Longman Dictionary of Contemporary English
service industry
noun
EXAMPLES FROM CORPUS
▪ And what better place than Tucson for a play about service industry workers?
▪ Most of the public sector and service industry jobs taken by women are in cleaning, catering and laundry work.
▪ Politics, like government itself, has expanded from a dedicated personal calling to a large, thriving, expensive service industry.
Wiktionary
service industry
n. An industry that does not produce any goods, but only provides a service such as a bank or insurance company.
WordNet
service industry
n. an industry that provides services rather than tangible objects