CBRE serves clients through four business segments: Advisory (leasing, sales, debt origination, mortgage servicing, valuations); Building Operations & Experience (facilities management, property management, flex space & experience, critical infrastructure); Project Management (program management, project management, cost consulting); Real Estate Investments (investment management, development). Operates, maintains, monitors, and performs preventive, predictive, and corrective maintenance on building equipment, which may include: mechanical/HVAC/plumbing systems, electrical/cabling, fire detection and suppression, life safety, lighting, temperature control systems, building management systems, and digital systems.