The 50 most-backed social science n.e.c. 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 Buck Institute For Research On Aging, American Arbitration Association- International Centre For Dispute, and National Institute Of Statistical Sciences.
Ranked by sector centrality (ImpactRank over the funder graph).