The Smithsonian Institution, a prominent nonprofit organization focused on museums, operates with a mission to "increase and diffusion of knowledge," as originally set forth by James Smithson. With an operating budget of $1.7 billion and total revenue of $2 billion for the filing year 2024, the institution is supported by multiple funders, none of which contribute 50% or more of its revenue. More information can be found on their website at www.si.edu.