Here's a few:
http://www.beckwithelectronics.com/EAO/EAO.htm
Walker Component Group:
http://www.walkercomponent.com/
Lena Boyd
Walker Component Group
25691 Atlantic Ocean Drive
Suite B-18
Lake Forest, CA 92630
Ph# (800) 729-3230
Fx# (949) 581-5338
Best to call these guys on the phone:
http://www.sager.com/
Some distributors only carry a few of the switch types, but may order others.
Let me know if you find other good sources; getting EAO parts is not fun...