Murex Petroleum Corporation is engaged in the acquisition, development and operation of oil and gas properties in North Ameri ... ca. Since incorporating in 1996, Murex has enjoyed tremendous growth and success to become the 23rd largest operator in North Dakota and the 37th largest operator in the Rocky Mountain Region. Murex has also been ranked the 38th largest privately held oil and gas company by the Oil & Gas Financial Journal. We currently employ 65 in our Houston corporate and North Dakota offices. read more