Posted in Web MidFirst Bank Reviews and Ratings – Bankrate.com May 18, 2019 MidFirst Bank is an FDIC-insured bank started in 1911 and currently headquartered in Oklahoma City, OK. The bank has equity of $1.49 billion on $14.73 billion in assets, according to December 31 … : https://www.bankrate.com/banks/midfirst-bank/595270/