Non Entity Corp. is a company created in March 2005 and owned by Trent Reznor. Its purpose is not entirely clear, but it appears to have been created to handle all non-music business aspects (with the music business being handled by The Null Corporation). The company name has been spotted in conjunction with promotional photographs, websites, and merchandise. It was probably created to replace business functions that were previously handled by companies like Nothing Records, Object, and Nothing Interactive, with which Reznor was no longer associated.
A Non Entity Corp. II was created in 2011. Similarly to The Null Corporation II, it probably handles non-music business related to the soundtrack work.