Newmarket, East Gwillimbury and surrounding areas in York Region. Utilities Newmarket, East Gwillimbury and surrounding areas in York Region. Utilities Search | Advanced Search | New Members | Coupons and Discounts | All Categories Sort alphabetically by... Name City NT Power _ 590 Steven Crt.Newmarket, ON L3Y 6Z2 Mr. Ysni Semsedini (905) 895-2309 NT Power is an Ontario Energy Board licensed electricity distribution company. We operate and maintain the power distribution system within Newmarket and our shareholder is the Town of Newmarket. Our corporate mission is to be an industry leader who' Learn More | Visit Site | View on Google Maps Enbridge Gas Inc. _ 500 Consumers RoadNorth York, ON M2J 1P8 Kendra Black (416) 753-6962 Learn More | Visit Site | View on Google Maps Utility Energy Services (Canada) Inc. _ 3 - 1271 Gorham St.Newmarket, ON L3Y 8Y7 John Storey (905) 953-1761 Learn More | Visit Site | View on Google Maps If your business isn't here, contact us today to get listed!