HD Supply Holdings, Inc. is an industrial distributor in North America. It operates in four segments: Facilities Maintenance, Waterworks, Power Solutions and Construction & Industrial-White Cap. Facilities Maintenance distributes maintenance, repair and operations (MRO) products, provides value-add services and fabricates custom products. Waterworks distributes water and wastewater transmission products, serving contractors and municipalities in the water and wastewater industries for non-residential and residential uses. Power Solutions distributes electrical transmission and distribution products, power plant MRO supplies and smart-grid products, and arranges materials management and procurement outsourcing for the power generation and distribution industries. Construction & Industrial-White Cap distributes specialized hardware, tools, engineered materials and safety products to non-residential and residential contractors.