Antique Wireless Association   http://www.antiquewireless.org/

Cincinnati Antique Radio Society  http://www.cincinnati-antique-radio.org/Home_Page.php 

Listed here are other clubs that offer meetings, resources and swap meets.

Mid-Atlantic Antique Radio Club http://www.maarc.org/

Indiana Historical Radio Society  http://www.indianahistoricalradio.org/