OCS is a statewide company that specializes in nurse case management, occupational therapy, vocational rehabilitation, file review, and social security assistance. All of our employees have 5+ years experience in the field and have a strong reputation built on trust and exceptional service. OCS has been around for over 30 years; with a change in ownership in 2010. We are certified as a women-owned small business through WBENC and are an approved vocational rehabilitation facility through the State of Michigan.