Madison Opera Inc Non-Profit Organizations Madison Opera Inc Visit Website Request Info 335 W. Mifflin St Madison, WI 53703 (608) 238-8085 About Map About Madison Opera is a regional opera company, producing three operas annually, a free operatic event in the summer, and a host of educational and community programs. What's Nearby? Distance: 5 10 15 20 25 50 mi.