| KINNAMON DON | 15538 | STROUD | 0 | 0 |
| KINNEY HELEN A | 17086 | SPERRY | 0 | 0 |
| KINTA PUBLIC SCHOOLSActive | 15582 | KINTA | 1 | 1 |
| KINTA PUBLIC WORKSActive | 19834 | KINTA | 2 | 1 |
| KIOWA ENERGY CORPORATION | 15361 | OKLAHOMA CITY | 3 | 1 |
| KIRBY EXPLORATION COMPANY | 6144 | HOUSTON | 23 | 7 |
| KIRK BILLIE EActive | 1220 | MORRIS | 17 | 2 |
| KIRK DAVIDActive | 18141 | MIDLAND | 18 | 6 |
| KIRK ROBERT H REVOCABLE TRUST | 16959 | WICHITA | 0 | 0 |
| KIRK TANK TRUCKS INCActive | 16331 | MORRIS | 1 | 1 |
| KIRKLAND OIL COMPANY | 7025 | TULSA | 6 | 2 |
| KIRKPATRICK FARMS INC | 14887 | BYRON | 0 | 0 |
| KIRKPATRICK JOHN C | 6818 | TULSA | 0 | 0 |
| KIRKPATRICK KENNETH | 3955 | BURKBURNETT | 0 | 0 |
| KIRKPATRICK OIL COMPANY | 1222 | OKLAHOMA CITY | 25 | 9 |
| KIRKPATRICK OIL COMPANY INCActive | 19792 | OKLAHOMA CITY | 345 | 31 |
| KIRKPATRICK W E | 15319 | PONCA CITY | 3 | 1 |
| KIRRIE OIL COMPANY LLC | 20759 | OKLAHOMA CITY | 8 | 1 |
| KISKA OIL COMPANY | 1225 | TULSA | 63 | 9 |
| KISSEE JACK | 6133 | CLAREMORE | 0 | 0 |
| KIVA HOLDING, INC.Active | 24997 | LEEDEY | 1 | 1 |
| KIVETT KENNETH W | 15435 | BLACKWELL | 6 | 3 |
| KIWANDA ENERGY INC | 16733 | GARDEN CITY | 3 | 1 |
| KJA PETROLEUM CORPORATION | 13985 | OKLAHOMA CITY | 0 | 0 |
| KJB OIL COMPANY LLCActive | 22154 | DEWEY | 5 | 1 |
| KJR SERVICES LLC | 22617 | EDMOND | 0 | 0 |
| KLABZUBA BROTHERS LLC | 19808 | PRAGUE | 0 | 0 |
| KLABZUBA JOE J | 4500 | PRAGUE | 19 | 10 |
| KLABZUBA OIL & GAS INC | 20380 | FORT WORTH | 13 | 3 |
| KLABZUBA ROYALTY COMPANY | 16274 | PRAGUE | 14 | 4 |
| KLASSCO ENTERPRISES INC | 13391 | CHELSEA | 7 | 2 |
| KLBW PARTNERS, L.L.C.Active | 17874 | RATLIFF CITY | 30 | 2 |
| KLEEN OILFIELD SERVICES COActive | 18696 | VELMA | 0 | 0 |
| KLEEN OILFIELD SERVICES CO | 23298 | VELMA | 0 | 0 |
| KLEIN OIL COMPANY | 8827 | LAWTON | 1 | 1 |
| KLINGENSMITH FRED T ETAL | 6930 | SAPULPA | 8 | 1 |
| KLINGER ENERGY INC | 21787 | PONCA CITY | 2 | 1 |
| KLINGER SHIRLEYActive | 18985 | PONCA CITY | 5 | 1 |
| KLM OIL & GAS COMPANY | 17949 | TONGANOXIE | 2 | 1 |
| KLO LLC | 16112 | TULSA | 120 | 25 |
| KLOBERDANZ PAUL E | 2815 | OKLAHOMA CITY | 22 | 6 |
| KLOTZMAN M S EXPLORATION | 7071 | VICTORIA | 3 | 1 |
| KLOTZMAN M S EXPLORATION CO | 16978 | VICTORIA | 0 | 0 |
| KMT TEXAS PETROLEUM CORP | 12123 | DUNCAN | 5 | 3 |
| KMV CONSULTING INC | 21970 | WINSTON SALEM | 4 | 1 |
| KN PRODUCTION COMPANY | 15238 | LAKEWOOD | 2 | 2 |
| KNG PRODUCERS | 19909 | DUMAS | 0 | 0 |
| KNIFE OIL COMPANY INC | 5581 | CUSHING | 1 | 1 |
| KNIGHT CHARLES | 18828 | BROOTEN | 1 | 1 |
| KNIGHT DELBERT R | 3395 | STRATFORD | 0 | 0 |
| KNIGHT ENERGY INCActive | 24790 | TULSA | 24 | 1 |
| KNUTSON PRODUCTION COMPANYActive | 16924 | LOCO | 108 | 2 |
| KOBY OIL COMPANY LLCActive | 20976 | OKLAHOMA CITY | 57 | 9 |
| KOCH EXPLORATION COMPANY | 3539 | WICHITA | 2 | 2 |
| KOCH HYDROCARBON COMPANY | 9116 | WICHITA | 5 | 1 |
| KODA OPERATING LLCActive | 24242 | TYLER | 304 | 3 |
| KODIAK CONSTRUCTION & MGMT INC | 14407 | ABILENE | 1 | 1 |
| KODIAK OIL & GAS EXPLORATION INCActive | 24518 | OKLAHOMA CITY | 10 | 5 |
| KODIAK OIL & GAS INC | 21594 | ADDISON | 0 | 0 |
| KODIAK OIL & GAS INCActive | 23226 | MUENSTER | 0 | 0 |
| KODIAK OIL AND GAS LLC | 21882 | ADDISON | 1 | 1 |
| KOEHLER HAROLD E | 18544 | CEMENT | 0 | 0 |
| KOEHLER ROSE DBA R & H PRODUCTIONActive | 18177 | CEMENT | 9 | 1 |
| KOEHN PUMPING LLC | 20812 | ALINE | 0 | 0 |
| KOELSCH REX OR MARIE | 20935 | TULSA | 0 | 0 |
| KOFAHL JACK M | 5982 | OKLAHOMA CITY | 0 | 0 |
| KOLAR PETROLEUM INC | 17739 | OKLAHOMA CITY | 2 | 2 |
| KOLIBRI ENERGY US, INC.Active | 21948 | THOUSAND OAKS | 57 | 3 |
| KOONTZ LINDELL M | 4819 | SHAWNEE | 6 | 2 |
| KOPCO INCActive | 12827 | STILLWATER | 51 | 2 |
| KORTHALS HERMAN CActive | 22660 | CHOUTEAU | 2 | 1 |
| KORTHALS LOTTIE E | 17410 | CHOUTEAU | 0 | 0 |
| KOSCELNY JOHN J | 14739 | DELAWARE | 1 | 1 |
| KOSCELNY TOM | 6060 | DELAWARE | 0 | 0 |
| KOSTER F LEON | 12822 | SALINA | 0 | 0 |
| KOUPLEN STEVEActive | 19491 | BEGGS | 7 | 1 |
| KPL PRODUCTION COMPANY LLC | 12219 | OKLAHOMA CITY | 4 | 2 |
| KR OIL & GAS LLCActive | 25096 | SEMINOLE | 5 | 3 |
| KRAKER & LEWIS INC | 16964 | TULSA | 0 | 0 |
| KRAKER PETROLEUM CORPORATION | 10263 | TULSA | 6 | 3 |
| KREBBS BRUCE & DEBBIE | 17269 | PAWHUSKA | 0 | 0 |
| KREBBS JUSTIN | 21979 | PONCA CITY | 0 | 0 |
| KREPPS OIL PROPERTIES INC | 14740 | EDMOND | 0 | 0 |
| KREPPS OIL PROPERTIES INC | 6293 | EDMOND | 0 | 0 |
| KRISTLIN ENERGY CORP | 13128 | BLACKWELL | 2 | 1 |
| KROEGER KARL | 3100 | OKLAHOMA CITY | 0 | 0 |
| KROTZER OIL COMPANYActive | 15266 | CLEVELAND | 29 | 2 |
| KRS OIL COMPANY | 21276 | FRISCO | 0 | 0 |
| KRUMME OIL COMPANY LLPActive | 1235 | BRISTOW | 354 | 8 |
| KRUMME WESLEY J | 4859 | OKLAHOMA CITY | 7 | 1 |
| KSOK LLC | 23804 | NOWATA | 0 | 0 |
| KT ENERGY INC | 19422 | ENID | 4 | 4 |
| KT INVESTMENTS INCActive | 21559 | HENNESSEY | 2 | 2 |
| KTAPODALOS EXPL & DEV CO | 12684 | DALLAS | 3 | 1 |
| KTC OIL ENTERPRISES LLC | 21521 | DECATUR | 2 | 2 |
| KTP ENERGY INC | 16323 | LAKEWOOD | 4 | 1 |
| KTW OIL & GAS LLC | 22658 | TULSA | 7 | 2 |
| KUEHN STEPHEN H | 22668 | SOUTH COFFEYVILLE | 0 | 0 |
| KURAN RESOURCES INCActive | 22503 | WICHITA FALLS | 26 | 2 |
| KWB OIL PROPERTY MANAGEMENT INCActive | 1176 | TULSA | 90 | 24 |
| KY OIL CO | 10213 | DELAWARE | 0 | 0 |
| KYBENCO DISPOSALS LLCActive | 23518 | Lindsay | 9 | 3 |
| KYLER OIL COMPANY | 12303 | PAWHUSKA | 0 | 0 |
| KZ GLOBAL ENERGY LLC | 24889 | SUGARLAND | 0 | 0 |
| L & B OIL COMPANYActive | 20535 | HOUSTON | 9 | 1 |
| L & B OIL COMPANY, LLCActive | 25263 | HOUSTON | 8 | 1 |
| L & B PRODUCTION LLLPActive | 23192 | STROUD | 1 | 1 |
| L & F OIL COMPANY | 5694 | DUNCAN | 3 | 2 |
| L & F SERVICE COMPANY INC | 3655 | BLACKWELL | 0 | 0 |
| L & G PETROLEUM OPERATING LLC | 21407 | IOLA | 0 | 0 |
| L & H ENERGY INC | 21387 | BARTLESVILLE | 8 | 2 |
| L & L ENERGY | 14062 | CUSHING | 0 | 0 |
| L & L OILFIELD CONSULTANTS | 11989 | LEXINGTON | 0 | 0 |
| L & L PRODUCERSActive | 2737 | INDEPENDENCE | 39 | 2 |
| L & L PRODUCTION COMPANY | 19352 | VELMA | 0 | 0 |
| L & L SMITH ENERGY CORPORATION | 24137 | MUSKOGEE | 292 | 39 |
| L & M COMPANY | 8211 | CHICKASHA | 0 | 0 |
| L & M ENERGY LLC | 24338 | HEALDTON | 0 | 0 |
| L & M NATURAL RESOURCES INC | 14155 | TULSA | 0 | 0 |
| L & M OIL COMPANY | 4234 | DALLAS | 2 | 2 |
| L & M PRODUCTION INC | 19525 | DRUMRIGHT | 0 | 0 |
| L & P PRODUCTION CO | 13833 | PRAGUE | 3 | 1 |
| L & R ENERGY CORPORATION | 19444 | SPEARMAN | 0 | 0 |
| L & R OIL CO | 10394 | MOUNDS | 0 | 0 |
| L & R OIL FIELD SERVICE | 13048 | SKIATOOK | 0 | 0 |
| L & T DISPOSAL LLC | 22340 | WILSON | 1 | 1 |
| L & T OIL & GAS INC | 6774 | OKLAHOMA CITY | 8 | 2 |
| L & T OPERATING INC | 12705 | OKLAHOMA CITY | 0 | 0 |
| L & W OIL & GAS INC | 17698 | EDMOND | 1 | 1 |
| L B G OPERATING CO | 17459 | FAIRFAX | 0 | 0 |
| L C COMPANY | 22032 | NOWATA | 1 | 1 |
| L D & ASSOCIATES | 13144 | BROKEN ARROW | 2 | 1 |
| L D J ENERGY CORP | 10839 | SPERRY | 0 | 0 |
| L G W ENERGY RESOURCES INC | 13650 | KANSAS CITY | 0 | 0 |
| L H & M RESOURCES INC | 15062 | TULSA | 0 | 0 |
| L K PETROLEUM CORPORATION | 18900 | FORT WORTH | 1 | 1 |
| L M C & COMPANY | 14624 | DALLAS | 0 | 0 |
| L P ENERGY | 8524 | OKLAHOMA CITY | 0 | 0 |
| L R ENERGY INC | 22728 | DALLAS | 13 | 2 |
| L R EXPLORATION INC | 17229 | BEAUMONT | 1 | 1 |
| L R OPERATING | 18906 | SAPULPA | 0 | 0 |
| L X ENERGY INC | 12273 | NORMAN | 0 | 0 |
| L&L OIL COMPANY LLCActive | 8606 | COPAN | 18 | 2 |
| L.E. JONES OPERATING, INC.Active | 19169 | DUNCAN | 884 | 14 |
| L2 ENERGY SOLUTIONS LLCActive | 24668 | WOODWARD | 2 | 1 |
| LA FEE OIL LLCActive | 23377 | Duncan | 13 | 2 |
| LA VETA OIL AND GAS LLC | 20083 | CHICAGO | 0 | 0 |
| LABO OIL COMPANY INCActive | 19402 | DRUMRIGHT | 16 | 1 |
| LACKEY DANNY | 18749 | KIEFER | 3 | 1 |
| LACKEY JAMES R | 12360 | STILLWATER | 0 | 0 |
| LACKEY RAYMOND R | 4299 | LINDSAY | 1 | 1 |
| LACKEY RAYMOND R & ASSOCActive | 18471 | SULPHUR | 31 | 4 |
| LACKEY WM OIL & GAS OPER CO | 15008 | SHAWNEE | 5 | 2 |
| LACLEDE GAS COMPANY | 7336 | ST LOUIS | 0 | 0 |
| LADD LLCActive | 22087 | EL RENO | 4 | 2 |
| LADD PETROLEUM CORPORATION | 4153 | DENVER | 109 | 19 |
| LADDER ENERGY COMPANY | 15743 | TULSA | 88 | 7 |
| LAGOON SWD LLC | 24025 | OKLAHOMA CITY | 0 | 0 |
| LAGOON WATER LOGISTICS LLCActive | 24110 | OKLAHOMA CITY | 27 | 8 |
| LAGUNA PETROLEUM CORPORATION | 7441 | HOUSTON | 12 | 6 |
| LAHOMA OIL & GAS INC | 11087 | BROKEN ARROW | 3 | 2 |
| LAHOMA PRODUCTION INCActive | 14129 | JENKS | 9 | 4 |
| LAIRD ANITA LOUISEActive | 7607 | ASHER | 3 | 1 |
| LAIRD BILL OIL COMPANYActive | 4605 | ST LOUIS | 114 | 3 |
| LAKE COUNTRY DISPOSAL II LLCActive | 24253 | WILSON | 1 | 1 |
| LAKE COUNTRY DISPOSAL LLCActive | 23123 | ARDMORE | 1 | 1 |
| LAKE COUNTRY INVESTMENTS II LLC | 24806 | — | 0 | 0 |
| LAKE OIL COMPANY | 1247 | ADA | 0 | 0 |
| LAKE RONEL OIL COMPANY | 4507 | TYLER | 4 | 4 |
| LAKELAND OIL PRODUCERS | 12865 | CHELSEA | 4 | 2 |
| LAKELAND PETROLEUM CORPORATION | 19339 | GROVE | 0 | 0 |
| LAKELAND PIPELINE INC | 16188 | HOMINY | 86 | 9 |
| LAKESHORE OPERATING LLC | 23797 | IOLA | 3 | 1 |
| LAKEWOOD DISPOSAL LLC | 20917 | TULSA | 5 | 3 |
| LAKEWOOD OIL COMPANY LLC | 20854 | MISSION HILLS | 3 | 1 |
| LAKOTA OIL & GAS | 6154 | COMANCHE | 15 | 2 |
| LAM FINANCIAL HOLDINGS LTD | 17131 | GREENWOOD VILLAGE | 1 | 1 |
| LAMAMCO DRILLING COMPANYActive | 5815 | SKIATOOK | 39 | 12 |
| LAMAR WILLIAM E | 4441 | BARTLESVILLE | 0 | 0 |
| LAMB ALAN L | 3849 | OKLAHOMA CITY | 3 | 3 |
| LAMB WOODROW & MARY | 18896 | CLAREMORE | 1 | 1 |
| LAMBDIN WILLIAM H | 4658 | OKLAHOMA CITY | 2 | 2 |
| LAMBERSON DRILLING | 12559 | COWETA | 5 | 1 |
| LAMBERSON HARVEYActive | 19481 | COWETA | 1 | 1 |
| LAMBERT COMPANY LLCActive | 21900 | Ardmore | 33 | 3 |
| LAMBERT COMPANY THE | 16470 | HEALDTON | 0 | 0 |
| LAMBERT OIL & GAS LLCActive | 23892 | HOLDENVILLE | 2 | 1 |
| LAMBERTON OIL CO INC | 18084 | TULSA | 5 | 1 |
| LAMBERTON W J | 1253 | TULSA | 1 | 1 |
| LAMER PAUL INC | 15839 | NORMAN | 0 | 0 |
| LAMIMA CORPORATION | 10274 | ARDMORE | 22 | 8 |
| LAMKIN BROS OIL CO | 13192 | BIXBY | 3 | 2 |
| LAMKIN MARION E | 12061 | PRUE | 0 | 0 |
| LAML COMPAINES LLC | 22530 | CLEVELAND | 0 | 0 |
| LAMMERTS ROBERT P | 1254 | OKLAHOMA CITY | 6 | 3 |
| LANCE RUFFEL OIL & GAS LLCActive | 15459 | OKLAHOMA CITY | 229 | 12 |
| LANCER ENERGY CORPORATION | 6470 | OKLAHOMA CITY | 18 | 9 |
| LAND C M COMPANY | 17659 | TULSA | 4 | 2 |
| LAND FARMERS INC | 23279 | DOVER | 0 | 0 |
| LANDENERGY LLC | 22461 | TULSA | 0 | 0 |