TUBE SUPPLIERS:
Antique Electronic (Radio) Supply
Electro Sonic, Inc.  Tubes and components

International Components Corp. - Excellent pricing.
1-800-645-9154 will bring tube, and components catalogs. (US & Canada Only)

R.F. Parts Company  Another good source for tubes
Radio Electric Supply  Good tube selection at reasonable prices
Richardson Electronics  La Fox, IL
SND Tube Sales  Tubes and tube testers
TUBES.RU  Amateur tubes, and more - Russian source

TUBE MANUFACTURERS:
Burle Industries  Lancaster, PA
California Tube Laboratory  Watsonville, CA
Covimag  Brive, France
D & C Electronics  Spring Hill, FL
ECONCO  Woodland, CA
Eimac  San Carlos, CA
e2v Technologies  Chelmsford, Essex, U.K.
Freeland Products, Inc.  Covington, LA
Penta Laboratories  Chatsworth, CA
Svetlana  St. Petersburg, Russia
Thales Electron Devices  Cedex, France
Thomas J. Bruckner  Rockaway, NJ
Triton Electron Technology Division  Microwave - Easton, PA
Vacuum Tube Valley  Glass electron tube manufacturers
Vacuum Tubes, Inc.  Tubes, parts & books - Harrison, OH
WVS-Technology  Tubes, inductors and much more - Meerbusch, Germany
Yeagle Technology, Inc. Homepage  Ashford, CT