Records relating to Steve Mantis's work in injured workers' rights and advocacy, including with: Thunder Bay District Injured Workers Support Group; Ontario Network of Injured Workers Groups; and the Worker's Compensation Board (WSIB). Records of research projects. New Directions Speakers' School. Poverty reduction initiatives. Bay Credit Union Social Responsibility Committee. Run for MPP in 2011 Ontario election as NDP candidate for Thunder Bay-Superior North.

While records are divided into series by organization/association, it will be clear to readers that the work of many of these organizations overlaps and interconnects. Mantis's role was often as a connector, building synergy and solidarity between organizations.

The Canadian Injured Workers Alliance was founded in 1990 as an umbrella organization of injured workers' groups across Canada. It has engaged in advocacy, research, and the creation of educational information for members. Records relate to the labour movement, disability, legal and legislative rights for workers, and the operation of the organization.