Best well drillers in Dupage County, Illinois

Not a pay-to-play list: these are the 155 drilling companies with wells on record in Dupage County, ranked by wells actually drilled here — 9,674 logged wells in the Illinois State Geological Survey water well records (records as of 2026-08-20). Every number links back to the public record.

155companies on record

16active since 2022

9,674wells in county record

#	Company	In Dupage Co. since 2016	All-time in county	Statewide
1	Knierim, Ken/K & K Well Drlg.	49	85	831
2	Matt Liberg	43	58	180
3	Fischer, James Monroe	10	264	532
4	Jason Jablonski	10	11	89
5	Will County Well & Pump	9	27	724
6	Jablonski, John A.	6	21	246
7	Stinnett, David	5	20	1,658
8	Neely, Mark S.	4	23	1,091
9	Snelten, A & C	2	4	80
10	Liberg, Patrick A.	1	501	779
11	Weirich, William Theodore	1	47	568
12	Municipal Well & Pump, Inc.	1	2	49
13	K & K Well Drilling	—	1,340	3,028
14	Knierim, Phil	—	1,008	5,361
15	Dupage Pump	—	653	1,094
16	Fykes, Charles N.	—	507	5,947
17	Senffner, Alan James	—	303	1,250
18	Wellendorf, Rodney	—	294	2,313
19	Sisson, Edward	—	270	499
20	Meadow Equipment	—	224	781
21	Liberg, Steven Scott	—	216	377
22	Kerry, Charles M.	—	208	535
23	Sission, Edward H.	—	206	291
24	Liberg, Thomas P.	—	202	357
25	Dietzman, Gerald E.	—	189	1,210
26	Liberg, John E.	—	176	346
27	Diebold Chester C	—	147	149
28	DU Page Pump Inc.	—	144	161
29	Knierim, Phillip E.	—	130	292
30	Layne Western Co., Inc.	—	128	1,442
31	Liberg, Paul Evan	—	113	205
32	Miller, J. P. Art. Well	—	88	291
33	Fischer James	—	83	90
34	Arnt & Son - Dupage	—	81	82
35	Kuehn, Kurt	—	71	144
36	Ward, Delbert G.	—	69	203
37	Fykes Charles & Pump	—	69	127
38	Zanker, Joseph I.	—	67	67
39	Vineyard, Gene F.	—	66	67
40	Testing Service Corp.	—	51	59
41	Kerry, Charles	—	50	126
42	Moore, John V.	—	50	106
43	Rice Well Drilling	—	50	50
44	Laczynski, AL	—	49	50
45	Lockport Well & Pump	—	48	352
46	Shaver, James R. Sr.	—	48	77
47	Liberg Patrick S	—	46	50
48	Senffner, Keith	—	44	209
49	Wehling Well Works, Inc.	—	41	755
50	Efflandt, Robert	—	40	1,673
51	Rob, Ronald	—	37	61
52	Randa WM J	—	37	37
53	Perrine William	—	37	37
54	Fordonski, Keith	—	36	1,622
55	Stanley, Charles	—	35	213
56	Charles M. Kerry	—	35	41
57	Neely & Son	—	34	34
58	Austin, Harry	—	34	34
59	Matherly, Hubert	—	33	1,477
60	Walters, Larry	—	33	1,465
61	Knierum, Paul	—	32	296
62	Bilsky, J. W.	—	30	30
63	Brown, Darwin	—	26	2,130
64	Midwest Well Drlg	—	26	26
65	Gorlo, E. R.	—	25	25
66	Wehling, Richard H.	—	24	312
67	Miller, J.p. Artesian Well Co.	—	23	300
68	Yeoman, Omer	—	23	85
69	Liberg, Steve Jr.	—	21	666
70	Gaffke, George E.	—	19	4,817
71	Foyle, Richard S.	—	19	657
72	Carson, James R.	—	19	101
73	Pitz, John W.	—	18	317
74	John E. Liberg	—	17	34
75	Breitzke, Wm.	—	15	224
76	Geiger, S. B.	—	15	113
77	Wehling, R. H.	—	15	76
78	Schlesser F & Sons	—	15	25
79	NO Company	—	13	508
80	Neely Cliff L	—	13	26
81	Knierim, James	—	12	897
82	Wehling, Wendell E.	—	12	583
83	Sharpe, Franklin N.	—	11	2,123
84	Rob, Ronald Gene	—	10	2,075
85	Milaeger Well Drilling Co.	—	10	63
86	Knierin Paul	—	10	61
87	Neely&schimelpfening	—	10	38
88	Hutchings, Clyde A.	—	9	321
89	Pitz, N. L.	—	9	186
90	Miller, J.p. Co.	—	9	136
91	Stinnett, James R.	—	8	309
92	Buffington, G.	—	8	130
93	Snelten, Stephen A.	—	7	698
94	Neely, Harry C.	—	7	532
95	Neeley, Harry C.	—	7	455
96	Lode, Lawrence James	—	7	179
97	Murdoch, James J.	—	6	33
98	Stanley, Charles Joseph	—	6	33
99	Neupert, Thomas A.	—	6	32
100	Rob, Peter	—	5	1,142
101	Layne & Western Co.	—	5	110
102	Snelton, Peter	—	5	68
103	Brooks, Rollin W.	—	5	37
104	Roe, Ronald	—	5	33
105	Knierim Company, Inc.	—	4	888
106	Knierim, Max	—	4	114
107	Ken Knierim/K & K Well Drlg.	—	4	112
108	Cole, Raymond Joseph Jr.	—	4	92
109	Jurs Martin&sons Inc.	—	4	89
110	John A. Jablonski	—	3	302
111	Geltz, N. H.	—	3	254
112	Wehling, Richard W.	—	3	123
113	Pilgard, Peter & Son	—	3	103
114	Hoover Water Well Servic	—	3	98
115	Thorne, W. L. Co.	—	3	47
116	Steve Liberg, Jr.	—	3	43
117	Gray Well Drlg	—	3	33
118	Knierim James Muelle	—	3	32
119	Area Well & Pump	—	2	755
120	Hoover, Lonny R.	—	2	1,357
121	Pilgard, Peter	—	2	673
122	Tri County Well & Pump	—	2	289
123	Hart - Will-Dupage Drilling	—	2	125
124	Snelton Bros.	—	2	97
125	Suburban Well	—	2	72
126	Burgess, Wayne Jr.	—	2	67
127	Layne North-Central	—	2	42
128	Mcellhiney Wm. Sr.	—	2	26
129	Keller, Larry	—	1	927
130	Strange, Michael	—	1	1,017
131	Kelly, Timothy	—	1	70
132	Layne Christensen Co.	—	1	49
133	Livingston, Lowell	—	1	2,115
134	Courson, Roger	—	1	1,443
135	Snelten, Greg	—	1	1,298
136	Boetsch, William M.	—	1	964
137	Pilgard, John P.	—	1	606
138	Bisping, Calvin	—	1	437
139	Boysen, Henry Co.	—	1	346
140	Elfmann, Larry T.	—	1	198
141	Rieke Well Drilling Co.	—	1	179
142	Winslow, Edwin F.	—	1	161
143	Baker, Paul A.	—	1	137
144	Pediger, Dan	—	1	112
145	Alco Oil & Gas Corp.	—	1	107
146	Snelten, Arthur Charles	—	1	80
147	Mallow	—	1	71
148	Pohl, Harold N.	—	1	64
149	Layne-Western Drlg	—	1	61
150	Szymanski, Ted J.	—	1	45
151	Millis, P. E.	—	1	43
152	Rosenquist, K. W.	—	1	42
153	Donald N. Cleary	—	1	40
154	Schlesser & Sons	—	1	28
155	IL State Water Survey	—	1	26

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

Knierim, Ken/K & K Well Drlg. has drilled the most Dupage County wells in the recent record — 49 since 2016, 85 in the county all-time.

How many well drilling companies work in Dupage County?

155 companies in the ISGS record have drilled wells in Dupage County; 16 of them have drilled somewhere in Illinois since 2022. Smaller operators below the record threshold may also serve the area.

How deep is a typical well in Dupage County?

The median drilled depth in Dupage County is 161 ft, based on 10,728 recorded wells. Depths, water levels, and yields are on the Dupage County wells page.

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

Get quotes from drillers active in Dupage County

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

Drill in Dupage County?

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

Claim your profile

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