Retor is a new (2014) LLC after closing Abelard Construction, BBB link http://www.bbb.org/minnesota/business-reviews/roofing-contractors/abelard-construction-in-saint-paul-mn-96001081
Currently operating out of Carmel IN, do a google search of owner it will confirm all this information
The owner stays in business about five years and then takes the CFO and opens a new LLC as a means to eliminate financial responsibility to customers, contractors and former employees. WATCH OUT! He has done this many times, quick means to your cash!