California Well Data field records · 2026 survey

← All California drillers

Best well drillers in San Bernardino County, California

Not a pay-to-play list: these are the 250 drilling companies with wells on record in San Bernardino County, ranked by wells actually drilled here — 18,396 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.

250companies on record
65active since 2022
18,396wells in county record
#CompanyIn San Bernardino Co. since 2016All-time in countyStatewide
1 Wallis Water Systems 212 676 688
2 Bar - H Well Drilling Inc. 197 197 197
3 North American Drilling Company 185 498 692
4 Eagle Well Drilling & Pump Service 173 536 542
5 Chambers D P Drilling 160 443 488
6 Solomon Well Drilling & Pump Service Inc. 146 194 194
7 Farwest Corrosion Control Company 92 231 2,649
8 J & H Drilling Co. Inc. 79 104 978
9 Cascade Drilling LP 76 78 826
10 Daugherty Pump & Drilling 72 111 122
11 Water Well Service Inc. 68 96 145
12 Chambers Choice Drilling 65 68 73
13 Harich Enterprises Company Inc. 54 598 612
14 J & O Well Drilling 52 92 159
15 Cascade Drilling L P 49 98 2,827
16 Randall N Wallis 47 516 531
17 L O Lynch Quality Wells & Pumps Inc. 44 132 3,373
18 Donald C Vickery Well Drilling 35 138 150
19 Heritage Well Service 35 35 528
20 Well Tec Services Inc. 33 58 126
21 Yellow Jacket Drilling Services LLC 32 35 291
22 Layne Christensen Company 25 331 2,362
23 A B C Liovin Drilling Inc. 15 21 1,281
24 Bc2 Environmental LLC 15 20 416
25 American Construction And Supply Inc. 13 25 1,685
26 Beks Acquisition Inc. 12 12 465
27 Best Drilling And Pump Inc. 11 38 248
28 Lucerne Valley Pump Service 11 26 26
29 Southern California Well Service LLC 11 11 50
30 Southwest Pump & Drilling Inc. 9 53 290
31 Gregg Drilling LLC 9 9 558
32 Sebastian Valente 9 9 66
33 Crum Sam Water Well Drilling Inc. 7 266 591
34 A Z C A Drilling & Pump Inc. 5 11 171
35 Corrpro Companies Inc. 5 7 737
36 Fain Drilling & Pump Co. Inc. 4 22 3,029
37 Gregory Drilling Incorporated 4 4 143
38 Abundant Water Wells 4 4 173
39 M & M Well Drilling 4 4 74
40 Bryant Pump & Drilling Company 3 19 1,000
41 National Corrosion 3 3 28
42 Gregg Drilling & Testing Inc. 2 38 4,828
43 Dechenne Water Well Drilling Inc. 2 30 1,204
44 Arthur & Orum Well Drilling Inc. 2 22 3,219
45 Lundigan Drilling 2 4 179
46 Nor - Cal Pump & Well Drilling Inc. 2 3 248
47 National E W P Inc. 2 3 431
48 Howard Pump Inc. A California Corporation 1 1,400 1,650
49 Fundin Well Drilling 1 334 394
50 Jack Jones Wells & Pumps 1 223 1,145
51 Arsenal Well Drilling Inc. 1 1 234
52 Matthew Davis Enterprises Inc. 1 1 40
53 Garrison Brothers Well Service 1 1 46
54 Gibson Well Drilling 1 1 115
55 Fugro Usa Land Inc. 1 1 36
56 Mel Meyer 2,123 101,127
57 MC Dougall's Well Drilling Inc. 1,336 1,345
58 Independent Well Drilling Inc. 612 615
59 Dane Pike Wells And Pump 320 323
60 Mccalla Brothers 247 578
61 V L Allen 227 227
62 Eagle Drilling 205 205
63 Arrowhead Group 200 244
64 Barstow Pump & Drilling 197 197
65 Van Norman Well Drilling 193 194
66 Clifford Suffdy 188 198
67 Warren Opie Wallis 161 161
68 HI-Desert Drillers 157 158
69 Chapman Pump & Drilling Company 143 145
70 Cascade Drilling Inc. - California 136 3,167
71 Beylik Drilling & Pump Service 135 1,267
72 Kirkland Well Service 131 184
73 Ephraim Harris 126 127
74 Aqua-Tek 111 117
75 Harich Construction 109 122
76 Moss Roscoe Company 103 1,220
77 Coe Machine Works 100 110
78 Leroy Tyler 97 100
79 David Engel 95 98
80 Howard H. Ley 92 92
81 Howard Pump Company 86 106
82 Valley Well Drilling LP 83 410
83 Garcia Well Drilling 77 77
84 West Hazmat Drilling Corp 70 1,702
85 Santa Rosa Drilling Co. 70 77
86 Zim Industries Inc. Dba Bakersfield Well & Pump Co. 68 1,716
87 W D C Exploration & Wells 68 2,421
88 F Lahorgue 68 87
89 Mcdougall's Well Drilling 67 67
90 SO Cal Pump And Well Drilling 65 158
91 Scoggin Drilling Company 65 67
92 Meridian Drilling & Well Supply 64 74
93 Woodward Drilling Company Inc. 63 1,542
94 S & S Water Well Drilling 61 143
95 H-F Drilling, Inc. 60 618
96 Ron Engeldinger Well 58 616
97 Rottman Drilling Co. 57 1,331
98 R H Forney 57 88
99 H & L Drilling Company 56 56
100 American Drilling 54 970
101 Errin A Smith Drilling 52 54
102 Desert Oasis Drilling 50 50
103 Pierson Drilling 48 59
104 Hall Construction Company 47 49
105 J. R. Greenlee 47 47
106 Herzog & Associates 45 45
107 Dell D Beck 44 60
108 Murrieta Water Well Drilling Company 42 80
109 Suffdy Earl Ramey 40 40
110 Furlong Well Drilling 39 39
111 Solomon Excavation Inc. 34 34
112 Layne Environmental Services Inc. 33 104
113 Mogle Brothers 33 57
114 Mogle Drilling & Pump Company 33 53
115 Water Well Supply 31 533
116 Patrick O Fortney & Son 31 46
117 Cliff Steele & Van Norman 31 31
118 Scoggin Drilling & Dev Co. 28 30
119 C. Cruse Drilling 27 301
120 Errol A Smith Drilling 27 37
121 F M Van Norman 27 27
122 Webb Drilling Company 27 27
123 Hiram G Smith 26 46
124 W L Watkins 26 29
125 Testamerica Drilling Corp 25 378
126 T. Carmack 25 69
127 Barber-Bridge Drilling Corp Ltd 25 64
128 Roche Well And Pump Company 24 54
129 C Johnson Well Drilling & Pump 24 25
130 Dyna Drill International Inc. 21 115
131 Datum Exploration Inc. 20 223
132 Coachella Valley Pump & Supply 19 660
133 Evans Bros 18 107
134 Teredon Company 18 48
135 Active Drilling & Pump Supply 17 276
136 Layne-Western Co. Inc. 17 255
137 Beylik Drilling Inc. 17 174
138 Chino Valley Water Well Supply Inc. 17 77
139 Trunnell Wells & Pumps 16 384
140 Great Basin Drilling 16 51
141 Carmack & Stephenson 16 37
142 Roscoe Moss Company 15 130
143 Clearwater Drilling 14 351
144 Patrick O Fortney 14 57
145 Melton Drilling Co. 14 46
146 Shipps For Water Well Drilling 14 33
147 C C Scott 13 75
148 Peerless Welding & Machine Shop 13 63
149 Boart Longyear Company 12 172
150 Tri-County Drilling Inc. 12 227
151 Charles Nyberg Well Drilling 12 55
152 Garrison Bros 12 27
153 S A Andresen All Terrain Exploration 10 468
154 JC Drilling 10 110
155 Shipps For Water Well 9 54
156 Modern Drilling 8 29
157 Johnson Drilling Co. 7 11,865
158 Kirschenman's Well Drilling 7 1,159
159 Mann Brothers 7 326
160 Ralph E Anderson 7 171
161 R Glick & Sons Water Wells 7 109
162 Pioneer Drilling Inc. 7 61
163 Cruse Drilling Co. 6 341
164 D P Well Drilling 6 60
165 Stang Hydronics Inc. 6 56
166 J C Water Well Drilling 6 52
167 Farm Pump And Irrigation Company Inc. 5 451
168 Westervelt Well Drilling 5 122
169 Desert Water Drilling Company 5 279
170 John H Correll 5 158
171 Agri-Cal Pump & Supply 5 105
172 Everett E. Mcbride Dba 5 57
173 Paul Neville 5 51
174 John H. And Jack A. Correll 5 32
175 Staal, Gardner, & Dunne, Inc. 5 31
176 Rex Anderson Corp 4 1,493
177 Starr Drilling And Pump Co. 4 875
178 Burt Drilling Co. 4 438
179 S/G Testing Laboratories Inc. 4 187
180 M R Peck & Sons 4 125
181 Tex Bassham Drilling 4 107
182 A & R Drilling 4 60
183 Melvin A Mcfadden 4 51
184 Trihydro Corporation 4 46
185 Cofferdam Unwatering Corporation 4 32
186 Multi Water Systems 3 269
187 Southern Sierra Drilling 3 92
188 Interstate Soils Sampling Inc. 3 75
189 Andy Noblin 3 39
190 Environmental West Drilling 3 38
191 Collum Drilling Company 3 37
192 Mcgann 3 34
193 Keeler Drlg Co. 3 30
194 Stehly Brothers Drilling Inc. 2 2,191
195 Consolidated Testing Laboratories Inc. 2 1,405
196 Myers Brothers Well Drilling Inc. 2 2,865
197 Krazan & Associates 2 30
198 Maranatha Drilling And Pump Service 2 307
199 Myers Reverse, Inc. 2 2,389
200 Acme Drilling Company 2 1,439
201 Aqua Drilling 2 923
202 Myers Brothers Inc. 2 796
203 Jim Mcclain Wells 2 768
204 Midway Drilling & Pump Company 2 753
205 Butler Drilling Company 2 714
206 Knapp & Graham Inc. 2 596
207 Batson Drilling Service 2 436
208 James E Wright, JR 2 328
209 Mccalla Bros Pump And Drilling Co. 2 229
210 Rainbow Drilling 2 207
211 Benny DI Prima 2 205
212 Turner Explorations Inc. 2 200
213 Don Redfeairn Drilling Co. 2 186
214 Corrosion Technology Inc. 2 169
215 Steve's Pumps & Well Drilling Inc. 2 162
216 Barnes Core Drlg 2 86
217 Ase Drilling Inc. 2 82
218 Clark Well Drilling Co. 2 63
219 Anderson G C Drilling & Pump 2 53
220 Hacker's Pump Service 2 51
221 Vics Well Drilling Inc. 1 337
222 Pacific Coast Well Drilling Inc. 1 337
223 Palm Springs Pump Inc. 1 115
224 Sargent Drilling 1 442
225 Whitten Pumps Inc. 1 874
226 Frank Scully/Morrison Drilling Inc. 1 582
227 Manos Jim Drilling & Pump 1 542
228 Boetsch Well Drilling And Pump Service 1 522
229 M A Bryant Drilling 1 311
230 Spectrum Exploration Inc. 1 307
231 Pacific Gas And Electric Company 1 264
232 Lynch L O Well Drilling And Supply 1 213
233 Curtis Hole Drilling Company 1 187
234 Clark Albert M 1 181
235 Alexander Dean Water Well Drilling 1 145
236 L Van Winkle 1 115
237 Xxx 1 113
238 Haddon Drilling 1 105
239 Warden Drilling Co. 1 102
240 O Hardcastle 1 98
241 Graves & Graves Drilling 1 72
242 Precision Drilling Co. 1 71
243 Moore Twining Associates Inc. 1 46
244 Saunders Brothers 1 44
245 Keener Exploration Drilling Co. 1 37
246 M & W Pumps Inc. 1 35
247 U S Geological Survey 1 30
248 Daniel F Anderson 1 30
249 Morris A Balderman 1 29
250 William W Tarbutton 1 28

Ranked by wells drilled in San Bernardino 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 San Bernardino County?

Wallis Water Systems has drilled the most San Bernardino County wells in the recent record — 212 since 2016, 676 in the county all-time.

How many well drilling companies work in San Bernardino County?

250 companies in the DWR record have drilled wells in San Bernardino County; 65 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 San Bernardino County?

The median drilled depth in San Bernardino County is 260 ft, based on 22,932 recorded wells. Depths, water levels, and yields are on the San Bernardino County wells page.

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

Get quotes from drillers active in San Bernardino County

Free for property owners. We route your request only to licensed drillers who actually file well logs in San Bernardino County — never sold elsewhere.

Drill in San Bernardino County?

If your company is on this list, your profile is free to claim — confirm your details and add your contact information so San Bernardino County property owners reach you directly.

Claim your profile

Free to claim · built from DWR public well-log records.