maker vs business concern

maker and business concern both are nouns.

Word	Noun	Adjective	Verb	Adverb
maker	Yes	No	No	No
business concern	Yes	No	No	No

As nouns, business concern is a hypernym of maker; that is, business concern is a word with a broader meaning than maker:

maker: a business engaged in manufacturing some product
business concern: a commercial or industrial enterprise and the people who constitute it

Other hypernyms of maker include business, business organisation, business organization, concern.

maker (noun)	business concern (noun)
a business engaged in manufacturing some product	a commercial or industrial enterprise and the people who constitute it
a person who makes things