900 Services, LLC is an in-house security company, with both experienced and entry-level opportunities for security and customer service professionals to work at the high profile, 900 N. Michigan Avenue property. The 900 building services over 750,000 sq. ft., within a mixed used property that includes office and retail floors, and a 12-level self-park garage. Our security professionals help to provide for the safety and security of both individuals and property at 900 N. Michigan Avenue.