{"ein":"431827033","kind":"nonprofit","verification":"irs-listed","name":"MIDCONTINENT INDEPENDENT SYSTEM OPERATOR INC","ntee":"W80","city":"CARMEL","state":"IN","revenue":616078935,"assets":3354403000,"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"}