| MARATHON OIL EF | — | INDIVIDUAL | 77 | $257.9M |
| EOG RESOURCES | HOUSTON, TX | INDIVIDUAL | 181 | $145.1M |
| XTO ENERGY MINERAL PROP | — | INDIVIDUAL | 44 | $102.3M |
| JAVELIN ENERGY MANAGEMENT | — | INDIVIDUAL | 50 | $45.4M |
| EMORY PEAK MINERALS SUB IV | — | INDIVIDUAL | 22 | $26.6M |
| TEXAS AMERICAN RESOURCES II | — | INDIVIDUAL | 20 | $25.5M |
| JAVELIN PALO VERDE | — | INDIVIDUAL | 29 | $23.6M |
| HARRISON DAN J III | — | INDIVIDUAL | 8 | $21.1M |
| EMORY PEAK HOLDINGS III | — | INDIVIDUAL | 5 | $20.2M |
| 74 RANCH MINERALS | — | INDIVIDUAL | 7 | $19.6M |
| VALENCE PRODUCING | — | INDIVIDUAL | 6 | $18.9M |
| VERDUN OIL AND GAS | — | INDIVIDUAL | 8 | $17.3M |
| XTO ENERGY | — | INDIVIDUAL | 4 | $14.4M |
| MURPHY EXPLORATION AND PROD | — | INDIVIDUAL | 48 | $14.3M |
| INEOS USA OIL AND GAS | — | INDIVIDUAL | 2 | $13.4M |
| PILLAR EFS | — | INDIVIDUAL | 17 | $13.2M |
| SILVERBOW RESOURCES | — | INDIVIDUAL | 21 | $7.8M |
| TIDAL PETROLEUM | — | INDIVIDUAL | 1 | $6.6M |
| TRINITY OPERATING USG | — | INDIVIDUAL | 9 | $6.3M |
| VALENCE OPERATING | — | INDIVIDUAL | 5 | $6.2M |
| COUNTISS DANIEL DENTON | — | INDIVIDUAL | 4 | $5.8M |
| MCS MINERALS | — | INDIVIDUAL | 51 | $5.8M |
| HARRISON DANIEL J III | — | INDIVIDUAL | 7 | $4.9M |
| CRUZ MINERAL INVESTMENTS | — | INDIVIDUAL | 8 | $4.3M |
| MMB MINERALS | — | INDIVIDUAL | 14 | $3.9M |
| TOM ROYALTIES | — | INDIVIDUAL | 11 | $3.7M |
| CINCO OIL AND GAS | — | ENTITY | 17 | $3.7M |
| JLT O AND G | — | INDIVIDUAL | 28 | $3.6M |
| B AND J MINERAL | — | INDIVIDUAL | 13 | $2.9M |
| MUD MONEY | — | INDIVIDUAL | 14 | $2.9M |
| AMBER HARVEST | — | INDIVIDUAL | 44 | $2.8M |
| DJH MINERALS | HOUSTON, TX | INDIVIDUAL | 2 | $2.8M |
| DILLON REILLY MCNEEL A | — | INDIVIDUAL | 8 | $2.6M |
| TRAILBLAZER ENERGY RESOURCES | — | INDIVIDUAL | 16 | $2.3M |
| BWOTS HOLDINGS | — | INDIVIDUAL | 9 | $2.3M |
| PEELER A M RANCH | — | INDIVIDUAL | 20 | $2.3M |
| TEXAS OSAGE ROYALTY POOL | SAN ANTONIO, TX | INDIVIDUAL | 48 | $2.1M |
| SHS 2003 | — | INDIVIDUAL | 9 | $1.9M |
| MICHAEL ERIC LONNIE | — | INDIVIDUAL | 1 | $1.9M |
| PROTEGE ENERGY III | — | INDIVIDUAL | 16 | $1.8M |
| WYE RANCH | — | INDIVIDUAL | 7 | $1.8M |
| MCMAHON MARGARET BOWMAN | — | INDIVIDUAL | 15 | $1.8M |
| R MAY OIL AND GAS | — | INDIVIDUAL | 17 | $1.7M |
| MARATHON OIL | HOUSTON, TX | INDIVIDUAL | 3 | $1.7M |
| KELLER JAMES M SUB | — | INDIVIDUAL | 6 | $1.7M |
| GORDON NICHOLAS E | — | INDIVIDUAL | 8 | $1.7M |
| FREEHOLD ROYALTIES USA | — | INDIVIDUAL | 34 | $1.6M |
| STOCKSETH STEVEN W | — | INDIVIDUAL | 13 | $1.5M |
| MATADOR PRODUCTION | — | INDIVIDUAL | 1 | $1.4M |
| GORDON JOHN T | — | INDIVIDUAL | 6 | $1.4M |
| DICKE FRANKIE HENRY | — | INDIVIDUAL | 18 | $1.3M |
| KAISER IDA MAE | — | INDIVIDUAL | 11 | $1.3M |
| KELLER JAMES MCNEEL | — | INDIVIDUAL | 6 | $1.3M |
| HERRON MARNIE RAYES | — | INDIVIDUAL | 14 | $1.2M |
| GLOVER SUSAN R | — | INDIVIDUAL | 8 | $1.2M |
| STOCKSETH MARK D | — | INDIVIDUAL | 12 | $1.2M |
| BOWMAN BARBARA | — | INDIVIDUAL | 21 | $1.2M |
| DILLON REILLY MCNEEL REV | — | INDIVIDUAL | 9 | $1.2M |
| HINDES 71 O AND G | — | INDIVIDUAL | 8 | $1.1M |
| WEED LINDA GAIL | — | INDIVIDUAL | 7 | $1.1M |
| EAGLE FORD AUSTIN INTERESTS | — | INDIVIDUAL | 47 | $1.1M |
| OCELOT SUSPENSE | — | INDIVIDUAL | 2 | $1.1M |
| CALLAHAN MICHAEL J 2012 | — | INDIVIDUAL | 5 | $1.1M |
| JACKPOT MINERALS | — | INDIVIDUAL | 8 | $1.1M |
| KEL COD MINERAL INVESTMENTS | — | INDIVIDUAL | 10 | $1.0M |
| JACKSON LILLIAN O | — | INDIVIDUAL | 1 | $1.0M |
| PEELER SHANNON 2018 IRRV | — | INDIVIDUAL | 33 | $1.0M |
| J AND MEA | — | INDIVIDUAL | 14 | $1.0M |
| BOHL TRACEY A | — | INDIVIDUAL | 4 | $1.0M |
| STOCKSETH LEE L | — | INDIVIDUAL | 14 | $995K |
| RAYES PATRICK O | — | INDIVIDUAL | 11 | $966K |
| BLACKSTONE MINERALS | — | INDIVIDUAL | 12 | $941K |
| BLACKBRUSH O AND G | — | INDIVIDUAL | 3 | $930K |
| GUARDIAN ROYALTY | — | INDIVIDUAL | 7 | $914K |
| LSWT ENERGY | — | INDIVIDUAL | 2 | $900K |
| WHEELER LARRY | — | INDIVIDUAL | 5 | $857K |
| PEELER JASON BYRON | — | INDIVIDUAL | 35 | $853K |
| MARSHALL | — | INDIVIDUAL | 6 | $821K |
| MCS MINERALS AGMT DTD 6 14 99 | — | INDIVIDUAL | 4 | $819K |
| KAISER BILLY WAYNE JR | — | INDIVIDUAL | 15 | $783K |
| BUKOWSKI ROBIN RENEE TOM | — | INDIVIDUAL | 8 | $764K |
| JLOWE MINERALS | — | INDIVIDUAL | 1 | $759K |
| LAFREY PHYLLIS MAY | — | INDIVIDUAL | 15 | $737K |
| THOMPSON JIMMY LEE | — | INDIVIDUAL | 3 | $735K |
| HEFFERNAN GLENN AND CYNTHIA | — | INDIVIDUAL | 4 | $728K |
| ECCO MINERALS | — | INDIVIDUAL | 1 | $728K |
| MAY ROGER PHILIP | — | INDIVIDUAL | 11 | $725K |
| KENNEY RANCH MINERALS | — | INDIVIDUAL | 2 | $721K |
| RICKAWAY ENERGY | — | INDIVIDUAL | 9 | $708K |
| BRAZOS ELECTRIC POWER COOPERATIVE | — | INDIVIDUAL | 15 | $704K |
| HOUSE KURT D | — | INDIVIDUAL | 1 | $700K |
| JIMMIE BERTA HAESE FAMILY | — | INDIVIDUAL | 7 | $673K |
| MCS CHARITABLE FOUNDATION | — | INDIVIDUAL | 8 | $667K |
| ARROW S MINERALS | — | INDIVIDUAL | 1 | $656K |
| MCMAHON MARGARET B MARITAL B | — | INDIVIDUAL | 3 | $647K |
| PFLUGER LOIS L AND RALPH D ENTERPRISES | — | ENTITY | 2 | $634K |
| KELLER KATIE A SUB | — | INDIVIDUAL | 6 | $626K |
| KUHNEL BILLIE ALLEEN | — | INDIVIDUAL | 15 | $620K |
| JUPE EUGENE C FAMILY LIMITED | — | INDIVIDUAL | 6 | $613K |
| 902 | — | INDIVIDUAL | 4 | $596K |
