The Institute of Navigation (EIN: 53-6019389) is a nonprofit organization dedicated to advancing the art and science of positioning, navigation, and timing, with a focus on marine science. With an operating budget of $2.8 million and total revenue of $7.2 million for the filing year 2025, the organization demonstrates a robust financial scale. Notably, it relies on a significant funding source, as an unknown funder contributes $12.5 million, which constitutes over 50% of its revenue. More information can be found on their website at www.ion.org.