Definition of purveyors:
(n) :
One who purveys (“furnishes, provides; gets, procures”); a supplier; specifically, one in the business of supplying food or other necessary material goods; a provisioner.
(n) :
(figurative) A person or group that promotes or spreads an idea, a viewpoint, etc.
(n) :
(UK, historical) An officer who obtained provisions such as accommodation and food for the household of a monarch or some other high-ranking person; also, an officer in charge of obtaining provisions for an army, a city, etc.
(n) :
(obsolete) One who arranges or prepares something; an arranger, an orchestrator, a preparer.