| 1901 | MCMANUS | Gonzales County, TX | Oil & Gas Property | Jan 2025 |
| 1902 | MCMANUS | Irion County, TX | Oil & Gas Property | Jan 2025 |
| 1903 | MCMASTER | Nolan County, TX | Oil & Gas Property | Jan 2025 |
| 1904 | MCMASTER | Reagan County, TX | Oil & Gas Property | Jan 2025 |
| 1905 | MCMASTERS MYRTLE | Reagan County, TX | Oil & Gas Property | Dec 2024 |
| 1906 | MCMEANS | Stonewall County, TX | Oil & Gas Property | Jan 2025 |
| 1907 | MCMEANS W. G. OPERATING AREA | Kent County, TX | Oil & Gas Property | Jan 2022 |
| 1908 | MCMEANS, WALTER G OPE | Kent County, TX | Oil Property | Jan 2022 |
| 1909 | MCMEEN | Stephens County, TX | Oil & Gas Property | Apr 2021 |
| 1910 | MCMENAMY | Johnson County, TX | Gas Property | Jul 2019 |
| 1911 | MCMENAMY | Lubbock County, TX | Oil & Gas Property | Jan 2025 |
| 1912 | MCMICHAEL | Freestone County, TX | Oil & Gas Property | Jan 2025 |
| 1913 | MCMICHAEL | Freestone County, TX | Oil & Gas Property | Jan 2025 |
| 1914 | MCMICHAEL | Hardeman County, TX | Oil & Gas Property | Jan 2025 |
| 1915 | MCMICHAEL OMA GAS UNIT | Freestone County, TX | Oil & Gas Property | Jan 2025 |
| 1916 | MCMILLAN | Sutton County, TX | Oil & Gas Property | Jan 2025 |
| 1917 | MCMILLAN | Jack County, TX | Oil & Gas Property | Nov 2023 |
| 1918 | MCMILLAN | Mitchell County, TX | Oil & Gas Property | Jan 2025 |
| 1919 | MCMILLAN | Scurry County, TX | Oil & Gas Property | Jan 2025 |
| 1920 | MCMILLIAN | Sutton County, TX | Oil & Gas Property | Jan 2025 |
| 1921 | MCMILLIAN | Fort Bend County, TX | Oil & Gas Property | Jan 2025 |
| 1922 | MCMILLIN | Stonewall County, TX | Oil & Gas Property | Jan 2025 |
| 1923 | MCMILLIN (CANYON SAND) UNIT | Stonewall County, TX | Oil & Gas Property | Jan 2025 |
| 1924 | MCMILLON | Taylor County, TX | Oil & Gas Property | Jan 2025 |
| 1925 | MCMORDIE | Roberts County, TX | Oil & Gas Property | Jan 2025 |
| 1926 | MCMORDIE | Roberts County, TX | Oil & Gas Property | Jan 2025 |
| 1927 | MCMORRIES | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 1928 | MCMORRIES | Martin County, TX | Oil & Gas Property | Feb 2022 |
| 1929 | MCMORRIES 1 | Glasscock County, TX | Oil & Gas Property | Jan 2025 |
| 1930 | MCMOYLE UNIT 1 | Smith County, TX | Oil & Gas Property | Jan 2025 |
| 1931 | MCMULLAN | Crockett County, TX | Oil & Gas Property | Jan 2025 |
| 1932 | MCMULLAN | Crockett County, TX | Oil & Gas Property | Oct 2014 |
| 1933 | MCMULLAN ALLEANE FRIEND | Crockett County, TX | Oil & Gas Property | Jan 2025 |
| 1934 | MCMULLEN | Crockett County, TX | Oil & Gas Property | Jan 2025 |
| 1935 | MCMULLEN | Crockett County, TX | Oil & Gas Property | Jan 2025 |
| 1936 | MCMULLEN 37 | Crockett County, TX | Oil & Gas Property | Jan 2025 |
| 1937 | MCMULLEN GU | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 1938 | MCMULLEN, L. A | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 1939 | MCMULLIN | Hill County, TX | Gas Property | Jan 2025 |
| 1940 | MCMURPHY | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 1941 | MCMURRAY | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 1942 | MCMURRAY | Martin County, TX | Oil & Gas Property | Dec 2024 |
| 1943 | MCMURREY | Palo Pinto County, TX | Oil & Gas Property | Jan 2025 |
| 1944 | MCMURREY | Denton County, TX | Oil & Gas Property | Jan 2025 |
| 1945 | MCMURREY | Gregg County, TX | Oil & Gas Property | Jan 2025 |
| 1946 | MCMURREY | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 1947 | MCMURREY M. H. D | Palo Pinto County, TX | Oil & Gas Property | Jan 2025 |
| 1948 | MCMURREY RANCH | Palo Pinto County, TX | Oil & Gas Property | Jan 2024 |
| 1949 | MCMURREY-STATE UNIT | Leon County, TX | Oil & Gas Property | Jan 2025 |
| 1950 | MCMURRY | Moore County, TX | Oil & Gas Property | Jan 2025 |
| 1951 | MCMURRY | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 1952 | MCMURRY | Nueces County, TX | Oil & Gas Property | Jan 2025 |
| 1953 | MCMURRY | Johnson County, TX | Gas Property | Jan 2025 |
| 1954 | MCMURTREY | Concho County, TX | Oil & Gas Property | Aug 2024 |
| 1955 | MCMURTRY | Liberty County, TX | Gas Property | Jan 2025 |
| 1956 | MCMURTRY | Pecos County, TX | Oil & Gas Property | Jan 2025 |
| 1957 | MCMURTRY C.A | Young County, TX | Oil & Gas Property | Dec 2024 |
| 1958 | MCMURTRY CORA | Young County, TX | Oil & Gas Property | Jul 2022 |
| 1959 | MCNABB | Hardeman County, TX | Oil & Gas Property | Feb 2017 |
| 1960 | MCNABB | Hardeman County, TX | Oil Property | Jun 2020 |
| 1961 | MCNABB E. L | Stephens County, TX | Oil & Gas Property | Jan 2025 |
| 1962 | MCNABB, L. A., MRS., ETAL | Montague County, TX | Oil & Gas Property | Dec 2024 |
| 1963 | MCNAIR | Burleson County, TX | Oil & Gas Property | Dec 2024 |
| 1964 | MCNAMARA | Hardin County, TX | Oil & Gas Property | Jan 2025 |
| 1965 | MCNEE P. J | Panola County, TX | Oil & Gas Property | Jan 2025 |
| 1966 | MCNEEL W. W. JR | Caldwell County, TX | Oil & Gas Property | Sep 2024 |
| 1967 | MCNEELEY | Shelby County, TX | Oil & Gas Property | Jan 2025 |
| 1968 | MCNEELY | Johnson County, TX | Gas Property | Jan 2025 |
| 1969 | MCNEESE A. G | Burleson County, TX | Oil & Gas Property | Dec 2024 |
| 1970 | MCNEIL | Live Oak County, TX | Oil & Gas Property | Nov 2024 |
| 1971 | MCNEIL | Reeves County, TX | Oil & Gas Property | Sep 2024 |
| 1972 | MCNEILL | Montague County, TX | Oil & Gas Property | Jan 2025 |
| 1973 | MCNEILL | Young County, TX | Oil & Gas Property | Jan 2025 |
| 1974 | MCNEILL | Johnson County, TX | Gas Property | Mar 2019 |
| 1975 | MCNEILL | Runnels County, TX | Oil & Gas Property | Jan 2025 |
| 1976 | MCNEILL | Galveston County, TX | Oil & Gas Property | Jan 2025 |
| 1977 | MCNEILL | Live Oak County, TX | Oil & Gas Property | Jan 2025 |
| 1978 | MCNEILL | Live Oak County, TX | Oil & Gas Property | Mar 2024 |
| 1979 | MCNEILL | Andrews County, TX | Oil & Gas Property | Jan 2025 |
| 1980 | MCNEILL GAS UNIT | Live Oak County, TX | Oil & Gas Property | Jan 2025 |
| 1981 | MCNEILL NORTHEAST | Live Oak County, TX | Oil & Gas Property | Jan 2025 |
| 1982 | MCNEILL RANCH | Gaines County, TX | Oil & Gas Property | Jan 2025 |
| 1983 | MCNEW | Howard County, TX | Oil & Gas Property | Jan 2017 |
| 1984 | MCNEW | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 1985 | MCNEW | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 1986 | MCNIECE | Taylor County, TX | Oil & Gas Property | Apr 2017 |
| 1987 | MCNURLEN | Brown County, TX | Gas Property | Dec 2022 |
| 1988 | MCNURLEN,PLEZ& KIRKPATRICK,E.E | Brown County, TX | Gas Property | May 2016 |
| 1989 | MCNUTT | Hutchinson County, TX | Oil & Gas Property | Jan 2025 |
| 1990 | MCPEEK GERTRUDE | Denton County, TX | Oil & Gas Property | Jan 2025 |
| 1991 | MCPHAIL GAS UNIT 1H | Harrison County, TX | Oil & Gas Property | Dec 2024 |
| 1992 | MCPHAUL | Howard County, TX | Oil & Gas Property | Dec 2024 |
| 1993 | MCPHAUL D. P | Mitchell County, TX | Oil & Gas Property | Jan 2025 |
| 1994 | MCPHEARSON J. F | Van Zandt County, TX | Oil & Gas Property | Jan 2025 |
| 1995 | MCPHERSON | Denton County, TX | Gas Property | Jan 2025 |
| 1996 | MCPHERSON | Gregg County, TX | Oil & Gas Property | Jan 2025 |
| 1997 | MCPHERSON | Crane County, TX | Oil & Gas Property | Jan 2025 |
| 1998 | MCPHERSON | Hill County, TX | Oil & Gas Property | Jan 2025 |
| 1999 | MCQUATTERS | Andrews County, TX | Oil & Gas Property | Jan 2025 |
| 2000 | MCQUEEN GLORIA | Harrison County, TX | Oil & Gas Property | Dec 2024 |