AGENCIES AND ASSOCIATIONS

• American Association of Petroleum Geologists
• American Association of Professional Landmen
• Independent Petroleum Association of America
• Louisiana Oil & Gas Association
• National Association of Division Order Analysts
• National Association of Lease and Title Analysts
• Oklahoma Energy Resources Board 
• Oklahoma Geological Survey
• Oklahoma Independent Petroleum Association

REGULATORY INFORMATION

• Arkansas Oil and Gas Commission
  
• CLO—School Land Trust of Oklahoma
• Kansas Corporation Commission
• Louisiana Office of Conservation
• New Mexico Oil Conservation Division
• Oklahoma Corporation Commission
• Oklahoma Tax Commission
• Texas General Land Office
• Texas Railroad Commission

OIL AND GAS INDUSTRY RECORDS AND DATA

• Drillinginfo
• oilBay
• Oil-Law Records
• Pangaea

MISCELLANEOUS

• Corporate Name Changes and Mergers
  Deaths and Other Historical Records
• PublicData
• Public Records Online
• Oklahoma Listing of Counties