Invisible Fence Brand by Clark Associates is the Authorized Dealer for Invisible Fence® Brand Pet Containment Products in Northern Virginia including the cities and counties of Fairfax, Loudoun, Arlington, Alexandria, Prince William, Manassass, Manassass Park, Fauquier, Culpepper, Fredericksburg, Spottsylvania and Stafford. Their family of pet fence related products include; Invisible Fence®...