A natural or legal areal monopoly distributer of a commodity (less often a service) delivered in continuous flows to multiple consumers from a common physical, infrastructural network, such as an electric company or water company; or, the securities of such a provider.
Having to do with, or owned by, a service provider.
(Of a building or its components) containing or intended for any of a building’s often-utility-related commodity transport, such as pipes or wires, or converting equipment, such as furnaces, water tanks or heaters, circuit breakers, central air conditioning units, laundry facilities, etc.