The ACW-Unionville Fire Department retains nineteen voluntary firefighters and two auxillary members on their roster. The organization includes the Townships of Akron, Columbia, and Wisner along with the Village of Unionville. It covers all sections of Columbia Township. ACW-Unionville Fire Dept. Board is made up of two members from each entity and meets quarterly at the Unionville Municipal Building, at 6454 Merry St., Unionville, Michigan.