{"ein":"450216732","kind":"nonprofit","verification":"irs-listed","name":"MOUNTRAIL-WILLIAMS ELECTRIC COOPERATIVE INC","ntee":null,"city":"WILLISTON","state":"ND","revenue":490840345,"assets":957456348,"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"}