Representative Clients: Abercrombie Energy; ACE U.S.A.; BP America Production Co.; Brotherhood Mutual; BTA Oil Producers; Burlington Insurance Company; Chesapeake Operating Co.; Columbia Insurance Group; Elysium Energy LLC; Ensign Operating Co.; Fairbank Equipment Company; General Motors Corp.; Gould Oil, Inc.; Harris Oil and Gas Company; J. Fred Hambright, Inc.; JayCat, Inc.; Lario Oil & Gas Co.; Lloyd's London; Messenger Petroleum, Inc.; Mid-Continent Casualty Company; PACCAR; Patterson Racing; PetroSantander (USA) Inc.; Pickrell Drilling Company; Presco Western LLC; State Farm Fire Casualty & Co.; Sedgwick County; State Farm Mutual Automobile Ins. Co.; Stelbar Oil Corporation; Stratitec, Inc.; The Bar Plan; Threshold Development Co.; United Fire & Casualty; Wilshire Ins. Co.; Woolsey Petroleum Co.; XTO Energy.

Representative Clients: Abercrombie Energy; ACE U.S.A.; BP America Production Co.; Brotherhood Mutual; BTA Oil Producers; Burlington Insurance Company; Chesapeake Operating Co.; Columbia Insurance Group; Elysium Energy LLC; Ensign Operating Co.; Fairbank Equipment Company; General Motors Corp.; Gould Oil, Inc.; Harris Oil and Gas Company; J. Fred Hambright, Inc.; JayCat, Inc.; Lario Oil & Gas Co.; Lloyd's London; Messenger Petroleum, Inc.; Mid-Continent Casualty Company; PACCAR; Patterson Racing; PetroSantander (USA) Inc.; Pickrell Drilling Company; Presco Western LLC; State Farm Fire Casualty & Co.; Sedgwick County; State Farm Mutual Automobile Ins. Co.; Stelbar Oil Corporation; Stratitec, Inc.; The Bar Plan; Threshold Development Co.; United Fire & Casualty; Wilshire Ins. Co.; Woolsey Petroleum Co.; XTO Energy.

Representative Clients: Abercrombie Energy; ACE U.S.A.; BP America Production Co.; Brotherhood Mutual; BTA Oil Producers; Burlington Insurance Company; Chesapeake Operating Co.; Columbia Insurance Group; Elysium Energy LLC; Ensign Operating Co.; Fairbank Equipment Company; General Motors Corp.; Gould Oil, Inc.; Harris Oil and Gas Company; J. Fred Hambright, Inc.; JayCat, Inc.; Lario Oil & Gas Co.; Lloyd's London; Messenger Petroleum, Inc.; Mid-Continent Casualty Company; PACCAR; Patterson Racing; PetroSantander (USA) Inc.; Pickrell Drilling Company; Presco Western LLC; State Farm Fire Casualty & Co.; Sedgwick County; State Farm Mutual Automobile Ins. Co.; Stelbar Oil Corporation; Stratitec, Inc.; The Bar Plan; Threshold Development Co.; United Fire & Casualty; Wilshire Ins. Co.; Woolsey Petroleum Co.; XTO Energy.