The Honor Society of Nursing Sigma Theta Tau International Inc is a nonprofit organization dedicated to the education and scientific research dissemination within the nursing profession. With an operating budget of $13.2 million and total revenue of $13.9 million for the filing year 2025, the organization supports its mission through various funding sources, none of which provide 50% or more of its revenue. More information about their initiatives and programs can be found on their website, www.sigmanursing.org.