United Illuminating United Illuminating Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Utilities United Illuminating 60 Marsh HillOrange, CT 06477 203-499-2247 Visit Site Send a message to: United Illuminating Your Name: Your Email: Subject: Message: (Date: 2/5/2025) If your business isn't here, contact us today to get listed!