Building Management: This section provides contact information for building operations personnel.

Building Holidays: This section provides tenants with a list of legal and union holidays during which special arrangements must be made for services.

Security: This section provides information regarding security at 875 North Michigan Avenue.

Leasing: This section provides information about Leasing at 875 North Michigan Avenue.

Engineering: This section provides contact information for the building maintenance and engineering department at 875 North Michigan Avenue.

Rent Payments: This section provides information regarding rental remittance.