MFS High Income Municipal Trust is a US-based company operating in industry. The company is headquartered in Boston, Massachusetts. MFS High Income Municipal Trust (the Fund) is a diversified closed-end management investment company. The Fund’s investment objective is to seek high current income exempt from federal income tax, but may also consider capital appreciation. The Fund invests, under normal market conditions, at least 80% of its net assets, including assets attributable to preferred shares and borrowings for investment purposes, in tax-exempt bonds and tax-exempt notes. The Fund's investment adviser may invest 25% or more of the fund’s total assets in municipal instruments that finance similar projects, such as those relating to education, healthcare, housing, utilities, water, or sewers. The Fund's investment adviser may also invest in taxable instruments, including derivatives. The Fund invests in various jurisdiction, including Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, and Florida. The Fund’s investment adviser is Massachusetts Financial Services Company.