Home › Top 5 Local Business in Downsville, New York Find best Downsville, New York, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. Upper Delaware Real Estate US, Downsville, NY 13755Main St Real Estate JayTeks US, Downsville, NY 1375515246 NY-30 Computer Services Sunoco Gas Station - Downsville (NY 13755) US, Downsville, NY 13755NYS RT. 206 & 30, 15068 NY-30 Gas Stations Exxon - Downsville (NY 13755) US, Downsville, NY 1375515192 NY-30 Gas Stations Gladstone Insurance Agency, LLC US, Downsville, NY 1375515200 NY-30 Insurance Company