Best well drillers in Winnebago County, Illinois

Not a pay-to-play list: these are the 119 drilling companies with wells on record in Winnebago County, ranked by wells actually drilled here — 10,794 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.

119companies on record

16active since 2022

10,794wells in county record

#	Company	In Winnebago Co. since 2016	All-time in county	Statewide
1	Martin, Charles	50	51	102
2	Smith, Allen E.	40	133	271
3	Bull Well Drilling Inc.	20	21	56
4	Deppe, Edward M.	16	43	182
5	Beaman, Jessie J.	12	1,104	2,238
6	Schuur, Bill	11	156	797
7	Skinner, Todd	10	10	562
8	Nice, Mark E.	5	19	1,589
9	Greenfield, Edwin D.	3	843	968
10	Municipal Well & Pump, Inc.	3	5	49
11	Livingston, Lowell	1	1,421	2,115
12	Hinkle, J & J Well & Septic	1	607	1,003
13	Bloyer Well Co.	1	575	686
14	Allabaugh Well Co.	1	42	75
15	Roop, Randy/Jonas Martin Drlg.	1	3	383
16	Olson, Robert C	—	602	1,003
17	Bull, Jack Well & Septic	—	515	693
18	Bull, Jack D.	—	409	908
19	Mckinney, Melvin	—	382	491
20	Beaman, John A.	—	351	507
21	Rosenquist, Gerald Wilbur	—	321	883
22	Hinkle, James A.	—	193	236
23	Mckinsey, Melvin D.	—	174	175
24	Olson Well & Pump Co.	—	151	210
25	Hinkle, T.	—	143	203
26	Martin, C. & Sons Well Co.	—	143	200
27	Mckinney, Melvin D.	—	139	230
28	Jack Bull Well & Septic	—	117	271
29	Mckinney, Winifred	—	106	138
30	Olson, Alan R.	—	105	220
31	Huikle, T.	—	100	132
32	Roper, William H.	—	98	100
33	Greenfield, ED	—	95	137
34	Martin, Charles Leroy	—	94	128
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	Martin, Jonas Willard	—	72	2,393
40	Allabaugh, Neil M.	—	70	155
41	Motter, O. L.	—	64	71
42	Rosenquist, Gerald	—	61	67
43	M. & M. Development Company	—	55	56
44	Central IL Electric	—	51	52
45	Allen E. Smith	—	45	68
46	Hinkle, Truman	—	45	55
47	Layne Western Co., Inc.	—	44	1,442
48	Dougherty B J	—	44	44
49	Allabaugh, John H.	—	42	78
50	Martin, Lawrence	—	38	292
51	C. Martin & Sons Well Co.	—	36	52
52	Eastern Petroleum Company	—	35	35
53	Schmalz, G.a. & Son	—	33	38
54	Silvius Bros.	—	32	394
55	Beaman, John	—	31	31
56	Hinkle J	—	29	34
57	Nice, Marvin R.	—	25	1,120
58	Twigg Brothers	—	25	25
59	Raney, Sherman L.	—	24	25
60	Caper, Garland	—	23	28
61	Edward M. Deppe	—	19	96
62	Smeja, Robert B.	—	17	102
63	Stevens, Dale O.	—	15	163
64	Rosenquist, K. W.	—	14	42
65	Martin, Jonas	—	14	25
66	Rosenquist, Robert G.	—	13	158
67	Varner Well Drilling	—	13	31
68	NO Company	—	11	508
69	Robert G. Rosenquist	—	11	42
70	Adkins, Phillip G.	—	11	28
71	Martin, Lawrence W.	—	10	97
72	Millis, P. E.	—	10	43
73	Livingston, William B.	—	10	33
74	Carper, Garland L.	—	7	42
75	Randy Roop/Jonas Martin Drlg.	—	6	352
76	Varner C W	—	5	42
77	Beanland, Ronald D.	—	4	1,343
78	Nice, Craig	—	4	448
79	Wehling, Richard H.	—	4	312
80	Miller, J. P. Art. Well	—	4	291
81	Albrecht, S. Dean	—	3	1,836
82	Lyons, Glenn L	—	3	1,342
83	Wehling, Wendell E.	—	3	583
84	Niffenegger, ED	—	3	190
85	Barker, Paul A.	—	3	181
86	Alco Oil & Gas Corp.	—	3	107
87	Greenfield, Edward K.	—	2	833
88	Niffenegger Well & Pump	—	2	86
89	Efflandt, Robert	—	2	1,673
90	Hoover Water Well Service	—	2	867
91	Fischer, James Monroe	—	2	532
92	Miller, J.p. Artesian Well Co.	—	2	300
93	Miller, J.p. Co.	—	2	136
94	Buffington, G.	—	2	130
95	Layne & Western Co.	—	2	110
96	Layne-Western Drlg	—	2	61
97	Brooks, Rollin W.	—	2	37
98	Niffeneger, Edward L.	—	2	31
99	Albrecht, Harold Dean	—	1	1,132
100	Keller, Larry	—	1	927
101	Layne Christensen Co.	—	1	49
102	Winslow, Loring Field	—	1	51
103	Meadow Equipment	—	1	781
104	Wehling Well Works, Inc.	—	1	755
105	Albrecht, Dean S.	—	1	693
106	Coad, Floyd M.	—	1	509
107	Stone, Ronald D.	—	1	301
108	Thompson, Nicholas R.	—	1	139
109	Kerry, Charles	—	1	126
110	Van Hoozen, Lucy H.	—	1	115
111	Carson, James R.	—	1	101
112	Dresden, Edward	—	1	100
113	Hoover Water Well Servic	—	1	98
114	Stone, Herald	—	1	81
115	Albrecht Well Drillers	—	1	66
116	Milaeger Well Drilling Co.	—	1	63
117	Coad Stanley M	—	1	43
118	Barker, Paul	—	1	36
119	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 — 50 since 2016, 51 in the county all-time.

How many well drilling companies work in Winnebago County?

119 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 11,760 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.

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