A.C.E. of Southwest Minnesota-Lyon County Non-profit Organizations A.C.E. of Southwest Minnesota-Lyon County Visit Website 607 West Main St Marshall, MN 56258 (507) 532-1326 About Map About A.C.E. of SW MN is a non-profit, 7 county org providing resources & services to those over 55, their families & caregivers. We promote civic engagement through volunteerism to support positive aging. What's Nearby? Distance: 5 10 15 20 25 50 mi.