Southern Connecticut Gas Company, a subsidiary of UIL Holdings Corporation Southern Connecticut Gas Company, a subsidiary of UIL Holdings Corporation Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Public Utilities & Environment >> Public Utilities, Environment, Fuel >> Utilities- Services Southern Connecticut Gas Company, a subsidiary of UIL Holdings Corporation 60 Marsh Hill RoadOrange, CT 06477 | map | directions Patrick McDonnell (203) 499-2923 Visit Site Member Since: 1929 Send a message to: Southern Connecticut Gas Company, a subsidiary of UIL Holdings Corporation Your Name: Your Email: Subject: Message: (Date: 2/3/2023) If your business isn't here, contact us today to get listed!