Best well drillers in Grant County, Washington

Not a pay-to-play list: these are the 160 drilling companies with wells on record in Grant County, ranked by wells actually drilled here — 6,441 logged wells in Washington State Department of Ecology well construction reports (records as of 2026-10-02). Every number links back to the public record.

160companies on record

69active since 2022

6,441wells in county record

#	Company	In Grant Co. since 2016	All-time in county	Statewide
1	Daniel Eilers	345	438	536
2	Jose Rojas	209	209	273
3	Kevin Boyd	203	340	446
4	Salvador Valenciano	129	243	357
5	Alex Kerslake	101	101	191
6	Pedro Gama Valladares	86	86	109
7	Justin Pinkerton	76	76	90
8	Daniel Waterman	55	55	109
9	Brian Heinlen	52	53	80
10	Brett Phythian	34	84	3,487
11	Beau Anderson	31	31	51
12	David Rodeman	27	28	36
13	Ken Thompson	26	150	166
14	Fred Stiens	20	961	1,035
15	Tyler Schaffer	14	14	29
16	Clay Ross	10	10	114
17	Audie Mccurdy	8	13	818
18	Gerald Gibson	8	8	107
19	Shawn Oconnell	7	7	604
20	Delos Boyce	6	67	94
21	Todd Lively	6	52	2,056
22	Michael Robinson	5	29	817
23	Matthew Call	4	5	250
24	Paul Lodder	4	4	28
25	Marty Rugo	3	19	1,076
26	Derek Wilson-Weiler	3	3	210
27	Chris Gregory	3	3	185
28	Troy Tarbert	2	4	1,147
29	Forest Hoopes	2	3	186
30	Jay Lightfoot	2	2	199
31	Joseph Dunkin	2	2	255
32	Monte Judd	2	2	158
33	Charles Parsons	2	2	48
34	Tyson Martel	2	2	32
35	Fred Emerson	1	142	362
36	Larry Mclanahan	1	75	266
37	Thomas Mcguire	1	15	1,498
38	Stephen Schneider	1	8	99
39	Jim Mcleslie	1	5	397
40	Robert Dobush	1	5	29
41	Jeremy Bach	1	3	744
42	Chad Gregory	1	2	243
43	Gray Rich	1	2	262
44	Marshall Miller	1	2	2,236
45	Justin Ricard	1	2	242
46	Joshua Burns	1	1	530
47	Jacob Hansen	1	1	146
48	Justin Wamsley	1	1	518
49	Colby Morris	1	1	53
50	William Davis	1	1	560
51	Lance Sabey	1	1	168
52	Craig Wamsley	1	1	660
53	David Simmons	1	1	57
54	Thomas Giles	1	1	46
55	Derek Vahanian	1	1	28
56	Mitch Mathews	—	1,143	1,418
57	Cary Eisenman	—	527	594
58	Terry Close	—	324	363
59	Larry Webley	—	220	325
60	Leonard Martel	—	100	491
61	Bill James	—	75	92
62	Laurie Faulkes	—	66	87
63	Vince Friswold	—	47	50
64	James Doyle	—	38	542
65	Glen Maddox	—	34	36
66	Audey Kilts	—	31	64
67	Guy Kelly	—	30	177
68	Douglas Lane	—	27	675
69	Mark Schlehuber	—	27	33
70	Robert Kern	—	23	58
71	Steve Moore	—	22	32
72	Louie Hanner	—	21	365
73	James Nelson	—	15	787
74	Bart Moorehead	—	14	221
75	Jody Carpenter	—	12	120
76	John Lewis	—	12	34
77	Keith Vermillion	—	11	629
78	Self Self	—	9	216
79	Roger Kelly	—	9	148
80	W Close JR	—	9	145
81	John Bowlby	—	9	25
82	Peter ST George JR	—	8	738
83	Vernon Rank	—	8	573
84	Leo Kay II	—	8	26
85	Rodney Fogle	—	7	364
86	Thomas Richardson	—	7	123
87	NA Unknown	—	7	140
88	William Bolyard	—	7	113
89	Michael Young	—	7	48
90	Daniel Oconnell	—	6	754
91	Kenneth Kane	—	6	467
92	Chris Hayes	—	6	268
93	Martin Jensen	—	5	267
94	Rick Poulin	—	5	520
95	Jon Ricard JR	—	5	1,532
96	David Meyer	—	5	1,153
97	Steven Mills	—	5	742
98	Kenneth Watkins	—	4	307
99	Brett Dejong	—	4	286
100	Brad Forman	—	4	160
101	G Bigham	—	4	123
102	Morgan Joy	—	3	1,637
103	Joseph Booth JR	—	3	790
104	Michael Learn	—	3	677
105	Gary Bartholomew	—	3	540
106	Lynn Bartholomew	—	3	439
107	Wesley Glessner	—	3	347
108	Ronald Ball	—	3	167
109	Theron Lewis	—	3	113
110	James Smith	—	3	96
111	David Smith	—	3	42
112	Rogeray Phythian	—	2	2,940
113	Todd Haney	—	2	715
114	Lyle Amos	—	2	762
115	Brendan Peck	—	2	108
116	David Wines	—	2	884
117	Steven Allberry	—	2	386
118	Mike Bach SR	—	2	263
119	John Riebe	—	2	184
120	Kenneth Blackman	—	2	147
121	William Corbin	—	2	60
122	Grant Haney	—	2	44
123	Jack Mcdonald	—	2	34
124	Mark Wiese	—	1	1,776
125	John Arfman	—	1	725
126	Gabriel Moore	—	1	661
127	Richard Debler	—	1	539
128	Christopher Mcghee	—	1	1,529
129	Brent Barker	—	1	250
130	Brandon Brown	—	1	107
131	Charlie Slocum	—	1	365
132	Richard Miller	—	1	64
133	Rod Cox	—	1	682
134	Bill Clothier	—	1	1,952
135	Don Anderson	—	1	1,392
136	Richard Deremer II	—	1	1,149
137	Ronald Hurn	—	1	982
138	Daniel Martel	—	1	875
139	Brady Voth	—	1	612
140	James Noonan JR	—	1	528
141	Lonnie Bopp	—	1	501
142	Delbert Livermore	—	1	377
143	Dave Ricard	—	1	247
144	Charles Gill	—	1	247
145	Roger Gardner	—	1	236
146	Steven West	—	1	208
147	Jeremy Rude	—	1	203
148	Forrest Tennant	—	1	189
149	Duane Lincoln	—	1	179
150	Abe Windle	—	1	159
151	Gerald Bluhm	—	1	138
152	Floyd Garrison	—	1	129
153	James ST Pierre	—	1	84
154	Thomas ST George	—	1	60
155	Leonard Mcalpine	—	1	54
156	Charles Warren	—	1	51
157	John Armstrong	—	1	49
158	Dennis Huhn	—	1	47
159	Timothy Cole	—	1	42
160	Daniel Claassen	—	1	32

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

Daniel Eilers has drilled the most Grant County wells in the recent record — 345 since 2016, 438 in the county all-time.

How many well drilling companies work in Grant County?

160 companies in the Ecology record have drilled wells in Grant County; 69 of them have drilled somewhere in Washington since 2022. Smaller operators below the record threshold may also serve the area.

How deep is a typical well in Grant County?

The median drilled depth in Grant County is 170 ft, based on 7,911 recorded wells. Depths, water levels, and yields are on the Grant County wells page.

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

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