provider
noun [ C ]
uk/prəˈvaɪdər/ usa company or organization that sells a particular type of product or service:
provider of sth The energy group is the biggest provider of wind farms in the UK.
the leading/largest/biggest provider (of sth) The French firm is one of the leading providers of outdoor advertising space.
a healthcare/energy/telecoms provider
a mortgage/insurance/pension provider
INTERNET, IT (also internet service provider); (also service provider)
a company that provides internet connections and services:
They are the largest cable-based provider outside the US with 300,000 subscribers.
a broadband/internet/online provider