Who We Are

Kasmer & Aafedt Oil, Inc. is a trustworthy oil and gas company based in Williston, North Dakota, that buys mineral rights. Our owners, John Kasmer and Dean Aafedt, have been in the oil business together since 1992. John and Dean have been successful in purchasing over 100,000 mineral rights throughout the Williston Basin by providing fair offers and closing each transaction quickly. Our objective is to create lasting relationships.