Both manufacturer and producer makes, “produces” something. However, not all producers are manufacturers, while a manufacturer is always producer. A manufacturer makes something from raw material. A person, a group or a company making goods through various components, with different operations and the work is divided. While manufacturer is in connection strictly with business and trade, producer can occur at other fields, as well. In economics, it means a person or an enterprise which creates economic value, produces goods or services for sale. In addition, it also means the person who controls the administrative and financial aspects of creating and distributing a movie or a show. Besides, in biology, it refers to green plants or microorganisms that can convert light energy into some kind of organic matter.