Since leaving junior hockey, Eminger split his time between the Capitals and their AHL affiliate, the Portland Pirates.

[2] On September 4, 2009, Eminger was signed as a free agent by the Anaheim Ducks to a two-year deal.

After spending his professional career entirely on North America soil, Eminger signed as a free agent to his first contract abroad with Russian club, CSKA Moscow of the Kontinental Hockey League on October 21, 2014.

[7] As a free agent in the summer and into the midpoint of the 2015-16 season, Eminger returned to play in signing a professional try-out contract with the Lake Erie Monsters of the AHL on January 21, 2016.

On June 14, 2017, Eminger was announced to have accepted a position as a professional scout for the New York Rangers.