Mac House Support Organization Inc, with EIN 87-3666367, is a nonprofit focused on patient social services, primarily serving as a supporting organization for Ronald McDonald House Charities of Central Ohio, Inc. In the 2024 filing year, it operates with a budget of $1.2 million and reported total revenue of $2.1 million, with a significant portion of its funding coming from an unidentified source totaling $12.3 million. The organization does not have a website and relies heavily on this single funder, which constitutes over 50% of its revenue.