Are You Looking for a Hidden Dog Fence in the Research Triangle? of all Pet Containment Systems in Raleigh, Durham, Chapel Hill, Cary, Burlington NC and surrounding areas. We’re proud to offer the Pet Stop® brand of electronic pet fence systems. Our electric containment system components are entirely made in America, not outsourced to China like our competitors. Since 1992, we have successfully helped to train and contain thousands of dogs. Let us do the same for you! If you already have an Invisible Fence brand product, you now have a choice for service needs! We provide independent service on Invisible Fencing systems as well as replacement batteries for Invisible Fence® R-21, R-51, the Computer Collar of all models.