The National Service Alliance (NSA) announced the addition of a new member: North Hills Services, Inc. 

North Hills Office Services, Inc. is a full-service building maintenance contractor servicing the Metropolitan New York area for over 50 years. North Hills was founded with the intent of providing quality janitorial services at the lowest possible cost for its clients. North Hills Office Services has one goal, to form a partnership with its clients and become part of their team in the area of janitorial and facility maintenance.