Harrisburg, which includes the Pennsylvania State Capitol Complex, is the central core business and financial center for the greater Harrisburg metropolitan area. There are over a dozen large neighborhoods and historic districts within the city. Its economy and more than 45,000 businesses are diversified with a large representation of service-related industries, especially health-care and a growing technological and biotechnology industry to accompany the dominant government field inherent to being the state’s capital. National firms either headquartered in the region or with major operations include Ahold USA, Arcelor Mittal Steel, HP, IBM, Hershey Foods, Harsco Corporation, Rite Aid Corporation, Tyco Electronics and Volvo Heavy Machinery. The regions extensive transportation infrastructure has allowed it become a prominent center for trade, warehousing and distribution.