The Smithsonian Institution, with an EIN of 53-0206027, is a prominent nonprofit organization dedicated to the mission of "increasing and diffusion of knowledge," as established by its founder James Smithson. Operating with a substantial budget of $1.7 billion and generating total revenue of $2 billion in the 2024 filing year, the institution is a key player in the museum sector. It does not rely on any single funder for 50% or more of its revenue, ensuring a diverse funding base for its educational and cultural initiatives. More information can be found on their website at www.si.edu.