Established by Charles W. McManis in Kansas City, KS, 1938, associated with Holtkamp Organ Co. of Cleveland, OH, 1941; firm closed in 1985; McManis continued as a free lance voicer and tonal finisher in Walnut Creek, CA, by 1989; and later in Woodbury, CT.

Staff: James F. Akright; Gene Bedient; Edward T. Bollinger; (John Chrastina?); Charles R. Eames; Philip L. McManis.