From Longman Business Dictionary
purveyorpur·vey·or /pɜːˈveɪəpɜːrˈveɪər/ noun [countableC]COMMERCE a person or company that supplies goods or services to people, especially food or drinkThe company established a reputation as a purveyor of fine wines.
—purvey verb [transitiveT]They purvey the product to a mainly rich clientele.