Chattanooga has beverage distributors in operation. This may refer to both alcoholic and non-alcholic beverages, but is usually used for the former. A number of employees of varying types, with different specializations work in this industry. The distributor services are usually the result of a contract between the distributor and the producer. A number of services may be offered in Chattanooga, such as sales, including categories, brands, promotions, and training, delivery services to wholesalers and retailers, customer service, merchandising, graphics and advertisment campaigns and others. The workforce comprises pre-sales personnel, drivers, marketing managers, administration, accounting, human resources and logistics personnel. Thus, it offers a complete package to facilitate the transfer of goods from producer to consumer. High tech advancements such as sales tracked on handheld computers, onboard GPS tracking devices for the delivery trucks etc. have helped make this sector more efficient and quicker.