Moore Pet Supplies LLC America's Choice for Quality Pet Doors and Pet Products Since 1996 Moore Pet Supplies LLC has been serving customers since the Internet's earliest days of retail beginning in 1996. We are the Internet's leading retailer of pet doors, providing customers with a comprehensive selection of pet doors that was coupled with the very best customer service. Moore Pet Supplies carries all major brands of pet doors as well as offers custom made pet doors and custom made inserts for patios and window pet doors. Our experts know pet / dog doors better than anyone in the industry, and we are readily available to assist in choosing the right product or helping a customer with installation questions. Even today, were the only online pet door retailer that has experienced installers and trained personal in every aspect of pet doors that are available to answer any questions you may have.