Corporatism:
"Historically, corporatism or corporativism (Italian: corporativismo) refers to a political or economic system in which power is given to civic assemblies that represent economic, industrial, agrarian, social, cultural, and professional groups."
Wikipedia entry
References of usage of the term in a modern context:
Populist America
Dissident Voice
I deliberately chose examples that refer to corporatist influences within the Democratic party. Corporatism (like populism) is distinct from liberalism or conservatism.