Suites in the historic Monadnock Building range from about 300 to 5,000 square feet in size, ideal for smaller organizations. Every suite has large, operable windows, solid oak woodwork, fiber optic service, and its own air conditioning system. Most have private offices, reception areas and pantries. The building has its own block in the Loop, eleven shops and restaurants, 24/7 manned security, and the City's highest EnergyStar rating. Centrally located and easily accessible, with the Federal Center, the Union League Club, the Blue, Red, Brown, and Purple Lines and ample parking all next door.