The 50 most-backed sports associations & training facilities 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 National Collegiate Athletic Association, Justin J Watt Foundation Inc, and San Francisco Bicycle Coalitioneducation Fund Inc.
Ranked by sector centrality (ImpactRank over the funder graph).