Hale Pet Door http://www.halepetdoor.com was founded in 1985 by Bill Hale in Phoenix, AZ. Energy efficiency, pet safety, durability and appearance are hallmarks of all Hale Pet Door products. The first dog door designed to be installed directly in-glass for an elegant pet access solution was invented by Bill Hale. Clear vinyl double flaps that adhere securely to 5 times stronger Alnico magnets create an energy efficient solution to leaky pet door problems. The corporate offices are in Canon City, CO where national customer service, sales, marketing and accounting are handled. The Glendale, AZ location houses the research and development, engineering department, production and distribution center Because customer service is paramount to Hale Pet Door and installation can be key to the pet door purchase, Bill Hale is always looking for self-starters who want to make a good living installing pet doors. Hale Pet Doors are the easiest pet doors to install as well being the highest quality. 800-696-4773