Best well drillers in Monterey County, California

Not a pay-to-play list: these are the 147 drilling companies with wells on record in Monterey County, ranked by wells actually drilled here — 10,025 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.

147companies on record

55active since 2022

10,025wells in county record

#	Company	In Monterey Co. since 2016	All-time in county	Statewide
1	Granite Drilling Company	129	422	476
2	Bertram Drilling Inc.	95	98	1,171
3	Coast Drilling Inc.	94	134	278
4	Maggiora Bros Drilling Inc.	81	905	4,674
5	Filipponi-Thompson Drilling Inc.	53	209	2,133
6	Pacific Coast Well Drilling Inc.	40	45	337
7	Guardino Well Drilling Inc.	35	68	1,736
8	Miller Drilling Co.	30	270	1,775
9	Dougherty Pump & Drilling Inc.	23	406	486
10	Business Midstate Drillers	22	22	117
11	Eaton Drilling Co. LLC	21	349	3,793
12	Salinas Pump Company	20	599	712
13	Corrpro Companies Inc.	18	18	737
14	American Construction And Supply Inc.	16	54	1,685
15	Melville L E & Sons Drilling Co. Inc.	13	214	262
16	Fred Ash & Sons Lynch Pump Co.	9	64	118
17	J & H Drilling Co. Inc.	9	9	978
18	Roy Alsop Pump & Drilling	6	164	173
19	Myers Brothers Well Drilling Inc.	6	30	2,865
20	Myers Well Drilling Inc.	5	11	763
21	Environmental Control Associates	5	5	277
22	Fred Ash & Sons	4	1,040	1,217
23	Zim Industries Inc. Dba Bakersfield Well & Pump Co.	4	14	1,716
24	Gregg Drilling LLC	3	3	558
25	Aqua Engineering	2	458	641
26	Cascade Drilling L P	2	17	2,827
27	Stonehouse Well Drilling	2	3	157
28	Quality Well Drillers Inc.	2	2	3,524
29	Big Valley Drilling	1	200	294
30	Chappell Pump & Supply Inc.	1	84	927
31	Kenneth Roman	1	76	320
32	Clifford Pump & Well Company	1	63	117
33	Bradley & Sons Inc.	1	9	3,627
34	Landino Drilling Co.	1	9	151
35	Mazzi Well Drilling	1	6	209
36	Guardino Pump & Well	1	3	482
37	Barbour Well Inc.	1	2	32
38	Kleinfelder Inc.	1	2	54
39	Parks Water Resources	1	1	385
40	Geocentric Drilling Inc.	1	1	81
41	Torrent Resources CA Incorporated	1	1	54
42	Best Drilling And Pump Inc.	1	1	248
43	Nor - Cal Pump & Well Drilling Inc.	1	1	248
44	C F Dougherty	—	542	685
45	Signal Drilling Company	—	500	8,301
46	Raymond Alsop	—	396	397
47	Roy V Alsop & Son Inc.	—	347	349
48	Valley Pump & Drilling Co.	—	286	475
49	Fred W Porter & Son	—	200	207
50	West Coast Drilling	—	112	288
51	Carmel Valley Drilling & Engineering	—	109	111
52	Freedom General Repair & Pump Shop	—	92	690
53	Roman Well Drilling	—	71	242
54	Fred W Porter & Sons	—	65	105
55	L. E. Melville & Son, Inc.	—	57	80
56	C & N Pump & Well Co.	—	54	697
57	J. T. Robinett & Sons	—	49	67
58	Tide Tool & Engr. Co.	—	48	128
59	Cullum Systems Incorporated	—	46	277
60	Roy V Alsop	—	45	46
61	Rauch Drilling Company Inc.	—	44	520
62	Gregg Drilling & Testing Inc.	—	42	4,828
63	W D C Exploration & Wells	—	41	2,421
64	Nunes Well Service	—	41	46
65	Gullord Arthur Water Well Drilling	—	39	42
66	Pioneer Pump And Well Co.	—	36	195
67	Western Well Drilling Co. Ltd	—	35	842
68	Sydney Geels IT Corporation	—	34	78
69	George Chambers	—	33	51
70	Exploration Geoservices Inc.	—	32	956
71	H W Bence	—	32	47
72	The Pump Shop Inc.	—	29	33
73	Moss Roscoe Company	—	28	1,220
74	Bailey Drilling & Pump Inc.	—	26	53
75	DE LA Grange & Sons Inc.	—	25	263
76	Bill Belknap	—	23	2,758
77	Cache Creek Drilling	—	22	247
78	Scott Xxx PC Exploration Inc.	—	21	154
79	Robert Haylock "RH" Well Drilling	—	19	48
80	Filipponi & Thompson Drilling Company	—	17	303
81	West Hazmat Drilling Corp	—	15	1,702
82	Landino Construction And Well Drilling	—	15	703
83	Grabow Well Drilling Company	—	14	2,646
84	Arthur & Orum Well Drilling Inc.	—	14	3,219
85	Pitcher Drilling Co.	—	14	1,232
86	Myers Brothers Inc.	—	12	796
87	Murphy Pump & Supply	—	11	31
88	Beylik Drilling & Pump Service	—	9	1,267
89	Precision Drilling Co.	—	9	71
90	Pro-H20 Drilling And Pump Company	—	8	39
91	Cascade Drilling Inc. - California	—	8	3,167
92	Boart Longyear Company	—	7	172
93	Woodward Drilling Company Inc.	—	7	1,542
94	Layne Christensen Company	—	6	2,362
95	Farm Pump And Irrigation Company Inc.	—	6	451
96	Mel Meyer	—	6	101,127
97	Layne-Western Co. Inc.	—	6	255
98	Old Creek Drilling	—	6	94
99	Farwest Corrosion Control Company	—	5	2,649
100	Bfr Associates	—	5	5,621
101	Whitten Pumps Inc.	—	5	874
102	Seanaco Inc.	—	5	327
103	V & W Drilling	—	5	310
104	Don Redfeairn Drilling Co.	—	5	186
105	B & W Drilling	—	5	132
106	Central Coast Drilling	—	5	122
107	Sprague Pump Co.	—	5	66
108	Pollock's Drilling & Pump Service	—	5	39
109	Johnson Drilling Co.	—	4	11,865
110	Myers Reverse, Inc.	—	4	2,389
111	John A Brandt	—	4	143
112	Landino Well Drilling	—	4	73
113	Bosearello Enterprises	—	4	30
114	Floyd V Wells	—	3	1,771
115	Rottman Drilling Co.	—	3	1,331
116	D B Drilling Co.	—	3	973
117	S A Andresen All Terrain Exploration	—	3	468
118	Clovis Pump & Water Well	—	3	323
119	Bayland Drillers	—	2	317
120	Spectrum Exploration Inc.	—	2	307
121	Redfeairn R L Drilling	—	2	195
122	S/G Testing Laboratories Inc.	—	2	187
123	Ralph E Anderson	—	2	171
124	Santa Rosa Drilling Co.	—	2	77
125	Dexter Machinery	—	2	53
126	Well Tech	—	2	32
127	Canepa And Sons Inc.	—	1	3,173
128	Earth Flow Drilling Company	—	1	2,192
129	Consolidated Testing Laboratories Inc.	—	1	1,405
130	Starr Drilling And Pump Co.	—	1	875
131	Johnson Teddy J	—	1	797
132	Midway Drilling & Pump Company	—	1	753
133	C O Brose Well Drilling	—	1	698
134	Knapp & Graham Inc.	—	1	596
135	Williams Well Drilling	—	1	376
136	Melvin Slate Water Well Drilling	—	1	310
137	George Chamberlain	—	1	256
138	Beylik Drilling Inc.	—	1	174
139	Golden Empire Drilling	—	1	168
140	Xxx	—	1	113
141	Valley Pump & Dairy Systems Inc.	—	1	79
142	Myers And Summers	—	1	75
143	Stang Hydronics Inc.	—	1	56
144	John W. Nairn	—	1	39
145	Cofferdam Unwatering Corporation	—	1	32
146	Nor-Cal Pump & Well Service	—	1	26
147	P/D Drilling Co.	—	1	25

Ranked by wells drilled in Monterey 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 Monterey County?

Granite Drilling Company has drilled the most Monterey County wells in the recent record — 129 since 2016, 422 in the county all-time.

How many well drilling companies work in Monterey County?

147 companies in the DWR record have drilled wells in Monterey County; 55 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 Monterey County?

The median drilled depth in Monterey County is 310 ft, based on 11,243 recorded wells. Depths, water levels, and yields are on the Monterey County wells page.

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

Get quotes from drillers active in Monterey County

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

Drill in Monterey County?

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

Claim your profile

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