International airport. The Sault Ste. Marie Airport is owned and operated by the Sault Ste. Marie Airport Development Corporation (SSMADC), a private not-for-profit corporation. A board of nine directors makes all strategic decisions relating to the long term relevance and sustainability of the Airport. Day-to-day operation is managed by Terry Bos, President & CEO, and Jim DeGasparro, SMS/Operations Manager & Fire Chief.