⟁ Illinois Well Data field records · 2026 survey

← All Illinois drillers

Best well drillers in Winnebago County, Illinois

Not a pay-to-play list: these are the 120 drilling companies with wells on record in Winnebago County, ranked by wells actually drilled here — 11,189 logged wells in the Illinois State Geological Survey water well records (records as of 2026-10-12). Every number links back to the public record.

120companies on record
16active since 2022
11,189wells in county record
#CompanyIn Winnebago Co. since 2016All-time in countyStatewide
1 Martin, Charles 77 78 130
2 Smith, Allen E. 72 172 310
3 Bull Well Drilling Inc. 36 38 78
4 Deppe, Edward M. 16 48 188
5 Beaman, Jessie J. 12 1,151 2,289
6 Schuur, Bill 11 177 836
7 Skinner, Todd 10 10 572
8 Municipal Well & Pump, Inc. 7 11 56
9 Nice, Mark E. 5 20 1,607
10 Livingston, Lowell 3 1,439 2,135
11 Greenfield, Edwin D. 3 885 1,015
12 Allabaugh Well Co. 2 44 78
13 Hinkle, J & J Well & Septic 1 615 1,011
14 Bloyer Well Co. 1 593 709
15 Roop, Randy/Jonas Martin Drlg. 1 3 393
16 Olson, Robert C — 606 1,010
17 Bull, Jack Well & Septic — 529 707
18 Bull, Jack D. — 422 949
19 Mckinney, Melvin — 385 494
20 Beaman, John A. — 362 522
21 Rosenquist, Gerald Wilbur — 327 891
22 Hinkle, James A. — 196 239
23 Mckinsey, Melvin D. — 174 176
24 Olson Well & Pump Co. — 152 214
25 Hinkle, T. — 146 208
26 Martin, C. & Sons Well Co. — 145 202
27 Mckinney, Melvin D. — 140 231
28 Jack Bull Well & Septic — 117 274
29 Olson, Alan R. — 112 241
30 Mckinney, Winifred — 107 139
31 Huikle, T. — 104 136
32 Roper, William H. — 101 103
33 Martin, Charles Leroy — 97 134
34 Greenfield, ED — 95 138
35 Schmalz Geo A & Son — 94 95
36 E & D Well Drilling — 84 163
37 Raney, Sherman — 80 158
38 Bloyer, Ralph — 76 91
39 Allabaugh, Neil M. — 74 160
40 Martin, Jonas Willard — 72 2,422
41 Motter, O. L. — 66 73
42 Rosenquist, Gerald — 62 68
43 M. & M. Development Company — 55 56
44 Central IL Electric — 52 53
45 Allen E. Smith — 51 75
46 Layne-Western Co. — 46 1,635
47 Hinkle, Truman — 45 55
48 Martin, Lawrence — 44 311
49 Dougherty B J — 44 44
50 Allabaugh, John H. — 43 79
51 C. Martin & Sons Well Co. — 39 55
52 Schmalz, G.a. & Son — 37 42
53 Eastern Petroleum Company — 35 35
54 Silvius Bros. — 34 398
55 Beaman, John — 31 31
56 Hinkle J — 29 34
57 Nice, Marvin R. — 27 1,124
58 Twigg Brothers — 27 27
59 Raney, Sherman L. — 24 25
60 Caper, Garland — 23 28
61 Smeja, Robert B. — 21 107
62 Edward M. Deppe — 21 101
63 Stevens, Dale O. — 18 167
64 Rosenquist, Robert G. — 16 162
65 Robert G. Rosenquist — 15 47
66 Martin, Jonas — 15 27
67 Rosenquist, K. W. — 14 43
68 Varner Well Drilling — 13 32
69 NO Company — 11 564
70 Adkins, Phillip G. — 11 28
71 Martin, Lawrence W. — 10 98
72 Millis, P. E. — 10 43
73 Livingston, William B. — 10 33
74 Randy Roop/Jonas Martin Drlg. — 8 367
75 Wehling, Richard H. — 7 319
76 Carper, Garland L. — 7 42
77 Wehling, Wendell E. — 5 590
78 Miller, J. P. Art. Well — 5 299
79 Varner C W — 5 44
80 Beanland, Ronald D. — 4 1,485
81 Nice, Craig — 4 450
82 Albrecht, S. Dean — 3 1,880
83 Lyons, Glenn L — 3 1,360
84 Niffenegger, ED — 3 197
85 Barker, Paul A. — 3 182
86 Alco Oil & Gas Corp. — 3 123
87 Layne-Western Drlg — 3 73
88 Winslow Drilling — 3 33
89 Greenfield, Edward K. — 2 867
90 Niffenegger Well & Pump — 2 87
91 Efflandt, Robert — 2 1,683
92 Hoover Water Well Service — 2 872
93 Fischer, James Monroe — 2 532
94 Miller, J.p. Artesian Well Co. — 2 317
95 Buffington, G. — 2 147
96 Miller, J.p. Co. — 2 146
97 Layne & Western Co. — 2 114
98 Brooks, Rollin W. — 2 37
99 Niffeneger, Edward L. — 2 31
100 Albrecht, Harold Dean — 1 1,157
101 Keller, Larry — 1 939
102 Layne Christensen Co. — 1 58
103 Winslow, Loring Field — 1 53
104 Wehling Well Works, Inc. — 1 797
105 Meadow Equipment — 1 787
106 Albrecht, Dean S. — 1 703
107 Coad, Floyd M. — 1 515
108 Stone, Ronald D. — 1 301
109 Thompson, Nicholas R. — 1 139
110 Kerry, Charles — 1 127
111 Van Hoozen, Lucy H. — 1 115
112 Dresden, Edward — 1 105
113 Carson, James R. — 1 101
114 Hoover Water Well Servic — 1 98
115 Stone, Herald — 1 83
116 Albrecht Well Drillers — 1 79
117 Milaeger Well Drilling Co. — 1 63
118 Coad Stanley M — 1 43
119 Barker, Paul — 1 37
120 Mcellhiney Wm. Sr. — 1 26

Ranked by wells drilled in Winnebago 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 Winnebago County?

Martin, Charles has drilled the most Winnebago County wells in the recent record — 77 since 2016, 78 in the county all-time.

How many well drilling companies work in Winnebago County?

120 companies in the ISGS record have drilled wells in Winnebago 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 Winnebago County?

The median drilled depth in Winnebago County is 135 ft, based on 12,176 recorded wells. Depths, water levels, and yields are on the Winnebago County wells page.

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

Get quotes from drillers active in Winnebago County

Free. Goes to licensed drillers working Winnebago County.

Drill in Winnebago County?

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

Claim your profile

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