Dewey was founded in 1955, Pitometer Log in 1927 We are a leading resource to the U.S. government for innovative and portable power solutions for some of the toughest applications and environments. Our mission has always been to solve complicated power problems so our customers can operate more efficiently and safely. That reliability is backed by our expertise in engineering, system design, and full power integration. That's not all we do. We have products on the ocean, under the ocean, in the air, and we even helped make something that's now on Mars.