John Henry Foster, www.jhfoster.com, serves clients as a compressed air systems and fluid power distributor in Minnesota, Wisconsin, North Dakota, South Dakota and northern Iowa. We are known for providing mobile service, maintenance, and design of electro-pneumatic controls. Educational training and air system seminars are also offered. We provide both capital and pneumatic components consultatively, allowing us to partner with both the supply and demand sides of capital compressed air systems. JHF is headquartered in Eagan, Minn. with a facility in Fargo, N.D.