Illinois Well Data field records · 2026 survey

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Best well drillers in Grundy County, Illinois

Not a pay-to-play list: these are the 100 drilling companies with wells on record in Grundy County, ranked by wells actually drilled here — 2,751 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.

100companies on record
11active since 2022
2,751wells in county record
#CompanyIn Grundy Co. since 2016All-time in countyStatewide
1 Liberg, Steve Jr. 74 87 666
2 Area Well & Pump 54 272 755
3 Knierim, Ken/K & K Well Drlg. 38 41 831
4 Strange, Robert E. 17 266 558
5 Wills, William D. 9 197 333
6 Strange, Michael 3 10 1,017
7 Will County Well & Pump 3 9 724
8 Neely, Mark S. 2 6 1,091
9 Wiesenhofer, Andrew 1 19 1,411
10 White, Chris Alan 1 6 432
11 Sharpe, Franklin N. 1 2 2,123
12 Municipal Well & Pump, Inc. 1 1 49
13 Layne Christensen Co. 1 1 49
14 Fykes, Charles N. 393 5,947
15 Anderson & Son, T. F. 180 211
16 Fordonski, Keith 140 1,622
17 Lockport Well & Pump 129 352
18 Knierim, Phil 110 5,361
19 NO Company 93 508
20 Rix, John Richard 79 239
21 Knierim, Paul L. 73 834
22 Wills, Elmer 69 162
23 Brown, Darwin 51 2,130
24 Matherly, Hubert 48 1,477
25 Rob, Ronald Gene 36 2,075
26 Walters, Larry 33 1,465
27 Knierim, James 27 897
28 Bisping, Calvin 25 437
29 Wills, Elmer D. 22 26
30 Wehling Well Works, Inc. 21 755
31 Doyle, Gerald 21 242
32 Layne Western Co., Inc. 20 1,442
33 Knierin Paul 16 61
34 K & K Well Drilling 13 3,028
35 Scherf Robert William 11 614
36 Wellendorf, Rodney 10 2,313
37 Rob, Peter 10 1,142
38 Hayes & Sims Drlg 10 54
39 Mallow 9 71
40 Albrecht Well Drillers 9 66
41 Smith, T. H. 9 43
42 Alco Oil & Gas Corp. 8 107
43 Dick's Well & Pump 8 100
44 Steve Liberg, Jr. 8 43
45 Tri County Well & Pump 7 289
46 Will-Dupage Drilling 7 63
47 Stinnett, David 6 1,658
48 Johnson C R 6 153
49 Woodruff Charles Co. 6 140
50 Albrecht, Dean S. 5 693
51 Neely, Harry C. 5 532
52 Wehling, Richard H. 5 312
53 Donald E. Stoneberger 5 277
54 Wehling, Robert 5 73
55 Knierim Company, Inc. 4 888
56 Meadow Equipment 4 781
57 Miller, J. P. Art. Well 4 291
58 Dreher, Theodore Albert 4 83
59 Norris, Marvin 4 54
60 Dietzman, Gerald E. 3 1,210
61 Wehling, Wendell E. 3 583
62 Kerry, Charles M. 3 535
63 Neeley, Harry C. 3 455
64 Hall, Edward - Web Well & Pump 3 89
65 Milaeger Well Drilling Co. 3 63
66 Stoneberger, Donald 3 47
67 Albrecht, S. Dean 2 1,836
68 Buffington, G. 2 130
69 Hart - Will-Dupage Drilling 2 125
70 Wehling, Richard W. 2 123
71 Hayes & Sims 2 115
72 Crowe, Daniel J. 2 76
73 Comar Drilling Co., Inc. 2 74
74 Grieves, Clifford 2 62
75 Stoneberger, Donald E. 2 51
76 Chitty R E 2 42
77 Joliet Pump Co. 2 27
78 Reynolds Well Drilling 1 1,657
79 Senffner, Alan James 1 1,250
80 Albrecht, S. D. 1 413
81 Liberg, John E. 1 346
82 Miller, J.p. Artesian Well Co. 1 300
83 Knierum, Paul 1 296
84 Scherf, Robert W. 1 295
85 Breitzke, Wm. 1 224
86 Jensen, Kenneth Lee 1 216
87 Bolliger, John & Sons 1 136
88 Ken Knierim/K & K Well Drlg. 1 112
89 Layne & Western Co. 1 110
90 Carson, James R. 1 101
91 Cole, Raymond Joseph Jr. 1 92
92 Layne-Western Drlg 1 61
93 Thorne, W. L. Co. 1 47
94 Smith A J 1 47
95 Santelman, Doyle D. 1 43
96 Rosenquist, K. W. 1 42
97 Donald N. Cleary 1 40
98 Dittmeyer, Peter W. 1 37
99 Bill Sosnowski 1 29
100 Leasure, Arthur C. 1 25

Ranked by wells drilled in Grundy 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 Grundy County?

Liberg, Steve Jr. has drilled the most Grundy County wells in the recent record — 74 since 2016, 87 in the county all-time.

How many well drilling companies work in Grundy County?

100 companies in the ISGS record have drilled wells in Grundy County; 11 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 Grundy County?

The median drilled depth in Grundy County is 168 ft, based on 3,475 recorded wells. Depths, water levels, and yields are on the Grundy County wells page.

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

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