OREANDA-NEWS. National Rating Agency has withdrawn its credit rating on Orenburg Regional Mortgage Financing Agency LLC (ORMFA) due to expiry of the contract. The company has been assigned an exit rating of ‘A-’. ORMFA got NRA’s first-time credit rating of ‘A’ on Oct. 25, 2011. The latest rating action on the company (the ‘A’ credit rating affirmation) was on Nov. 6, 2015.