Guild of Organists
||The purpose of the American Guild of Organists is to promote
the organ in its historic and evolving roles, to encourage excellence
in the performance of organ and choral music, and to provide a forum for
mutual support, inspiration, education, and certification of Guild members.
|Associated Pipe Organ Builders
||APOBA is a professional association of North American firms
engaged in building traditional pipe organs. We are a select group of
organ builders who uphold stringent construction principles.
|American Institute of
||The AIO is a professional association of organ builders
|Church Organ Trader
||Buy and sell organs and parts
|Organ Historical Society
||The Organ Historical Society celebrates, preserves, and studies the pipe organ in America in all its historic styles, through research, education, advocacy, and music.
(Light Emitting Diodes)
||Wikipedia definition of LEDs