The fonds is a collection of journals, newsletters, publications, and films produced by or about Canada Car that deal with the company's business and affairs

This collection consists of yearbooks; annual reports; newsletters, handbooks; prize lists; constitutions and by-laws; board of director information; lists of presidents; correspondence; a newspaper clipping; programmes; show announcements; booklets; emblems; publications; hand-written notes; a petition; rules and regulations; proceedings of an annual convention; show books; bulletins; pamphlets; articles; a presentation; and member lists.

The Donald C. Clark fonds is arranged primarily by record type including minute books, correspondence, maps, certificates and financial papers. The records relate primarily to Donald C. Clark's business interests, and those of his father Donald A. Clark.

The records contain the following series; Secretaries' and Treasurers' Records 1862-2016;
Awards, Newspaper Clippings

The J.T. Horne and George A. Graham fonds consists of six series containing documents relating to the activities of the two men either together or separately.

The Kaministikwia Club fonds includes annual reports, letters, and handbooks regarding the club, its meetings, and its activities.

The Steep Rock Mines collection contains microfilm copies of originals business records regarding early development, employee newsletters, and correspondence.

The William Bell Frue fonds consists of correspondence of W.B. Frue, including while he was superintendent of the Silver Islet mine.