Dog Guard of Maryland keeps your dog safe and secure in your yard with our underground dog fence. To ensure the highest quality and reliability, the Dog Guard system is designed and assembled in the U.S.A. with final assembly for all Dog Guard products being completed in Troy, New York. Dog Guard of Maryland is your locally owned and operated business providing the best installation, training, and support in Maryland. We ensure the safety of your beloved pet, allowing them to roam freely within your yard, while keeping them safely contained. It really is "Freedom for your pet, and peace of mind for you!"