Legacy Natural Gas Legacy Natural Gas Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Other >> Utility Companies Legacy Natural Gas 1157 Century DriveSuite 230Louisville, CO 80027 Meaghan Gronlie (303) 818-1960 Visit Site New Member Connect With Us natural gas supplier on the Black Hills Choice Program Send a message to: Legacy Natural Gas Your Name: Your Email: Subject: Message: (Date: 5/3/2024)