| 1 | Weninger Drilling, LLC | 3,274 | 6,348 | 6,871 |
| 2 | Premier Pump & Well Service, Inc. | 1,899 | 3,063 | 3,643 |
| 3 | Chase Drilling | 1,796 | 3,959 | 4,761 |
| 4 | Harp Well & Pump Service, Inc. | 1,773 | 19,540 | 22,219 |
| 5 | East Wichita Well & Pump Service LLC | 849 | 849 | 1,186 |
| 6 | Bearden Pump & Well Service | 814 | 2,437 | 2,452 |
| 7 | Jessica Hauserman | 288 | 289 | 330 |
| 8 | Harp Well & Pump Srvc | 237 | 237 | 261 |
| 9 | Reiserer Well Drilling | 139 | 434 | 791 |
| 10 | Premier Pump & Well Srvc #238 | 104 | 104 | 188 |
| 11 | Mcpherson Drilling Co. | 79 | 81 | 368 |
| 12 | Premier Pump & Well Service, Inc. #238 | 74 | 77 | 111 |
| 13 | East Wichita Well & Pump Srvc | 54 | 54 | 87 |
| 14 | Peterson Mcnett Drilling, Inc. | 45 | 46 | 1,260 |
| 15 | Greenstreet Well Srvc | 44 | 44 | 46 |
| 16 | Funkee Drilling | 37 | 51 | 61 |
| 17 | Gsi Engineering, LLC | 30 | 96 | 100 |
| 18 | Driskill Drilling LLC | 29 | 29 | 30 |
| 19 | Rosencrantz-Bemis Enterprises, Inc. | 22 | 105 | 11,621 |
| 20 | James Munyon, JM Enterprises | 18 | 542 | 542 |
| 21 | H2o Drilling | 18 | 18 | 370 |
| 22 | Clarke Well And Equipment, Inc. | 17 | 178 | 4,014 |
| 23 | Equus Beds Gmd 2 | 10 | 10 | 25 |
| 24 | Miller Drilling | 5 | 45 | 7,473 |
| 25 | Rosencrantz-Bemis Ent. | 5 | 5 | 748 |
| 26 | JM Enterprises | 4 | 38 | 43 |
| 27 | Layne-Christensen Co. | 2 | 139 | 1,076 |
| 28 | Hobbs Mechanical, Inc. | 2 | 7 | 113 |
| 29 | Lyman's, Inc. | 2 | 5 | 337 |
| 30 | Clarke Well & Equip. | 2 | 2 | 107 |
| 31 | Peterson Drilling, LLC | 2 | 2 | 76 |
| 32 | Geocore Services Inc. | 1 | 4 | 327 |
| 33 | Jerome Weninger Drilling, Inc. | — | 2,795 | 3,108 |
| 34 | Rick Chase Water Well Drilling | — | 2,269 | 2,682 |
| 35 | Jet Water Well Drilling | — | 413 | 429 |
| 36 | G & S Drilling, Inc. | — | 332 | 768 |
| 37 | R & A Water Well Service | — | 261 | 263 |
| 38 | Curtis J. Weninger Irrigation | — | 252 | 523 |
| 39 | Otis Bearden, Wayne Bearden | — | 252 | 253 |
| 40 | Craig Roberts Co. | — | 219 | 458 |
| 41 | Glenn J. Protheroe Pump & Well Service | — | 179 | 179 |
| 42 | Leroy A. Risley | — | 160 | 160 |
| 43 | Ralph S. Metzger Well Digger Drilling | — | 138 | 161 |
| 44 | Bearden Pump & Well Ser. | — | 132 | 138 |
| 45 | 21st Electric, Inc. | — | 126 | 129 |
| 46 | Winter Well Drilling | — | 125 | 211 |
| 47 | Robert L. Sharp Water Well Services | — | 101 | 299 |
| 48 | Jerry Reiserer Well Drilling | — | 92 | 519 |
| 49 | Charles Winter Well Drilling | — | 87 | 861 |
| 50 | Abc Water Well Service | — | 83 | 87 |
| 51 | Richard D. Braddy Water Wells | — | 71 | 363 |
| 52 | Peterson Irrigation, Inc. | — | 67 | 3,499 |
| 53 | Boyd Moore Construction | — | 41 | 41 |
| 54 | Layne-Western | — | 32 | 351 |
| 55 | Martin Water Well Drilling | — | 29 | 70 |
| 56 | Glenn E. Mcmillan Water Well Drilling | — | 28 | 28 |
| 57 | Glen Chase Drilling | — | 27 | 141 |
| 58 | Geotechnical Services, Inc. | — | 27 | 55 |
| 59 | Mike Flowers Drilling & Pump Service | — | 26 | 149 |
| 60 | Fudge Drilling | — | 25 | 101 |
| 61 | William J. Stobbe Water Well Drlg. | — | 22 | 27 |
| 62 | Sargent Drilling | — | 15 | 168 |
| 63 | Central Well & Pump, Inc. | — | 14 | 1,186 |
| 64 | Kelly's Water Well Service, Inc. | — | 13 | 8,942 |
| 65 | Pratt Well Service, Inc. | — | 9 | 529 |
| 66 | Dal Wells Drilling Co. | — | 8 | 393 |
| 67 | Donald J. Darling Drilling Co. | — | 8 | 108 |
| 68 | Michael Peterson Irrigation, Inc. | — | 7 | 844 |
| 69 | Frank Budde Well Drilling | — | 7 | 192 |
| 70 | Associated Environmental, Inc. | — | 6 | 472 |
| 71 | Murray Wike Well Drilling | — | 6 | 89 |
| 72 | Austin C. Prewit Drilling Company | — | 6 | 50 |
| 73 | J. Abraham, J. Plummer, Brown | — | 5 | 40 |
| 74 | D & R Well Service | — | 4 | 59 |
| 75 | Simmon's Drlg | — | 4 | 25 |
| 76 | Crowdis Water Well Service, LLC | — | 3 | 1,173 |
| 77 | Woofter Pump & Well, Inc. | — | 3 | 1,939 |
| 78 | Carl Vincent Service | — | 3 | 366 |
| 79 | Ezra Miller Water Well Service | — | 3 | 208 |
| 80 | United Water Well & Pump, Inc. | — | 3 | 113 |
| 81 | Ksu | — | 3 | 92 |
| 82 | Advance Termite And Pest Control, Inc. | — | 3 | 50 |
| 83 | Associated Drilling, Inc. | — | 2 | 1,922 |
| 84 | Kdot | — | 2 | 101 |
| 85 | Henkle Drilling & Supply Co. Inc. | — | 2 | 2,375 |
| 86 | Sam's Water Well Service | — | 2 | 1,433 |
| 87 | Martin Supply | — | 2 | 94 |
| 88 | Paul's Incorporated | — | 1 | 440 |
| 89 | Red Tiger Drilling Co. | — | 1 | 194 |