The 50 most-backed science & technology nonprofits in the United States are ranked by their centrality in the sector's funding network — a measure of how embedded they are through grants received, board connections, and shared funders.
The largest are For Inspiration And Recognition Of Science And Technology First, Ninetwelve Institute Inc, and New Jersey Innovation Institute Inc.
Ranked by sector centrality (ImpactRank over the funder graph).