{"ein":"731574370","kind":"nonprofit","verification":"irs-listed","name":"GEORGE KAISER FAMILY FOUNDATION","ntee":"T110","city":"TULSA","state":"OK","revenue":549695640,"assets":5090304364,"sourceName":"IRS Exempt Organizations Business Master File extract","sourceUrl":"https://www.irs.gov/charities-non-profits/exempt-organizations-business-master-file-extract-eo-bmf","lastChecked":"2026-07-05"}