Dog Training, Dog Grooming, and Raw Dog Food in Long Island, NY Dog Obedience Training We offer group dog training classes on Long Island & private lessons ranging from puppy basics, advanced obedience, behavior modification & more. Sport Dog Training If you are looking for the ultimate bond and tons of fun. Maximum k9 offers a variety of dog sports at different skill levels. Come check it out! Working Dog Training Maximum K9 Service working dog training customized to your needs including family protection, scent detection, schutzhund, and more. Maximum K9 Nutrition Plus Check out the shop! We carry a wide assortment of dog training products, raw dog food, dog toys and everything else to meet your dog's nutritional and training needs.