Colorado Well Data field records · 2026 survey

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Best well drillers in Grand County, Colorado

Not a pay-to-play list: these are the 95 drilling companies with wells on record in Grand County, ranked by wells actually drilled here — 5,820 logged wells in the Colorado Division of Water Resources (DWR) well permit database (records as of 2026-09-22). Every number links back to the public record.

95companies on record
29active since 2022
5,820wells in county record
#CompanyIn Grand Co. since 2016All-time in countyStatewide
1 James Drilling Company 437 1,051 6,736
2 Ingram Drilling Inc. 174 267 5,075
3 Aztec Drilling Company 76 201 1,234
4 Arrow Drilling 55 137 2,706
5 Winegar Well Service 9 10 169
6 Holland And Sons Water Well Drilling 7 8 275
7 Golden Eagle Drilling Corporation 6 224 3,979
8 Boart Longyear Company 5 9 26
9 Yellow Jacket Drilling Services LLC 4 10 38
10 Terracon Consultants Inc. 1 10 391
11 Crandall Drilling & Pump Service 1 1 3,578
12 Kelley Dewatering And Construction Company 1 1 538
13 Newbanks Pump Inc. 1 1 498
14 Authentic Drilling 1 1 279
15 Layne A Granite Company 1 1 35
16 Mcpherson Drilling Company 1,716 2,664
17 Virginia Drilling Co. Inc. 420 2,167
18 Genevieve L Dale 376 414
19 J & J Drilling Inc. 368 401
20 Grabe & Co. 249 257
21 Moody Drilling 200 368
22 Buena Vista Drilling 181 1,367
23 Shelton Drilling Corporation 38 6,154
24 Bernard Storm 34 536
25 Domestic Water Consultants Inc. 23 129
26 Tom Hughes Drilling Inc. 23 31
27 Living Water Systems Inc. 21 3,572
28 Steve Shelton Drilling, Inc. 19 1,160
29 Layne, Christensen Co. 15 1,963
30 Ground Exploration LLC 13 1,454
31 Lang Equipment, LLC 10 190
32 Ken Thatcher 10 26
33 Dallas D. Werner 9 437
34 Lesh Drilling Inc. 8 2,470
35 Crabtree Well & Pump 7 377
36 Western Star Drilling Co. 7 94
37 Mosher Drilling 7 31
38 Reaksecker Well Drilling 6 1,435
39 James Storm 6 1,117
40 B & M Well Drillers Inc. 6 173
41 Syracuse Drilling & Pump Co., Inc. 6 107
42 Nwp Drilling & Consulting 5 634
43 Ernie's Mountain Drilling Inc. 5 3,118
44 Schmitt Drilling Co. 5 621
45 Aspen Drilling Company Inc. 4 2,648
46 Collins Drilling Co. 4 1,331
47 Whitewater Drilling Inc. 4 1,277
48 Drilling Engineers Inc. 4 553
49 Newmyer Development Co. 4 67
50 Brian Lake 4 63
51 Gary M. Vallas 4 37
52 Layne Western Company Inc. 3 659
53 Rocky Mountain Drlg./Pump Svcs 3 335
54 Visintainer Co. 3 331
55 Aragon Drilling Co. 3 205
56 Valley Pump Company 2 2,579
57 Hier Drilling Co. Inc. 2 9,664
58 C. R. Smith Drilling 2 2,039
59 Bob Williams Drilling Co. 2 3,521
60 Remington Technologies, LLC 2 25
61 Ground Water Systems Inc. 2 3,481
62 Bernard Drilling Co. 2 696
63 Five Star Inc. 2 632
64 Routt Drilling Co. 2 524
65 DL Drilling LLC 2 237
66 Johnson Brothers 2 112
67 Chrisman Pump Service 2 109
68 Donald Purdue 2 78
69 Schmitt & Francis Drilling 2 42
70 Jim Keaton Drilling Co. 2 34
71 Young's Drilling & Pump Services 1 1,840
72 Glover's Drilling 1 913
73 Rocky Mountain Waterworks LLC 1 893
74 Valley Drilling Co. 1 1,166
75 Holden & Holden 1 1,000
76 Walton, 1 2,156
77 Pro Well & Pump 1 615
78 George Stewart 1 488
79 Adams Water Well Drilling 1 433
80 D W Spencer 1 417
81 Craig Drilling 1 334
82 Harry Young Drilling 1 321
83 Bomareto Pump And Equipment Company LLC 1 234
84 Stolns & Son Drilling 1 205
85 Harry D Christensen 1 173
86 Precision Drilling 1 115
87 Western Well Drilling Inc. 1 113
88 Colorado Water Well Pump Service & Supply Inc. 1 113
89 Boone Service 1 102
90 Bert D Downey 1 74
91 Camp Drilling Co. 1 66
92 Baski Drilling Inc. 1 65
93 William L Eden 1 58
94 R. N. C. Drilling Co. 1 56
95 Taylor Exploration Co. 1 51

Ranked by wells drilled in Grand 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 Grand County?

James Drilling Company has drilled the most Grand County wells in the recent record — 437 since 2016, 1,051 in the county all-time.

How many well drilling companies work in Grand County?

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

How deep is a typical well in Grand County?

The median drilled depth in Grand County is 185 ft, based on 10,284 recorded wells. Depths, water levels, and yields are on the Grand County wells page.

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

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