Sault Ste. Marie Airport Development CorporationSault Ste. Marie, Ont. (16 clerical, technical employees) and the Public Service Alliance of Canada (PSAC)10/22/2018|Canadian Labour Reporter|Last Updated: 10/22/2018 Renewal agreement: Effective April 1, 2018, to March 31, 2023. Signed on July 24, 2018.Wage adjustments: To Read the Full Story, Subscribe or Sign In Remember Me Forgot Password If you are a current Subscriber, please click here to set-up or update your login information.