a person, company, or country that makes, grows, or supplies goods or commodities for sale
an oil producer
the firm is the country's biggest producer of fresh eggs
a person responsible for the financial and managerial aspects of the making of a film or broadcast or for staging a play, opera, etc.
a film producer
he's the executive producer of weekday daytime shows
an organism that produces organic compounds from simple substances such as water and carbon dioxide; an autotroph
producers begin food chains which feed all life