OREANDA-NEWS. National Rating Agency has affirmed its ‘BBB+’ credit rating on EnergoService-EK LLC and removed the rating from its Watchlist. The outlook for the rating has been revised to Stable from Indefinite. The company was assigned NRA’s first-time credit rating of ‘A’ on Apr. 30, 2014. The latest rating action on EnergoService-EK (the credit rating downgrade to ‘BBB+’ and Watchlist placement with indefinite implications) was on Apr. 14, 2016.