An organ assembler located in Canada has published that they purchase most of the important assemblies used in their organs from third-party suppliers, as listed below. Long-term product support for these organs is not only dependent on their willingness and capabilities of the assembler for support, but also on those of the third-party suppliers.
Klann Organ Company (Waynesboro, VA) Thumb Pistons – https://klannorgan.com/
Syndyne Corporation (Vancouver, WA) Toe Pistons, Drawknobs, Coupler Tabs – http://www.syndyne.com/
Organ Supply Industries (Erie, PA) “Premium Keyboards”, Pedalboard hardware and sharps – http://www.organsupply.com/
Harris Precision (Whittier, CA) “Premium Drawknobs” – Website no longer operational
Lexicon (South Jordan, UT) Reverb Units – http://lexiconpro.com/en
Furman (Petaluma, CA) Power Sequencers – http://www.furmanpower.com/
Progressive Dynamics (Marshall, MI) Power supplies – http://www.progressivedyn.com/