 21 | 28 |
| 28 | Deceased 4-21-2010/Stoffel Bros Drilling Co. | — | 17 | 48 |
| 29 | Troy Griffin | — | 15 | 39 |
| 30 | MC Inally Well Drilling | — | 14 | 42 |
| 31 | Prepared BY Owrd Staff | — | 12 | 1,283 |
| 32 | Schneider Equipment Co. | — | 7 | 470 |
| 33 | Jobe Drilling Inc. | — | 7 | 281 |
| 34 | Carl A Pitcher | — | 7 | 65 |
| 35 | Person Pump & Well Drilling | — | 6 | 76 |
| 36 | Land Owner | — | 5 | 1,454 |
| 37 | Water Well Developing Surveys | — | 5 | 183 |
| 38 | K. Dennis | — | 5 | 120 |
| 39 | Ladd Horn Well Drilling | — | 4 | 154 |
| 40 | Kelsey D. Dennis | — | 4 | 73 |
| 41 | A M Jannsen Well Drilling Co. Inc. | — | 3 | 1,744 |
| 42 | R J Strasser Drilling Co. | — | 3 | 410 |
| 43 | Brown & Brown Drilling Co. | — | 3 | 88 |
| 44 | Larry Burd | — | 3 | 50 |
| 45 | Melvin L. Copley | — | 3 | 34 |
| 46 | Deceased | — | 3 | 34 |
| 47 | Western Water Development | — | 2 | 984 |
| 48 | Cascade Drilling LP | — | 2 | 325 |
| 49 | Rick Wallaert Well Drilling | — | 2 | 109 |
| 50 | Maynard Drilling And Pumps Inc. | — | 2 | 126 |
| 51 | Goral LA Porte | — | 2 | 50 |
| 52 | Boart Longyear E & I | — | 2 | 39 |
| 53 | Charles Jungmann Drilling Co. | — | 2 | 28 |
| 54 | Staab Drilling | — | 2 | 28 |
| 55 | Schneider Water Services | — | 1 | 164 |
| 56 | Jones Drilling Co. Inc. | — | 1 | 678 |
| 57 | Holloway Drilling Co. | — | 1 | 632 |
| 58 | Troy Griffin Well Drilling | — | 1 | 562 |
| 59 | Allison Drilling Co. | — | 1 | 266 |
| 60 | Mcinally Well Drilling | — | 1 | 196 |
| 61 | Northwest Drilling | — | 1 | 164 |
| 62 | Orvail Buckner Well Drilling | — | 1 | 146 |
| 63 | A. W. Robinson | — | 1 | 135 |
| 64 | Wallace Well Drilling | — | 1 | 101 |
| 65 | Enloe Drilling Co. | — | 1 | 28 |
Ranked by wells drilled in Union County since 2016 (then all-time), from the full OWRD
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 Union County?
Earth & Water Works has drilled the most Union County wells in the recent record — 215 since 2016, 504 in the county all-time.
How many well drilling companies work in Union County?
65 companies in the OWRD record have drilled wells in Union County; 16 of them have drilled somewhere in Oregon since 2022. Smaller operators below the record threshold may also serve the area.
How deep is a typical well in Union County?
The median drilled depth in Union County is 165 ft, based on 3,823 recorded wells. Depths, water levels, and yields are on the Union County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on
the Union County wells page.
Drill in Union County?
If your company is on this list, your profile is free to claim — confirm your details and add your
contact information so Union County property owners reach you directly.
Claim your profile Free to claim · built from OWRD public well-log records.