- Karl J. Raudsepp
Canadian firm of organ builders . It was founded in 1946 by Maurice Guilbault (1903–69), who had previously worked for Casavant Frères of St Hyacinthe, Quebec, and Antonio Delage. In 1962 the company was incorporated as Orgue Providence Inc., taking its name from the location of the workshop. Guilbault’s son André (b St Hyacinthe, 28 Nov 1937) joined the firm in 1955 and succeeded his father as head of the company in 1968. At about that time he was joined by Guy Thérien (b Iberville, PQ, 20 Nov 1947; d St-Hyacinthe, Quebec, 11 May 2001), a young apprentice voicer from Casavant Frères. The company adopted its present name, Guilbault-Thérien Inc., in 1979. A new and enlarged workshop was built to accommodate the expanding business in 1985.
The firm began by rebuilding instruments using primarily electro-pneumatic technology. Examples include the electro-pneumatic rebuilding of the historic 1863...