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#3610MA-SI, INC.
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#3627MACFARLANE OIL CO., INC.
#3625MACHIN & ASSOCIATES, INC.
#M073MACK ENERGY CO.
#M317MACPET
#3631MADDOX OIL & GAS
#3632MADDOX OIL & GAS, INC.
#3633MADLYN HARRIS MUENCH
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#M013MAGNUM OIL COMPANY, INC.
#3645MAGNUM PRODUCING & OPERG CO
#M011MAGNUM PRODUCING, L.P.
#M283MAGNUM-TONTINE
#3721MAGUIRE OIL COMPANY
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#3673MALLARD DRILLING-DE KAY
#3677MALLARD DRLG & CENTRAL OIL CO
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#M265MALLARD OPERATING LLC
#M1016MALLARD PETROLEUM, INC.
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#3678MALONE OIL & GAS EXPLORATION, INC.
#M043MALONE-KILLEN OIL EXPL. CO.
#3669MANCHESTER-ROBINSON EXPL.
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#M186MANDINA & MURPHY OIL COMPANY
#3691MANN PRODUCTION CO., INC.
#6658MANNA MINERALS, INC.
#3717MANNON L. WALTERS, INC.
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#M342MANTI OPERATING COMPANY
#M181MANTLE OIL & GAS, LLC
#M331MANURSING ISLAND PROD. CORP.
#3754MANY WELL SERVICE
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#M071MAP DRILLING COMPANY
#3671MAP OIL CO.
#3684MAPCO OIL & GAS COMPANY
#3706MAR SERVICE, INC.
#3697MAR-LOW CORPORATION
#3749MARATHON CORPORATION
#3719MARATHON OIL COMPANY
#3688MARC DUPUY, JR.
#D091MARINE CONT. & SUPPLY INC.
#3687MARINE DRILLING INC
#M220MARINE PROPERTIES, INC.
#3693MARINER ENERGY, INC
#M308MARION CORPORATION
#3695MARION OIL CO., INC.
#M037MARITECH RESOURCES, INC.
#M248MARITZKY AND BIBBY
#3698MARJO, INC.
#2917MARK BRYANT
#B078MARK F PREDDY & ASSOCIATES,INC
#4882MARK F. PREDDY & ASSOCIATES
#4881MARK L SHIDLER, INC.
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#3701MARK PRODUCING, INC.
#3702MARK SEIFER
#M4321MARK V PETROLEUM COMPANY
#M177MARK'G & MGMT CONSULTANTS, INC
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#M115MARKHAM ENTERPRISES INC
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#M354MARLAN ANDERSON
#2804MARLIN AND DAVIS
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#M298MARLIN ENERGY RESOURCES, LLC
#M364MARLIN EXPL.,INC&EXCHG O&G CO
#3736MARLIN EXPL.INC&A.G.HOOPER JR
#3737MARLIN EXPLORATION, INC.
#3734MARLIN EXPLORATION, INC. ET AL
#3735MARLIN EXPLORATION, LLC
#M322MARLIN ONSHORE I, L.L.C.
#M339MARLIN RESOURCES, L.L.C.
#M318MARLIN WELL TESTERS, INC.
#M053MARLINE OIL CORPORATION
#3747MARLINE PETROLEUM CORPORATION
#3748MARMATON OIL COMPANY
#3755MAROSKI, INC.
#3772MARQUEE CORPORATION
#M038MARQUIS RESOURCES, LLC
#M4362MARR & FORGOTSON
#3766MARRERO 1 OPERATING COMMITTEE
#M241MARSH ENGINEERING, INC.
#3775MARSHALL & MCCAIN
#3782MARSHALL EXPLORATION CO., INC.
#3783MARSHALL EXPLORATION, INC.
#3784MARSHALL PETROLEUM, INC.
#3778MARSHALL PROD. & ENERGY INC.
#M029MARSHALL R. YOUNG DRILLING COMPANY
#M385MARTEX OPERATING, LLC
#M365MARTIN EXPLORATION CO.
#3802MARTIN EXPLORATION CORP.
#3803MARTIN OIL & GAS CO.
#3801MARTIN OIL CO.
#3799MARTIN OPERATING PARTNERSHIP L.P.
#M1120MARTIN PRODUCTION COMPANY
#M170MARTIN UNDERGROUND STORAGE, INC.
#M101MARTIN-MARKS EXPLORATION, LLC
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#M266MARTINEAU PETROLEUM, INCORPORATED
#M313MARVIN SPIGENER
#S044MARY LOVE KIDD
#K026MASON & BATES OIL CORPORATION
#3811MASON AND DEWITT
#3812MASS RESOURCES, INC.
#M180MASTER WELL WORKS, INC.
#3826MASTERS RESOURCES, L.L.C.
#M222MATADOR OPERATING COMPANY
#M164MATADOR PRODUCTION COMPANY
#M289MATAGORDA PRODUCTION COMPANY
#3815MATRIX OIL & GAS, INC.
#M153MATSONIA OIL CO
#M382MATT V. MILAM, HELEN L. BRYNES
#4130MATTHEWS OPERATING CO., INC.
#3820MATZINGER & BELL INC-CARL O&G
#3828MATZINGER & BELL, INC.
#3831MATZINGER PETROLEUM CO.
#3818MAURINE B. PYLE
#4897MAVERICK OIL CO.
#3832MAVERICK OIL CORP.
#4000MAVERICK PRODUCERS, INC.
#M018MAX MURRAY
#4051MAX PRAY
#P058MAXEL SMITH
#S090MAXIMUS OPERATING, LTD.
#M304MAXUM ENERGY CORPORATION
#M146MAXUS EXPLORATION COMPANY
#4040MAY PETROLEUM, INC.
#3837MAY-ROSS ENTERPRISES, INC.
#3850MAYBRIER BROTHERS
#3840MAYBRIER PRODUCTION, L.L.C.
#M358MAYFIELD DRLG. CORP.
#3841MAYFIELD DRLG.CORP.OF LA.INC
#3843MAYNARD OIL COMPANY
#3861MAYNE & MERTZ, INC.
#M196MAYO, INC.
#3863MBM PARTNERSHIP
#3608MC GAS CO.
#M075MCALESTER FUEL COMPANY
#3866MCBRAYER OIL CORPORATION
#3868MCCAIN & JACKSON
#3883MCCANNALD OIL COMPANY
#M228MCCARTER-GREENBRIER-MACDONALD
#3891MCCLINTON & 4-M INVEST INC
#3922MCCLINTON & MOSING
#3916MCCLINTON & ROBERTS
#3930MCCLINTON SERVICES INC.
#M099MCCLYMOND, LTD.
#M315MCCONATHY & ASSOCIATES
#3898MCCONATHY PRODUCTION CO.,INC.
#3897MCCONNELL OIL AND GAS, LLC
#M1110MCCORD EXPLORATION CO.
#3926MCCORD OIL CO. AND T. WALKER
#3913MCCORD-DALE EXPLORATION
#3881MCCORD-GOODRICH OIL COMPANY
#3927MCCORMICK OPERATING COMPANY
#3917MCCORMICK OPERATING PRTNSHP
#3943MCCORMICK PROD. CO.
#3872MCCORMICK PRODUCTION COMPANY, INC.
#M335MCCORMICK-BINTLIFF
#3921MCCORMICK-BINTLIFF-PETTIT
#3918MCCORMICK-CIROCO, INC.
#3919MCCORMICK-LEA
#3907MCCORMICK-SUN-E&P
#3925MCCORMICK-TERRA-BINTLIFF
#3920MCCULLOCH OIL CORP.-IDS
#3931MCCULLOCH OIL CORPORATION
#3936MCD PRODUCTION, L.L.C.
#M290MCDANIEL PETROLEUM COMPANY, L.L.C.
#M7725MCDANNALD OIL COMPANY
#M355MCDONALD MARKETING & OPERG. CO
#3929MCDOWELL AND COOK, INC.
#3932MCELROY DRILLING CO
#3941MCELROY DRILLING CO., INC.
#3942MCFARLANE OIL CO., INC.
#3949MCFARLANE OIL COMPANY
#3948MCGOLDRICK & WATSON
#3969MCGOLDRICK & WATSON - ALAGOOD
#3967MCGOLDRICK & WATSON DRLG., CO.
#3965MCGOLDRICK & WATSON-WALKER
#3971MCGOLDRICK & WATSON, ET AL
#3970MCGOLDRICK OIL CO.
#3962MCGOWAN WORKING PARTNERS
#M059MCGOWAN WORKING PARTNERS, INC.
#M259MCILHENNY-POWELL OPERATING CO
#3989MCINTYRE OIL COMPANY
#3992MCKEE ENERGY COMPANY
#M089MCKENZIE PETROLEUM COMPANY
#4006MCKENZIE PRODUCTION COMPANY
#4007MCLAIN J. FORMAN
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#M166MCMANUS & EDWARDS
#M276MCMORAN EXPLORATION COMPANY
#4008MCMORAN OIL & GAS CO.
#M130MCMORAN OIL & GAS LLC
#M224MCMORAN PRODUCTION CO.
#4010MCMORAN-TRANSCO
#4018MCOR OIL & GAS CORPORATION
#3638MCOR OIL DEVELOPMENT, INC.
#3637MCRAE EXP. INC., DILLON
#4024MCRAE EXPL.-GRAVEL & TROEGEL
#4020MCRAE EXPLORATION & PRODUCTION, INC.
#M135MCRAE EXPLORATION, INC.
#4017MCRAE OIL CORPORATION
#4025MCZ, INC.
#3619MEASON OPERATING CO.
#4022MECOM PETROLEUMS
#M156MEDALIST EXPL & R. H. ENERGY
#4036MEDALLION PETROLEUM, INC.
#M033MEDALLION PRODUCTION COMPANY
#M080MEDCO ENERGI US LLC
#M309MEDDERS OIL COMPANY
#4070MELREN OIL & GAS EXPL., INC.
#4083MEMACA PETROLEUM CORPORATION
#4079MEMCO EXPLORATION & PRODUCTION, LLC
#M362MEMORIAL EXPLORATION COMPANY
#3955MENG OPER. & EXPL. CO.
#4091MENOAH PETROLEUM INC
#4033MEPCO
#M006MERIDIAN OIL INC.
#4087MERIDIAN OIL OFFSHORE INC.
#M134MERIDIAN RESOURCES (USA) INC.
#M325MERIT ENERGY COMPANY
#M171MERIT GAS & OIL CO., INC.
#4094MERL WIGGINS ET AL
#6468MERLIN J VERRET
#6181MERMENTAU RESOURCES, INC.
#M324MERRITT OPERATING, INC.
#M165MERTZ ENERGY LLC
#M368MESA GULF COAST LLC
#M357MESA OPERATING LTD PARTNERSHIP
#4035MESA PETROLEUM CO.
#4093MESCALERO ENERGY, INC.
#M150METAIRIE ENERGY COMPANY, INC.
#M215METTZ & CARMODY
#4098METTZ,CARMODY & FOSTER OIL CO
#4099MEYER BARTON
#0445MEYERS-LASHER, INC.
#4103MHT OPER CO
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#4107MICHAEL BURTON
#B089MICHEL T. HALBOUTY
#2314MICHEL T. HALBOUTY ENERGY CO.
#2315MICHIGAN WISCONSIN PIPELINE CO
#4108MICRON MINERALS COMPANY
#4105MID AMER GREAT PLAINS FIN CORP
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#4113MID FIELD OIL CO.
#4112MID LOUISIANA GAS COMPANY
#4114MID SOUTH OIL & GAS EXPL INC
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#M246MID-CON ENERGY OPERATING, LLC
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#M234MID-CONTINENT ENERGY, INC.
#M055MID-NATIONAL RESOURCES INC.
#M118MID-SOUTH DRLG OF JACKSON INC.
#M088MID-SOUTH TRADING, INC.
#M158MIDAS EXPLORATION INC
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#M032MIDDLE BAY PRODUCTION CO. INC.
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#M110MIDEAST GAS SYSTEMS, INC.
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#4124MIKE BONNER
#2646MIKE REVERE
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#4135MILES & JAMES
#4137MILES OIL & GAS CO.
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#1901MILTON J. BERNOS, JR.
#0523MILTON OIL & GAS MANAGEMENT
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#4149MINERAL EQUIPMENT CO INC.
#M120MINERAL RECOVERY CORP.
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#M192MINEREX ENGINEERING CORP.
#M136MINN.RESOURCES PRODUCING CORP.
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#M122MISS CHUB LLC
#M312MISS L FEAZEL & MRS.G ANDERSON
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#M264MISSISSIPPI RIVER TRANSM. CORP
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#4190MITCHELL ENERGY COMPANY L.P.
#M257MITCHELL ENERGY CORPORATION
#4185MITCHELL-MARTIN
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#M209MLGW
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#4195MOBLEY OIL COMPANY, INC.
#4202MOBLEY-SULPETRO-PAR
#4197MOCO OPERATING COMPANY
#M111MONARCH ROYALTY, INC.
#4207MONCLA WELL SERVICE, INC.
#M261MONEXCO, INC.
#M235MONGRUE OIL COMPANY, INC.
#4215MONLA GAS CO. ET AL
#4212MONLA GAS CO., INC.
#4214MONRICH OIL & GAS, INC.
#4213MONROE GAS & BARRONS RESOURCES
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#4217MONROE GELLER & IRVING LOBEL
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#4220MONROE WELL SER-AMSTERDAM
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#4153MONROE WELL SERV-NORTHERN LA
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#4171MONROE WELL SERVICE-YORK
#4238MONSANTO AG PRODUCTS CO.
#4165MONSANTO OIL COMPANY
#4219MONTAGUE OIL CO
#M240MONTE CARLO EXPLORATION INC.
#4226MONTEREY OIL CO.
#M223MOON OPERATING, INC.
#M129MOON-HINES-TIGRETT OPR CO INC
#4278MOORE MCCORMACK ENERGY, INC.
#4255MOORE-MCCORMICK ENERGY
#4253MOORE'S GAS WELL SERVICE CO.
#4201MOORE&MUNGER HYDROCARBONS INC
#4254MOORINGSPORT ENERGY PROD CORP
#4261MOORINGSPORT GAS PROD.ASSOC.
#4263MOR-CO INVESTMENTS, INC.
#4041MORAN EXPLORATION, INC.
#4279MORAN OIL CO., INC.
#4282MORANSCO ENERGY CORPORATION
#M191MORGAN AND FISH
#M366MORGAN BROTHERS
#4285MORGAN ENTERPRISES
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#4296MORRIS & BURK GCV ET AL
#4295MORRIS & DICKSON, LTD.
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#M350MOSBACHER ENERGY COMPANY
#4322MOSBACHER PROD CO-TRANSCO EXPL
#4321MOSBACHER-TRANSCO-C&K
#4331MOSBACHER, HURT & BENIN OIL CO
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#4335MOSES AND NEW
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#J019MRS K E MOHON
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#5225MRS. W. B. HAILE, JR.
#H013MRT EXPLORATION CO
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#M210MTS LIMITED PARTNERSHIP
#3646MTZ OPERATING LLC
#M8466MUDBUG OIL, INC.
#M082MULLEN EX. INC./HUBCO EX. INC.
#3995MULLEN EXPLORATION INC
#4044MULLEN EXPO-BRADDEX OIL & GAS
#M015MULLINS & PRICHARD
#4359MUNOCO COMPANY
#4347MUNOCO COMPANY L.C.
#M185MURCO DRILLING CORPORATION
#4360MUREXCO PETROLEUM, INC.
#4350MURPHREY OIL CO
#4351MURPHREY OIL COMPANY, INC.
#M7343MURPHY - SUN
#4358MURPHY CORPORATION
#M351MURPHY EXP & PROD CO.-USA
#M291MURPHY EXPLORATION & PROD. CO.
#M091MURPHY OIL USA, INC.
#4353MUSLOW AND PARKER
#4376MUSLOW OIL CO.
#M280MUSLOW OIL INDUSTRIES
#6763MUSTAD RESOURCES
#4394MUSTANG ENERGY L C
#M104MUTTONTOWN OIL COMPANY INC.
#4396MVM RESOURCES LOUISIANA L.L.C.
#M1090MVP PRODUCTION INC.
#6873MW PETROLEUM CORPORATION
#M067MYERS AND JENKINS
#M114