| 1 | Coast Water Well Service, Inc. | 8,100 | — | 15 | 2013-06-10 |
| 2 | Irrigation Equipment, Inc. | 5,925 | — | 30 | 2013-02-08 |
| 3 | Fitzgerald Well Service, Inc. | 5,088 | — | 16 | 2013-08-19 |
| 4 | Layne Central Company | 2,984 | — | 82 | 2012-05-21 |
| 5 | Mcdonald And Hill, Inc. | 2,912 | — | 19 | 2013-08-26 |
| 6 | Grenn Water Well And Supply, Inc. | 2,822 | — | 18 | 2013-10-15 |
| 7 | Pierce Water Well Service, Inc. | 2,595 | — | 5 | 2013-08-30 |
| 8 | James Wells Water Well Service | 2,329 | — | 32 | 2013-10-01 |
| 9 | Mason Water Wells, LLC | 2,291 | — | 20 | 2013-12-21 |
| 10 | Hicks Well Drilling Company | 2,178 | — | 9 | 2002-11-29 |
| 11 | Rayborn Drilling, Inc. | 1,837 | — | 36 | 2013-12-03 |
| 12 | Reeves Well Drilling Service | 1,712 | — | 15 | 2002-10-08 |
| 13 | Fryfogle Water Well Service | 1,606 | — | 10 | 2013-01-05 |
| 14 | Mcgill Pump And Well | 1,602 | — | 5 | 2003-09-11 |
| 15 | Coastal Drilling And Service Company | 1,568 | — | 6 | 2007-04-18 |
| 16 | Smith Well Drilling And Service | 1,500 | — | 19 | 2009-11-06 |
| 17 | Griner Drilling Service, Inc. | 1,463 | — | 53 | 2013-11-13 |
| 18 | Chicot Irrigation, Inc. | 1,429 | — | 19 | 2010-06-15 |
| 19 | Thomas Drilling And Supply Company | 1,372 | — | 20 | 2013-04-26 |
| 20 | Roy V West Water Well Drilling, Inc. | 1,223 | — | 35 | 2012-08-17 |
| 21 | Thompson Brothers Drilling, Inc. | 1,133 | — | 53 | 2013-09-19 |
| 22 | Boones Water Well Service, LLC | 1,030 | — | 23 | 2004-05-25 |
| 23 | Leeper Drilling, LLC | 960 | — | 25 | 2013-06-15 |
| 24 | Mid-South Water And Machine Works, LLC | 951 | — | 38 | 2013-08-13 |
| 25 | E M Bud Cresswell Water Well Drilling And Service | 841 | — | 16 | 2008-09-22 |
| 26 | Herndon Well And Supply, Inc. | 830 | — | 63 | 2002-03-04 |
| 27 | Schudco Ltd | 809 | — | 17 | 2009-03-19 |
| 28 | Ward Well Drilling Company | 789 | — | 4 | 1988-10-15 |
| 29 | Wilson Well Company, Inc. | 743 | — | 12 | 2013-05-28 |
| 30 | Tom Griffith Water Well And Conductor Service, Inc. | 741 | — | 38 | 2012-05-18 |
| 31 | J And S Water Well Drilling | 733 | — | 29 | 2012-12-04 |
| 32 | Easley Water Well Drilling | 681 | — | 18 | 2012-10-30 |
| 33 | Lipe Well And Supply Company, Inc. | 674 | — | 29 | 2004-04-22 |
| 34 | Butane Gas Company OF Greenwood | 646 | — | 15 | 1991-06-08 |
| 35 | Clardy Drilling And Excavation, LLC | 645 | — | 5 | 2012-08-23 |
| 36 | Lyman Well Company, LLC | 603 | — | 12 | 2013-07-25 |
| 37 | Necaise Well Service, Inc. | 599 | — | 4 | — |
| 38 | Larry Carpenter Well Company | 584 | — | 5 | 2013-03-27 |
| 39 | Dyer Well And Irrigation Service | 583 | — | 17 | 1992-06-24 |
| 40 | Bud Penton And Son Water Well Service | 582 | — | 3 | 1983-10-30 |
| 41 | Wells Water Well Drilling And Repair | 514 | — | 30 | — |
| 42 | Anderson, Parnell | 471 | — | 8 | 1971-01-01 |
| 43 | North Mississippi Well Drilling | 471 | — | 10 | 2010-05-19 |
| 44 | Medlin Well Company | 453 | — | 8 | 2007-09-05 |
| 45 | A-1 Drilling Service, Inc. | 430 | — | 20 | 2010-04-19 |
| 46 | Penton Well Service | 424 | — | 4 | 2003-12-20 |
| 47 | Sutter Well Works | 419 | — | 7 | 1973-06-15 |
| 48 | Moores Water Well Service | 399 | — | 11 | 2004-03-24 |
| 49 | Havard Drilling Company | 396 | — | 8 | 2013-06-20 |
| 50 | Cochran Water Well Service | 386 | — | 11 | — |
| 51 | Jordan Water Well Service | 355 | — | 18 | 2003-02-10 |
| 52 | Bryant Well And Pump Service | 346 | — | 24 | 2012-04-28 |
| 53 | R L Carpenter And Son | 342 | — | 3 | 1974-01-01 |
| 54 | Hollinger Plumbing And Water Well Drilling | 333 | — | 7 | — |
| 55 | Carrs Drilling Service | 328 | — | 13 | 2008-07-30 |
| 56 | Walker Welding And Repair Shop | 325 | — | 6 | — |
| 57 | Water Well Services, LLC | 325 | — | 23 | 2013-11-01 |
| 58 | Peeples And Rutledge Drilling | 325 | — | 4 | 1973-01-01 |
| 59 | Herndon Homan Well And Supply Inc. | 323 | — | 7 | 1971-01-01 |
| 60 | Porter Drilling And Supply Company | 315 | — | 6 | 1984-09-12 |
| 61 | Pouncey Water Wells | 310 | — | 3 | 2002-07-26 |
| 62 | Sidney Cook Drilling Company, Inc. | 305 | — | 11 | 2008-01-16 |
| 63 | Larry's Well And Pump Company | 302 | — | 11 | 1988-06-20 |
| 64 | Schultz Drilling Company | 290 | — | 9 | 1991-11-11 |
| 65 | Harrington Drilling Company | 284 | — | 10 | 2011-08-30 |
| 66 | J T Covington And Son, Inc. | 282 | — | 7 | 1973-01-01 |
| 67 | Bob Smith Well Service | 279 | — | 5 | 1975-01-01 |
| 68 | C And L Drilling, LLC | 277 | — | 17 | — |
| 69 | Delta Well And Supply Company | 275 | — | 7 | 1981-02-23 |
| 70 | Parks And Parks Water Well Service, Inc. | 273 | — | 34 | 2012-11-05 |
| 71 | J W Webb And Sons, Inc. | 272 | — | 19 | 1991-07-08 |
| 72 | MS Department OF Environmental Quality | 251 | — | 53 | 2016-06-30 |
| 73 | Williamson Drilling Company | 248 | — | 6 | 1971-01-01 |
| 74 | Delta Drilling Company | 246 | — | 19 | 2008-09-05 |
| 75 | Terry Drilling Company Inc. | 243 | — | 9 | 1982-06-07 |
| 76 | Mcilwain Water Well Service | 241 | — | 3 | — |
| 77 | Homan Well And Supply | 238 | — | 8 | — |
| 78 | Petes Well Drilling And Pump Service | 232 | — | 9 | 2008-11-14 |
| 79 | Bonds Well Drilling | 230 | — | 7 | 1975-01-01 |
| 80 | Faires Well Supply | 229 | — | 2 | 1975-01-01 |
| 81 | Duncan Well Drilling | 220 | — | 5 | 1980-04-22 |
| 82 | Delta Drilling OF Tunica Inc. | 220 | — | 9 | 2011-03-01 |
| 83 | Merritt, E K | 214 | — | 3 | 1965-01-01 |
| 84 | Reeves, Chester | 211 | — | 4 | 1974-01-01 |
| 85 | Five County Farmers Association | 210 | — | 8 | 1982-09-16 |
| 86 | Braden Pump And Well Service Inc. | 202 | — | 10 | 1986-08-26 |
| 87 | Ratliff Water Well Service, Inc. | 202 | — | 44 | 2016-06-25 |
| 88 | Allsup Drilling, Inc. | 200 | — | 5 | 1971-01-01 |
| 89 | Jack Martin Well Service | 194 | — | 4 | 1978-12-05 |
| 90 | Jolted Well Service Corp | 192 | — | 12 | — |
| 91 | Powell Irrigation, Inc. | 192 | — | 13 | 2000-01-01 |
| 92 | Houston Drilling, Inc. | 191 | — | 12 | 2006-07-02 |
| 93 | Price Well Service | 189 | — | 7 | 2003-02-20 |
| 94 | Fore, JR, E B | 188 | — | 15 | 1974-01-01 |
| 95 | Wilson, Robert W | 184 | — | 2 | — |
| 96 | Carpenter Well Company | 183 | — | 6 | 2003-04-01 |
| 97 | Southern Well Services, LLC | 181 | — | 1 | 1988-07-20 |
| 98 | Lambert Drilling And Contracting Company | 180 | — | 6 | 1987-03-25 |
| 99 | Peacock's Pump And Repair, Inc. | 179 | — | 14 | — |
| 100 | Rossi Drilling And Pump Service | 177 | — | 9 | 2013-02-11 |
| 101 | Sherrard, E B | 171 | — | 7 | 1974-01-01 |
| 102 | Green Water Well Drilling | 171 | — | 10 | — |
| 103 | C P Clark Water Well Drilling | 165 | — | 17 | 1985-01-13 |
| 104 | Daniel Boone Water Well Drilling | 158 | — | 13 | 2001-03-21 |
| 105 | K And T Drilling | 158 | — | 16 | 2003-10-15 |
| 106 | Parker Water Well Service | 152 | — | 17 | 2007-08-09 |
| 107 | Bobby Beech Well Works And Pump Repair | 151 | — | 2 | 1999-06-28 |
| 108 | Robert E Ratliff Company, Inc. | 151 | — | 47 | 1996-03-26 |
| 109 | Wagnon Well Service | 150 | — | 4 | 2011-06-02 |
| 110 | Busbys Well Service, LLC | 147 | — | 3 | — |
| 111 | Harris Brothers Water Well Contractors | 145 | — | 4 | 1971-01-01 |
| 112 | Mississippi Water Well Drilling And Service | 144 | — | 20 | 2013-05-29 |
| 113 | Diversified Drilling Services, Inc. | 144 | — | 1 | 2008-03-27 |
| 114 | Berryman, Bruce | 142 | — | 13 | 1986-04-03 |
| 115 | Gullet Water Well Drilling And Repair | 138 | — | 5 | — |
| 116 | C And S Drilling Company | 135 | — | 14 | 2005-05-16 |
| 117 | Simpson, Billy R | 135 | — | 3 | 1974-01-01 |
| 118 | Jumper Well Services, Inc. | 134 | — | 11 | 2003-10-28 |
| 119 | Cook Drilling Company Inc. | 133 | — | 7 | 1979-04-01 |
| 120 | Thomas And Son Drilling Company | 129 | — | 12 | — |
| 121 | Carloss Well Supply Company | 128 | — | 41 | 1988-07-19 |
| 122 | Switzer Well Company | 127 | — | 5 | 1981-07-28 |
| 123 | Comans Well Drilling | 123 | — | 9 | 1984-07-30 |
| 124 | Fryfogles Outdoor Equipment | 122 | — | 6 | — |
| 125 | Reeves Well And Pump Company | 122 | — | 3 | 1969-01-01 |
| 126 | H And S Well Works And Pump Repairs | 120 | — | 3 | 1978-02-24 |
| 127 | Gardner Drilling Service | 120 | — | 9 | 2008-03-25 |
| 128 | Mcclains Pump Service | 120 | — | 3 | 2002-05-22 |
| 129 | Howell Well Drilling Service | 116 | — | 5 | 1979-08-04 |
| 130 | T M Parks Drilling And Sales Company | 116 | — | 28 | 1991-05-24 |
| 131 | Donald Smith Company, Inc. | 108 | — | 40 | 2013-06-21 |
| 132 | M And B Drilling Company, Inc. | 106 | — | 7 | 1969-01-01 |
| 133 | Morphis Brothers, Inc. | 106 | — | 15 | 1994-09-04 |
| 134 | Bumpas Well Company | 106 | — | 3 | — |
| 135 | Guinn Water Well Service | 98 | — | 12 | 1990-09-06 |
| 136 | Echols, Herman | 97 | — | 4 | — |
| 137 | Earl Jones Well Company | 94 | — | 2 | — |
| 138 | Stafford Water Well Service | 92 | — | 6 | — |
| 139 | Burney Water Well Company | 92 | — | 4 | — |
| 140 | Thompson Brothers Water Well Service | 91 | — | 26 | 1972-01-01 |
| 141 | Mid-South Water, LLC | 90 | — | 16 | 2017-01-12 |
| 142 | Simpson Well Construction | 88 | — | 4 | — |
| 143 | M And M Well Service | 86 | — | 3 | 2003-08-21 |
| 144 | Anthony Drilling Company | 84 | — | 7 | 2008-06-24 |
| 145 | Walker-Hill Environmental, Inc. | 83 | — | 28 | 2010-05-07 |
| 146 | Smith Forge And Welding | 83 | — | 3 | — |
| 147 | Southern Mississippi Water Well Drilling | 81 | — | 9 | 2012-12-14 |
| 148 | Big Stream Well Drilling Inc. | 80 | — | 8 | 1991-01-01 |
| 149 | Bob Smith Well Drilling Inc. | 80 | — | 4 | 1971-01-01 |
| 150 | Burge Well Service | 76 | — | 5 | — |
| 151 | Allen And Willis Drilling Company | 76 | — | 6 | 2010-07-27 |
| 152 | Frost Well Supply Company | 76 | — | 5 | 2013-06-24 |
| 153 | Bailey Drilling Company | 75 | — | 14 | 1980-04-29 |
| 154 | Clear Water Drilling, LLC | 73 | — | 2 | 2000-10-19 |
| 155 | Brumfield Well Service | 73 | — | 8 | 1983-07-18 |
| 156 | Poole Water Well Drilling And Service | 72 | — | 5 | — |
| 157 | W J Reeves And Son | 71 | — | 4 | 1961-01-01 |
| 158 | Corinth Well Drilling | 71 | — | 2 | 1972-01-01 |
| 159 | Griffin Well Company | 69 | — | 3 | — |
| 160 | Singer Layne Central Division | 69 | — | 5 | 1975-01-01 |
| 161 | J And K Irrigation Well Service, Inc. | 64 | — | 6 | 1988-07-04 |
| 162 | Coleville Water Supply Company | 62 | — | 2 | 1974-01-01 |
| 163 | Cains Water Well Service | 61 | — | 6 | 1975-01-01 |
| 164 | Sumrall Drilling Service | 58 | — | 7 | 1975-01-01 |
| 165 | Haertels Well Service | 56 | — | 2 | 1977-09-02 |
| 166 | Youngs Custom Service, LLC | 56 | — | 9 | 2007-08-10 |
| 167 | M And H Well Company | 55 | — | 3 | 1975-01-01 |
| 168 | Garner Houston Well Company | 54 | — | 7 | 2012-05-10 |
| 169 | S And P Water Well Contractors | 53 | — | 4 | 1971-01-01 |
| 170 | Roberson, Jerry | 53 | — | 2 | 1969-01-01 |
| 171 | Total Service Company, Inc. | 52 | — | 22 | 2007-01-08 |
| 172 | West Water Well | 51 | — | 18 | — |
| 173 | W Geotechnical And Testing, Inc. | 50 | — | 8 | 2008-08-27 |
| 174 | Usace | 50 | — | 14 | 2005-04-08 |
| 175 | Kees, Michael W | 49 | — | 10 | — |
| 176 | Tims Well And Pump Service | 49 | — | 12 | 2003-10-25 |
| 177 | Andys Drilling Company | 48 | — | 1 | — |
| 178 | Neyman Water Well Drilling | 48 | — | 1 | — |
| 179 | Medlin, J T | 48 | — | 1 | — |
| 180 | Usgs | 46 | — | 5 | 2019-09-18 |
| 181 | Josh Boones Water Well | 46 | — | 14 | — |
| 182 | Clark Brothers Well Drilling | 46 | — | 4 | 1969-01-01 |
| 183 | Mcneece Drilling Company | 45 | — | 5 | 1968-01-01 |
| 184 | Delta Irrigation And Supply Inc. | 45 | — | 8 | 1984-04-14 |
| 185 | Clark, Edward | 44 | — | 2 | — |
| 186 | Layne Christensen Company | 43 | — | 19 | 2010-04-26 |
| 187 | Southwest Mississippi Community College | 43 | — | 8 | 2012-03-08 |
| 188 | David F Berry And Son | 43 | — | 7 | 1969-10-01 |
| 189 | Neil Lumpkin Water Well Service | 40 | — | 4 | 1997-05-14 |
| 190 | Ridgeway, Marvin S | 40 | — | 2 | — |
| 191 | Ewing Gas Company, Inc. | 40 | — | 4 | 1962-01-01 |
| 192 | Hall Drilling Company | 39 | — | 5 | 1967-01-01 |
| 193 | Hester Drilling Company | 39 | — | 4 | 1982-04-14 |
| 194 | Amite Pump And Well Supply Company Inc. | 37 | — | 4 | — |
| 195 | Lovorn, Charles P | 37 | — | 4 | 1970-01-01 |
| 196 | Barnes, John G | 36 | — | 2 | 1970-01-01 |
| 197 | Triple M Irrigation | 36 | — | 11 | — |
| 198 | Hughes Well Drilling | 36 | — | 3 | 1969-01-01 |
| 199 | Advanced Wells And Water, LLC | 35 | — | 1 | 2008-02-10 |
| 200 | W L Burle Engineers, PA | 34 | — | 7 | — |
| 201 | Alford Irrigation, Inc. | 33 | — | 7 | — |
| 202 | Wilkerson Drilling Service | 32 | — | 4 | 1973-01-01 |
| 203 | Beechs Well Works | 31 | — | 2 | — |
| 204 | Batson Drilling | 31 | — | 4 | — |
| 205 | Aquaterra Engineering, LLC | 31 | — | 8 | 2005-07-26 |
| 206 | E-Z Drilling, Pump And Pipe Supply | 31 | — | 2 | — |
| 207 | Mckay Drilling Company | 31 | — | 6 | 1962-01-01 |
| 208 | S And S Well Works | 30 | — | 2 | — |
| 209 | Ginn Plumbing And Well Service | 30 | — | 5 | — |
| 210 | R Woodward Drilling | 29 | — | 2 | — |
| 211 | Brown, Fernie And Elbert | 29 | — | 1 | — |
| 212 | Watson Drilling Co. | 29 | — | 6 | 1975-10-13 |
| 213 | Smith, Sam P | 29 | — | 2 | 1970-01-01 |
| 214 | Central MS Water Well Services, LLC | 28 | — | 4 | — |
| 215 | Matthews Drilling Inc. | 27 | — | 7 | — |
| 216 | Water Well Solutions | 27 | — | 5 | — |
| 217 | Norvell Drilling Company | 27 | — | 1 | 1961-01-01 |
| 218 | Irrigation Supply Company, Inc. | 26 | — | 5 | 2007-03-15 |
| 219 | Coretec | 25 | — | 2 | — |
| 220 | Stockstill Brothers Inc. | 25 | — | 2 | — |
| 221 | Lumpkin Well Drilling Service | 25 | — | 4 | 1973-05-10 |
| 222 | O J Harris And Son Drilling Service | 25 | — | 3 | 1985-07-24 |
| 223 | W K Barnes Water Wells, Inc. | 25 | — | 5 | 1973-01-01 |
| 224 | Petrich, Alvin | 25 | — | 2 | 1962-01-01 |
| 225 | Davis, John A | 25 | — | 4 | 1972-01-01 |