Here's some links to companies that restore vintage gas stoves.
http://www.wayhome.com/gar/forsale.html
http://www.bondstoveworks.com
http://dreamstoves.com/
http://www.relianceantiques.com/stoves.html
http://www.hughsplace.com/stoves.html

The first four are all in California and the last is in Louisiana. But all will ship nationwide.

bachelor

You might also try All Gas Appliances & Repairs -J Weaver
26 8th St
Richmond, CA 94801

(510) 233-0456

No website, but he has an enormous stock of stoves and PARTS. He also does repairs. He's a crotchety old man, but knows his stuff.