| 801 | McCauley George & Clara | New Lexington, OH 43764 | Oil Operator | Dec 2018 |
| 802 | McClain Oil Co | Granville, OH 43023 | Oil & Gas Operator | Dec 1988 |
| 803 | McCort Brian L | Malaga, OH 43757 | Oil & Gas Operator | Dec 2018 |
| 804 | McDonald Dale E | Frazeysburg, OH 43822 | Oil & Gas Operator | Dec 2018 |
| 805 | McGonagill J W | MT Gilead, OH 43338 | Oil Operator | Dec 1984 |
| 806 | McKee Don Drill Co Inc | Newark, OH 43058 | Oil & Gas Operator | Dec 2012 |
| 807 | McKenna Jerry | West Lafayette, OH 43845 | Oil & Gas Operator | Dec 2018 |
| 808 | McQueen Kevin L | Newark, OH 43055 | Oil Operator | Dec 2017 |
| 809 | Megas Corp | North Ridgevill, OH 44039 | Oil & Gas Operator | Dec 1984 |
| 810 | Melanie Oil Dril USA Inc | Millersburg, OH 44654 | Oil & Gas Operator | Dec 1989 |
| 811 | Mellenco Inc | Scottsdale, AZ 85253 | Oil & Gas Operator | Dec 1990 |
| 812 | Meridian Energy Company | Cambridge, OH 43725 | Oil & Gas Operator | Dec 2010 |
| 813 | Meridian Oil & Gas Enter | Blairsville, PA 15717-0337 | Oil & Gas Operator | Dec 2004 |
| 814 | Merrill Natural Res Inc | Woodsfield, OH 43793 | Oil & Gas Operator | Dec 1985 |
| 815 | Mescko Operating & Prod | Seville, OH 44273 | Oil & Gas Operator | Feb 2019 |
| 816 | Mescko Producing & Operating C | Burbank, OH 44214 | Oil & Gas Operator | Dec 2017 |
| 817 | Mesh LTD | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2018 |
| 818 | Metzger Francis A | Junction City, OH 43748 | Oil & Gas Operator | Dec 1999 |
| 819 | Metzgers Bob | Junction City, OH 43748 | Oil & Gas Operator | Dec 2017 |
| 820 | Meyer Richard C Inc | MT Gilead, OH 43338 | Oil & Gas Operator | Dec 1999 |
| 821 | Meyers Marsha L | Danville, OH 43014 | Oil & Gas Operator | Dec 2007 |
| 822 | MFC Drilling Inc | Coshocton, OH 43812 | Oil & Gas Operator | Dec 2018 |
| 823 | Mga Energy Inc | Corning, OH 43730 | Oil & Gas Operator | Dec 2018 |
| 824 | MGN Development Co | Belpre, OH 45714 | Oil & Gas Operator | Dec 2018 |
| 825 | Mich Geosearch/Eagle O&G | Wichita Falls, TX 76308-1061 | Oil & Gas Operator | Dec 2001 |
| 826 | Michigan Geosearch Inc | Reno, NV 89507 | Oil & Gas Operator | Mar 2018 |
| 827 | Mid Atlantic Oil Co | Hillsdale, MI 49242 | Oil & Gas Operator | Dec 2011 |
| 828 | Mid State Inc | Gallipolis, OH 45631 | Oil & Gas Operator | Dec 2018 |
| 829 | Mid-Con Petroleum Co Inc | Heath, OH 43056 | Oil & Gas Operator | Dec 2010 |
| 830 | Midcoast Resources Co | Tulsa, OK 74136 | Oil & Gas Operator | Dec 1992 |
| 831 | Midgard Energy Company | Dallas, TX 75201 | Oil & Gas Operator | Oct 2014 |
| 832 | Midland Oil Co | Brownsville, OH 43721 | Oil & Gas Operator | Dec 2000 |
| 833 | Midwest Exploration Inc | Villa Park, IL 60181 | Oil & Gas Operator | Dec 1990 |
| 834 | Midwest Oil & Gas | Columbus, OH 43220-1836 | Oil & Gas Operator | Dec 2012 |
| 835 | Mihalik Paul | Madison, OH 44057 | Oil & Gas Operator | Dec 2017 |
| 836 | Miley Gas Company | Sarahsville, OH 43779 | Gas Operator | Dec 2018 |
| 837 | Miley Oil Company | Sarahsville, OH 43779 | Oil Operator | Dec 2018 |
| 838 | Miller Oil & Gas | Dundee, OH 44624-9629 | Oil & Gas Operator | Dec 1998 |
| 839 | Miller Roy/R A Miller Energy L | Holmesville, OH 44633 | Oil & Gas Operator | Dec 2018 |
| 840 | Miller William P Jr | Zanesville, OH 43701 | Oil & Gas Operator | Dec 1997 |
| 841 | Milner Lake Energy LLC | Madison, OH 44057 | Oil & Gas Operator | Dec 2018 |
| 842 | Mitchell Energy Corp | Houston, TX 77002 | Oil & Gas Operator | Aug 2003 |
| 843 | Mke Producing Inc | Canton, OH 44735 | Oil & Gas Operator | Dec 2018 |
| 844 | Mobreal Oil Inc | Wilmington, DE 19808 | Oil & Gas Operator | Dec 1989 |
| 845 | Mohler Terry E & Suellen | Frazeysburg, OH 43822-9547 | Oil Operator | Dec 2018 |
| 846 | Monday Creek Resources LTD | Logan, OH 43138 | Oil Operator | Dec 2018 |
| 847 | Moore & Associates | Denver, CO 80202 | Oil & Gas Operator | Dec 1993 |
| 848 | Moore DRLG LLC | MT Vernon, OH 43050 | Oil Operator | Dec 2018 |
| 849 | Moore Michael | MT Vernon, OH 43050 | Oil & Gas Operator | Dec 2013 |
| 850 | Moore Resources LLC | Mogadore, OH 44260 | Oil & Gas Operator | Dec 2018 |
| 851 | Moore Well Services Inc | Mogadore, OH 44260 | Oil & Gas Operator | Dec 2018 |
| 852 | Moose Ridge Oil & Gas Co LLC | Woodsfield, OH 43793 | Oil & Gas Operator | Dec 2018 |
| 853 | Morain Coating & Construc | Niles, OH 44446 | Oil & Gas Operator | Dec 1997 |
| 854 | Moran Chad & Doug | Frazeysburg, OH 43822 | Oil Operator | Dec 2018 |
| 855 | Moran James R | Frazeysburg, OH 43822 | Oil Operator | Dec 2017 |
| 856 | Moran Phillip A | Gambier, OH 43022 | Oil & Gas Operator | Dec 2018 |
| 857 | Moran Ronald F | Frazeysburg, OH 43822 | Oil & Gas Operator | Dec 2018 |
| 858 | Moran Sherman Dean | Utica, OH 43080 | Oil & Gas Operator | Dec 2018 |
| 859 | Moran Well Service Inc. | Gambier, OH 43022 | Oil & Gas Operator | Dec 2018 |
| 860 | Moreland Oil & Gas Inc | Dennison, OH 44621 | Oil & Gas Operator | Dec 1990 |
| 861 | Morgan Pennington Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 1990 |
| 862 | Mormack Ind Inc | Orrville, OH 44667 | Oil & Gas Operator | Dec 2018 |
| 863 | Morrows Stoney Point Farm Inc | New Concord, OH 43762 | Oil & Gas Operator | Dec 2017 |
| 864 | Mossholder Drilling Co | Newark, OH 43055 | Oil Operator | Dec 1990 |
| 865 | Mossholder Linda Dba | Newark, OH 43055 | Oil & Gas Operator | Dec 2015 |
| 866 | Motz Robert | West Farmington, OH 44491 | Oil & Gas Operator | Dec 2014 |
| 867 | Mount Richard | Newark, OH 43055 | Oil Operator | Dec 2005 |
| 868 | Mountaineer State Operations L | Sandyville, WV 25275 | Oil & Gas Operator | Dec 2017 |
| 869 | Mourning James & Carol | Middleport, OH 45760-1214 | Gas Operator | Dec 2018 |
| 870 | Moxie Gas Company LLC | Hilton Head, SC 29926-1242 | Gas Operator | Dec 2018 |
| 871 | MS Producing LLC | Creston, OH 44217 | Oil & Gas Operator | Dec 2018 |
| 872 | Mullins Well Service | MT Gilead, OH 43338 | Oil & Gas Operator | Dec 2017 |
| 873 | Murphy Oil Company Inc | Lancaster, OH 43130 | Oil & Gas Operator | Dec 2018 |
| 874 | Murtha Contracting | Conneaut, OH 44030 | Oil & Gas Operator | Dec 2009 |
| 875 | Muskingum Valley Rod & Gun Clu | Coshocton, OH 43812 | Gas Operator | Dec 2018 |
| 876 | Mutual Oil & Gas Co | Akron, OH 44313 | Oil & Gas Operator | Dec 2017 |
| 877 | Myers Drilling Company | Barboursville, WV 25504 | Oil & Gas Operator | Dec 2018 |
| 878 | Myers Tom F | Lakeview, OH 43331 | Oil & Gas Operator | Dec 2018 |
| 879 | N & K Oil & Gas Inc | Marietta, OH 45750 | Oil & Gas Operator | Dec 1998 |
| 880 | N & N Oil | Somerset, OH 43783 | Oil & Gas Operator | Dec 2014 |
| 881 | N Eastern Oh O&G Exp Inc | Cleveland, OH 44106 | Oil & Gas Operator | Dec 1999 |
| 882 | National Energy Exp Inc | Newark, OH 43055 | Oil & Gas Operator | Dec 2018 |
| 883 | National Production Corp | Newark, OH 43055 | Oil & Gas Operator | Dec 1991 |
| 884 | Natland Energy Corp | New Philadelphi, OH 44663 | Oil & Gas Operator | Dec 1996 |
| 885 | NCL Natural Resources LLC | Spring, TX 77381-5261 | Oil & Gas Operator | Dec 2017 |
| 886 | Neff Investments LTD | S. Zanesville, OH 43702-1822 | Gas Operator | Dec 2018 |
| 887 | Nethers Brothers LLC | Newark, OH 43055 | Oil Operator | Dec 2018 |
| 888 | Nethers Gary L | Newark, OH 43055 | Oil & Gas Operator | Dec 2018 |
| 889 | Nethers Oil And Gas LLC | Newark, OH 43055 | Oil Operator | Dec 2018 |
| 890 | Newstar Energy USA Inc | Thornville, OH 43076 | Oil & Gas Operator | Dec 2003 |
| 891 | Ngo Development Corp. | Newark, OH 43058 | Oil & Gas Operator | Dec 2018 |
| 892 | Nieset Lawrence & Christopher | Helena, OH 43435 | Oil Operator | Dec 2018 |
| 893 | Nighthawk Holdings LLC | Millersburg, OH 44654 | Oil & Gas Operator | Dec 2018 |
| 894 | Noble Gas Co | Wooster, OH 44691 | Oil & Gas Operator | Dec 1997 |
| 895 | Noble Oil Corp | Columbus, OH 43229 | Oil & Gas Operator | Dec 1996 |
| 896 | Noble Petroleum LLC | Lower Salem, OH 45745-9648 | Oil & Gas Operator | Dec 2018 |
| 897 | Norshar Company Inc | Perry, OH 44081 | Oil & Gas Operator | Dec 2018 |
| 898 | North Amer Oil Exp Inc | Trenton, OH 45067 | Oil Operator | Dec 2017 |
| 899 | North Amer Petroleum Inc | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2000 |
| 900 | North American Petroleum Inc | Scottsdale, AZ 85262 | Oil & Gas Operator | Dec 2018 |