Winter Opera St. Louis is a nonprofit organization dedicated to providing the people of St. Louis with an evening of opera during the winter months, while also investing in local artists and enhancing public appreciation for the art form. With an operating budget of $624.1K and total revenue of $1.3M for the 2025 filing year, the organization demonstrates significant financial backing, though it does not rely on a single funder for more than 50% of its revenue. More information can be found on their website, winteroperastl.org.