Best well drillers in King County, Washington

Not a pay-to-play list: these are the 189 drilling companies with wells on record in King County, ranked by wells actually drilled here — 8,718 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.

189companies on record

49active since 2022

8,718wells in county record

#	Company	In King Co. since 2016	All-time in county	Statewide
1	Pierce Kiltoff	134	153	281
2	Rodney Gilseth JR	117	119	186
3	Mark Wiese	114	156	1,776
4	Chris Gregory	73	75	185
5	Michael Cyrier	69	146	1,083
6	Justin Bevins	53	54	56
7	Aaron Ocheltree	49	52	82
8	Gerald Gibson	41	41	107
9	Matthew Call	34	43	250
10	Jacob Hansen	25	26	146
11	Gray Rich	25	25	262
12	Joshua Koepp	23	44	1,327
13	Paul Anderson	21	39	2,079
14	Brannon Hopke	18	124	2,171
15	Rogeray Phythian	17	29	2,940
16	Bradley Johnson	15	2,550	2,789
17	Ryan Harris	12	14	118
18	Daniel Carpenter	12	12	550
19	Gary Maze	10	10	211
20	Elijah Rutledge	10	10	54
21	Chad Gregory	9	63	243
22	T L Cannon	8	460	481
23	Ryan Wilhonen	8	49	883
24	Nicolas Sample	7	12	543
25	James Kiltoff	4	121	455
26	Ralph Riggles	4	50	1,995
27	Mike Herman	4	13	66
28	Brent Barker	4	9	250
29	Richard Miller	4	7	64
30	Dave Charon	3	18	92
31	Wade Iversen	3	16	171
32	Darrell Feavel	3	5	226
33	Self Self	3	3	216
34	John Arfman	2	78	725
35	E Himebaugh	2	15	559
36	Billy Dodge	2	13	96
37	Trent Burrell	2	2	28
38	Charles Smith	1	59	341
39	Robert Carper	1	15	53
40	Lance Sabey	1	1	168
41	Richard Deremer II	—	869	1,149
42	Lawrence Johnson	—	690	749
43	Jan Buraas	—	284	312
44	Jack Richardson	—	160	362
45	Roger Oelke	—	114	796
46	Alan Morek	—	111	174
47	Neil Richardson	—	99	564
48	Kyle Schaeffer	—	93	584
49	Ronald Bornmann	—	90	767
50	Kevin Mckenna	—	85	698
51	Francis Tanner	—	79	242
52	Lawrence Gosling	—	70	531
53	Michael Colbert	—	55	144
54	Earl Hilliker	—	53	560
55	Jay Graham	—	51	51
56	Siegfried Mehr	—	49	190
57	David Deremer	—	48	643
58	Thomas Fulgham	—	48	101
59	Thomas Craney	—	47	296
60	Myrl Johnson	—	46	51
61	Randall Holt	—	41	189
62	Aldwyn Axelsen	—	39	103
63	Boyd Dart	—	37	386
64	Curtis Isaacson	—	37	306
65	Shane Averette	—	34	452
66	Randy Harris	—	34	279
67	Ronald Jones	—	29	368
68	Trent Smith	—	28	29
69	Matt Graham	—	26	26
70	Brett Phythian	—	19	3,487
71	Roy Smith JR	—	19	281
72	Terry Burns	—	18	255
73	William Halbert	—	18	94
74	Dean Hayes SR	—	15	321
75	James ST Pierre	—	15	84
76	Theodore Rieckers	—	14	828
77	Lynn Bartholomew	—	14	439
78	Edwin Rath	—	14	109
79	Wayne Guy	—	14	32
80	Michael Mcadam	—	13	120
81	George Burt	—	12	471
82	Jason Waldrop	—	12	188
83	Richard Braun	—	11	387
84	Norman Ferrell	—	11	43
85	Roger Indrebo	—	10	74
86	Curtis Gosling	—	10	59
87	Scott Kiltoff	—	10	40
88	Albin Butler	—	9	503
89	Wayne Logsdon	—	9	195
90	Steven Staley	—	9	182
91	Carl Bauer	—	9	60
92	John Armstrong	—	9	49
93	Victor Kring	—	8	38
94	Dale Smith	—	8	35
95	Glen Hicks	—	7	193
96	Tom Banta	—	7	39
97	Stevan Butler	—	7	34
98	Eric Hansen	—	6	566
99	Steve Gilbert	—	6	948
100	Robert Lundin	—	6	79
101	Steven Saenz	—	6	67
102	Allen Young	—	6	44
103	Stephen Schneider	—	5	99
104	Richard Spink	—	5	367
105	Timothy Jones	—	5	262
106	Roger Gardner	—	5	236
107	Charles Whisnant	—	5	78
108	Charles Oakes	—	5	68
109	Brian Oelke	—	5	35
110	James Wiley	—	4	1,084
111	Brandon Hicks	—	4	337
112	Jon Mathews	—	4	261
113	James Vignalli	—	4	157
114	Jason Solvey	—	4	118
115	Thomas Dannison JR	—	4	68
116	Patrick Miller	—	4	47
117	Tony Fehrenbach	—	4	40
118	James Niederkorn	—	4	35
119	Joseph Booth JR	—	3	790
120	Lanny Carpenter	—	3	714
121	Gordon Hanks	—	3	550
122	Harold Fowler	—	3	374
123	William Anderson	—	3	203
124	Kenneth Blackman	—	3	147
125	Zon Axelsen	—	3	56
126	Dennis Huhn	—	3	47
127	Todd Mickelsen	—	3	41
128	David Rutledge	—	2	1,193
129	Donald Lofall	—	2	395
130	Mark Sawyer	—	2	331
131	Eugene Hitt	—	2	479
132	Lyle Pitts	—	2	543
133	Dwane Knapp	—	2	615
134	Michael Ramlo	—	2	33
135	Jon Ricard JR	—	2	1,532
136	Jerry Crabtree	—	2	975
137	Dennis Faber	—	2	877
138	Joseph Nunes	—	2	676
139	Ronald Wiley	—	2	585
140	Roger Harrison	—	2	325
141	Jon Hansen	—	2	189
142	Glenn Bezona JR	—	2	85
143	Wallace Robinson	—	2	81
144	Scott Woolley	—	2	78
145	Martin Brown	—	2	76
146	Anthony Kraut	—	2	71
147	Jason Boyd	—	2	48
148	Christopher Jones	—	1	3,767
149	Robert Laymon	—	1	967
150	Michael Robinson	—	1	817
151	Terry Gavin	—	1	1,554
152	Clayton Pitts	—	1	437
153	Audie Mccurdy	—	1	818
154	Louie Hanner	—	1	365
155	Craig Gresham	—	1	1,895
156	Mitch Mathews	—	1	1,418
157	Daniel Martel	—	1	875
158	William Munich	—	1	774
159	Daniel Oconnell	—	1	754
160	Steven Mills	—	1	742
161	Michael Learn	—	1	677
162	Gerlof Boonstra	—	1	639
163	Greg Halvorson	—	1	511
164	Nicholas Ernst	—	1	435
165	Rick Swanson	—	1	434
166	Wesley Glessner	—	1	347
167	George Clovis	—	1	335
168	Gregory Halvorson	—	1	321
169	Mark Nelson	—	1	316
170	Darrell Routien	—	1	295
171	Lewis Adolph JR	—	1	233
172	Kenneth Engle	—	1	180
173	Don Stein	—	1	148
174	NA Unknown	—	1	140
175	Larry Gustin	—	1	119
176	Robert Dehle	—	1	109
177	Richard Bergquist	—	1	88
178	Bruce Predmore	—	1	85
179	Glen Dale	—	1	61
180	James Stair	—	1	57
181	Terrance Ramlo	—	1	57
182	Roy Miller	—	1	56
183	William Ackley	—	1	52
184	Patrick Mcghee	—	1	44
185	John Morris	—	1	40
186	Simon Butler	—	1	35
187	Jack Mcdonald	—	1	34
188	Daniel Claassen	—	1	32
189	Stephen Speelmon	—	1	25

Ranked by wells drilled in King 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 King County?

Pierce Kiltoff has drilled the most King County wells in the recent record — 134 since 2016, 153 in the county all-time.

How many well drilling companies work in King County?

189 companies in the Ecology record have drilled wells in King County; 49 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 King County?

The median drilled depth in King County is 130 ft, based on 11,544 recorded wells. Depths, water levels, and yields are on the King County wells page.

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

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