Brentwood is located in the county of Suffolk. It covers a total area of 26.1 sq. km. The economy of the city revolves around industries involved in advertising, aviation, arts and crafts, automotive, construction, apparel, information technology, finance, insurance, pharmaceuticals, real estate, telecommunication and tourism. Commercial spaces are utilized by yogurt shops, wine retail shops, variety stress, thrift shops, seafood restaurants, recreation centers, public libraries, public schools and fast food restaurants.