California Well Data field records · 2026 survey

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Best well drillers in Inyo County, California

Not a pay-to-play list: these are the 77 drilling companies with wells on record in Inyo County, ranked by wells actually drilled here — 1,507 logged wells in the California Department of Water Resources (DWR) Well Completion Reports database (records as of 2026-08-14). Every number links back to the public record.

77companies on record
29active since 2022
1,507wells in county record
#CompanyIn Inyo Co. since 2016All-time in countyStatewide
1 Bruce Mackay Pump & Well Service Inc. 24 25 260
2 Maranatha Drilling And Pump Service 17 175 307
3 Gregg Drilling & Testing Inc. 17 20 4,828
4 Best Drilling And Pump Inc. 7 14 248
5 Garrison Brothers Well Service 5 5 46
6 Great Basin Drilling 4 35 51
7 Boetsch Well Drilling And Pump Service 3 16 522
8 J & H Drilling Co. Inc. 3 3 978
9 Eagle Well Drilling & Pump Service 3 3 542
10 Pacific Coast Well Drilling Inc. 2 2 337
11 Chambers Choice Drilling 2 2 73
12 Mel Meyer 1 202 101,127
13 Gregg Drilling LLC 1 1 558
14 H & B Drilling And Sons LLC 1 1 414
15 Layne Christensen Company 1 1 2,362
16 Kirschenman's Well Drilling 241 1,159
17 Maranatha Drilling 161 423
18 Datum Exploration Inc. 88 223
19 Reeve Ralph Pump & Well Service 73 145
20 Cruse Drilling Co. 56 341
21 Howard Pump Inc. A California Corporation 40 1,650
22 Kile's Well Drilling 33 943
23 Rottman Drilling Co. 32 1,331
24 Starr Drilling And Pump Co. 32 875
25 Charles Nyberg Well Drilling 31 55
26 Beylik Drilling & Pump Service 25 1,267
27 Howard Pump Company 14 106
28 C C Scott 14 75
29 C. Cruse Drilling 13 301
30 Tex Bassham Drilling 9 107
31 Ase Drilling Inc. 9 82
32 W N (Bill) Stout 9 27
33 Maggiora Bros Drilling Inc. 8 4,674
34 Crown Drilling & Pump 7 596
35 Layne-Western Co. Inc. 6 255
36 Rottman Dick Water Well Drilling 6 211
37 H W Bence 6 47
38 Zim Industries Inc. Dba Bakersfield Well & Pump Co. 5 1,716
39 Kleinfelder Inc. 5 54
40 Bfr Associates 5 5,621
41 Myers Reverse, Inc. 5 2,389
42 R Cruse Drilling And Well Service 5 25
43 Roadrunner Drilling & Pump Company Inc. 4 205
44 Moss Roscoe Company 4 1,220
45 Humboldt Drilling & Pump Co. 4 131
46 Yellow Jacket Drilling Services LLC 3 291
47 Trudell Drilling Co. 3 707
48 Hugh M Harris Drilling Company 3 105
49 Southern Sierra Drilling 3 92
50 Corrpro Companies Inc. 2 737
51 Bryant Pump & Drilling Company 2 1,000
52 Farm Pump And Irrigation Company Inc. 2 451
53 Diversified Exploration Co. Inc. 2 751
54 Island Drilling 2 221
55 Rainbow Drilling 2 207
56 Roscoe Moss Company 2 130
57 Evans Bros 2 107
58 Old Creek Drilling 2 94
59 Pioneer Drilling Inc. 2 61
60 Aqua Drilling & Well Service Inc. 2 37
61 John H. And Jack A. Correll 2 32
62 Bradley & Sons Inc. 1 3,627
63 Canepa And Sons Inc. 1 3,173
64 Johnson Drilling Co. 1 11,865
65 Wallis Water Systems 1 688
66 Sargent Drilling 1 442
67 Bill Belknap 1 2,758
68 W D C Exploration & Wells 1 2,421
69 Myers Brothers Inc. 1 796
70 Beylik Drilling Inc. 1 174
71 Steve's Pumps & Well Drilling Inc. 1 162
72 Joseph F. Leisek 1 126
73 Allen's Drilling 1 63
74 Patrick O Fortney 1 57
75 Paul Neville 1 51
76 Peaker Paul 1 36
77 Staal, Gardner, & Dunne, Inc. 1 31

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

Bruce Mackay Pump & Well Service Inc. has drilled the most Inyo County wells in the recent record — 24 since 2016, 25 in the county all-time.

How many well drilling companies work in Inyo County?

77 companies in the DWR record have drilled wells in Inyo County; 29 of them have drilled somewhere in California since 2022. Smaller operators below the record threshold may also serve the area.

How deep is a typical well in Inyo County?

The median drilled depth in Inyo County is 152 ft, based on 2,215 recorded wells. Depths, water levels, and yields are on the Inyo County wells page.

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

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