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DeGolyer & MacNaughton
DeGolyer and MacNaughton is one of the oldest and most respected names in the oil and gas industry. Since its formation in 1936, D&M has strived to be the leader in petroleum industry consulting services. With offices around the world, D&M employs over 180 petroleum professionals, including engineers, geologists, geophysicists, petrophysicists, statisticians, and economists who speak over 30 different languages. D&M provides a wide range of petroleum consulting services to clients worldwide and is consistently at the forefront of the industry in implementing innovative technologies. During its 80-year history, D&M has established an international reputation for extensive knowledge in its field, unquestioned devotion to integrity, and a commitment to serving its clients.