Graycor Construction Company has just been ranked #12 on MWRE’s 2015 Best of the Best Midwest Top Contractors List, moving up six spots from last year’s ranking at number 18. Graycor’s revenue in the Midwest exceeded $435 million in the 2014 fiscal year and included major projects such as Simon Chicago Premium Outlets Mall Expansion (Aurora, Ill.), BP Emergency Services Building (Whiting, Ind.) and Otter Tail Power Co. Air Quality Control System at Big Stone Power Plant (Big Stone City, S.D.).