A-Plus Pet Screen Doors: Allows pets access to the inside and outside of homes.
Cat Doors and Cat Flaps: Offers magnetic and wooden doors with online installation and evaluation guide. Located in New Zealand.
Cats Curtains: Custom made curtains for cat and dog flaps. Handmade to fit without the need for screws or glue. UK location.
Dog Door Store: Supplying a range of portal doors, crates, backpacks and travel bowls. Illustrated descriptions and specifications.
Friendly Fence: Offers dog and cat fence kits, accessories, and installation tools.
Highland Pet Supplies: Offering manual and electronic doors. Includes installation guides and door specifications.
Metalcote: Sells plastic coated wire containment structures. Includes cat baskets, restrainers, rescue traps, and fold flat kennels. UK location.
Patio Door Accessories: Offers a device to allow operation of sliding doors by animals wearing remote collars.
Patio Pacific, Inc.: Pet doors for walls, doors and windows, screens, and sliding glass doors. Also sells containment systems and automatic feeding systems.
Pet Door Concepts: Offers doors for walls, french doors and glass.
Pet Door Design: Offers custom-made exit/entry for patio doors. Installation available by company or supplies detailed instructions for professional installers in purchaser's area.
Petdoors USA: Allows exit and entry through walls, windows, screens, or patio. Also offers electric doors.
Safe & Sound: Offers pet doors, vehicle barriers, pet gates and flaps.
The Cat Terrace: Offers materials, plans and instructional video for building an enclosed terrace that can be installed on a standard screened window.
The Cat's Den: Sells custom outdoor enclosures that can be accessorized with awnings, hammocks and shelves. Also offering tunnels and pet door. Located in Canada.