repertory company vs stock company

repertory company and stock company both are nouns.

Word	Noun	Adjective	Verb	Adverb
repertory company	Yes	No	No	No
stock company	Yes	No	No	No

As nouns, repertory company and stock company are synonyms defined as:

repertory company and stock company: a theatrical company that performs plays from a repertoire

Other synonyms of repertory company include repertory.

repertory company (noun)	stock company (noun)
a theatrical company that performs plays from a repertoire	a company whose capital is represented by stock
	a theatrical company that performs plays from a repertoire