Drone Racing League has found itself a sponsor

Drone Racing League Gets Validation With Title Sponsor.  (Advertising Age, 2/7/2017)
Just over one year into existence, and the Drone Racing League has signed its first title sponsor for its race circuit. The New York-based league has signed a five-year partnership with German insurer Allianz; the companies will produce the Allianz World Championship races later this year.