Vacuum brand is a term used to describe the various brands of vacuum cleaners available on the market. Oreck, Dyson, and Hoover are three of the most popular vacuum brands. Oreck is an American company that produces lightweight and powerful vacuums. Dyson is a British company that specializes in bagless vacuums with powerful suction. Hoover is an American company that has been producing vacuums since 1908 and is known for its wide range of products.