Elevation Innovation, Inc.
- USA. Offers commercial and residential dumbwaiter kits. Includes a comparison, technical info, FAQs and order form.
- http://www.eilifts.com

WB Fowler Industries Inc.
- Canada. Manufactures dumbwaiters including wood carrying device. Features product specifications, installation notes, profile, and news. Also in French.
- http://www.wbfowler.com/

Waupaca Elevator Company, Inc.
- USA. Offers residential and commercial dumbwaiters also residential elevators. Includes options and upgrades, drive systems and spec sheets also printable brochures.
- http://www.waupacaelevator.com/

Butler's Buddy Inc.
- USA. Offers standard, custom, corner mailbox dumbwaiters. Includes mounting positions, access positions and FR construction.
- http://www.butlersbuddy.com/

Powerlift Dumbwaiters Corp.
- USA. Offers 2 stop and 3 stop dumbwaiters also custom, firewood and laundry dumbwaiters. Includes free support, DVD and contact information.
- http://www.dumbwaiters.com/