Spencer Organ Company of Waltham, Massachusetts was formed in 1995 to specialize in restoring electro-pneumatic pipe organs and components.

From its earliest years, the company worked on many fine Skinners and Aeolian-Skinners: famous Boston organs (Church of the Advent, Old South Church, Symphony Hall, The First Church of Christ, Scientist, Mother Church—Extension); the Groton School Chapel; the Palace of the Legion of Honor, San Francisco; Hill Auditorium, University of Michigan; and Plymouth Church of the Pilgrims, Brooklyn Heights.

Solar panels at Spencer Organ CompanyGradually the business has expanded to include many other makes of organs as well as a growing outsource clientele.