Founded in 1873 by brothers James and Gilbert Ganong, it is the oldest company in its industry in Canada.

[12] In 1911, Ganong Bros. purchased the bankrupt White Candy Company in Saint John, New Brunswick and operated a factory there until 1931.

David Ganong maintains an advisory role on the company’s board and remains the controlling shareholder.

[17] Company heads Ganong's long history is showcased at its Chocolate Museum (Fr:Le Musée du Chocolat) which opened in 1999 in their old factory building in St. Stephen, New Brunswick.

In conjunction with the community, the museum co-hosts the annual St. Stephen Chocolate Festival, which has been held since 1985.

[24] They came in white and pink colours, were particularly larger than the average mint candy, and were coated with a powder.

[24][25] Fruitland Chews were a line of jelly fruit snacks[26] that Ganong Bros. began manufacturing in 1989,[27] as a means of competing against the dominating Betty Crocker.