Two major suppliers of phonograph motors and components that were used in Canadian-made phonographs were Otto Heineman Phonograph Supply Co., New York, N.Y. and A.F. Meisselbach & Bro., Newark, N.J.

The Otto Heineman Phonograph Supply Co., Inc., 25 West 45th Street, New York, NY, USA was founded in late 1915, with factories at Elyria, Newark and Putnam. It was a phonograph-parts and supplies house that allowed hundreds of smaller manufacturers and cabinet makers to obtain standardized mechanisms and components. Its first advertisement in Canadian Music Trades Journal in November 1915 offered six different styles of phonograph motors, "The Motor of Quality", playing from one to eight phonograph records with one winding.

A.F. Meisselbach & Bro. was established much earlier, in 1882. The company entered phonograph component manufacturing by 1911–12 and began making phonograph motors in about 1915. Its initial advertisement in Canadian Music Trades Journal in 1916 offered the No. 10 Meisselbach phonograph motor.

Heineman acquired the Meisselbach company in May 1917; the Meisselbach plant thereafter became the Meisselbach Division of the Otto Heineman Phonograph Supply Co., while the Meisselbach motor continued to be manufactured at Newark.

In October 1919 CMTJ announced that the Otto Heineman Phonograph Supply Co., Inc. had changed its name to the General Phonograph Corporation and, at the same time, had purchased the Pollock Manufacturing Co.'s factory in Kitchener, Ontario. The Canadian branch of the newly-named General Phonograph Corporation would operate as the General Phonograph Corporation of Canada, Limited.

A contemporary report stated that the Kitchener plant was not simply an assembly plant.

Talking Machine World, October 1919, p. 27: "GENERAL PHONO. CORP. PURCHASES POLLOCK FACTORY - The Kitchener, Ont., plant of the General Phonograph Corp. will manufacture a complete line of motors, tone arms and sound boxes for the consumption of the company's Canadian trade and for shipment to the British Empire."

The report specified that the motors would be partly Heineman type and partly a new design specifically for the Canadian trade, with quantity deliveries beginning approximately January 1, 1920. The later Pollock-Welker company continued making Helycon motors there after acquiring the General Phonograph plant in 1925.

It is not established whether Meisselbach motors were manufactured in Canada or continued to be manufactured at the Newark, N.J. plant.

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Canadian Music Trades Journal, November 1915, p. 32. The initial Heineman ad in CMTJ.



Canadian Music Trades Journal, December 1916, p. 59. The initial Meisselbach ad in CMTJ.



Canadian Music Trades Journal, June 1917, p. 37. Announcement of the amalgamation of the Heineman and Meisselbach companies.



Canadian Music Trades Journal, July 1917, pp. 46-47. Early advertisement showing the combined companies.



Canadian Music Trades Journal, October 1919, p. 59. Announcement of the Heineman purchase of the Pollock Mfg. Co in Kitchener, Ontario.



Canadian Music Trades Journal, October 1919, p. 63. Announcement of the name change from Otto Heineman Phonograph Sypply Co. to General Phonograph Corporation.



Canadian Music Trades Journal, October 1919, p. 65.



Canadian Music Trades Journal, November 1919, p. 89. The Canadian branch of the General Phonograph Corporation will operate as the General Phonograph Corporation of Canada, Limited.



Canadian Music Trades Journal, January 1920, pp. 46-47. Note: Canadian Factory, Kitchener, Ontario.



Canadian Music Trades Journal, February 1920, pp. 74-75.



Canadian Music Trades Journal, May 1920, p. 23.