The Safety Institute of Australia Ltd is Australia’s peak body for the health & safety profession. Established more than 60 years ago, S.I.A have a membership of over 4,000 individuals who may simply be interested in health and safety in the workplace, or be actively working in the field of OHS as Health and Safety Representatives, or OHS practitioners or professionals. S.I.A also has more than 50 Corporate members whose vision is to harness the capabilities of the vast body of people working within the field, to work toward the elimination of workplace injury, illness and death..