Sault Ste. Marie is open for business. The Sault Ste. Marie Economic Development Corporation is a one-stop source for all the information you need. Our staff are part of the Team Sault Ste. Marie network of people ready to take your enquiries into action. We are available for free advice from small business start-up, tourism information to major industry partnerships. Please call between Monday and Friday from 8:30 AM to 4:30 PM EST.