manufacturer vs producer

manufacturer and producer both are nouns.

Word	Noun	Adjective	Verb	Adverb
manufacturer	Yes	No	No	No
producer	Yes	No	No	No

As nouns, manufacturer and producer are synonyms defined as:

manufacturer (noun)	producer (noun)
a business engaged in manufacturing some product	something that produces
someone who manufactures something	someone who manufactures something
	someone who finds financing for and supervises the making and presentation of a show (play or film or program or similar work)