The fonds contains materials relating to the history, products, employees, equipment and manufacturing processes of the Rubber Machinery Shops of the Dominion Tire Co. Ltd, and its parent companies from ca. 1914 to ca. 2004.

Includes over 1600 photographs of staff at work, receiving awards and at leisure; manufacturing processes and machines; products made by RMS for used in their parent companies and for contracts; interior, exterior and aerial views of Dominion Rubber facilities across Canada; and photographs taken for publication in RMS and parent company newsletters as well as local media.

Also included is information on company history, including newspaper clippings, press releases, leaflets and in-house publications; sales and marketing materials including advertisement proofs, brochures, leaflets, and major equipment listings; company publicity materials including parent company publications, and company portfolios; and RMS created office files including salary and company organizational charts, and industrial relations materials.