Experience + Tenacity From the beaches of Southern Maine to the mountains of Carrabassett Valley, we have been serving Maine since 1980. When you work with KRE Brokerage Group you benefit from experience, dedication, tenacity and determination of all our brokers to obtain best possible result for all your brokerage needs – whether residential or commercial – and whether buying, selling, investing or developing. We specialize in the Greater Portland region of Maine but offer brokerage services for many areas outside this general area with agents located in several locations throughout Maine.