Andersen Oil Company 4 Colby Drive Ledyard, CT 06339 860-464-7628 http://andersenoilcompany.com/ [email protected] Superior service, quality workmanship, and a loyal customer base; these are some of the qualities thatAndersen Oil Companyhas come to be known by. With over 45 years of experience servicing oil heating systems and offering seamless heating oil delivery services to customers in Norwich, Mystic, and Groton, CT, Andersen Oil Company makes customer satisfaction its #1 priority. Their experts offer... read full review »