K-Pups Underground Dog Fencing has been serving the pet fence industry in Northern Illinois and Southern Wisconsin for over 25 years. Safety has always been and will always be our primary focus. At K-Pups, offers more than just a fence, we are pet professionals that understand no two dogs are alike. That is why we customize every Pet Stop Containment System to fit you and your pet's needs. In your yard and inside your house, K-Pups can provide a safe and secure environment for your pet.