stock company vs repertory company

stock company and repertory company both are nouns.

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

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

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

Other synonyms of stock company include repertory.

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