the Greater Syracuse area. The dozens of churches in Syracuse include Seventh-Day Adventist, Eastern Orthodox, Jehovah's Witness, Christian Science, Reformed Presbyterian, and Metaphysical Christian. Buddhism: Buddhism is represented by the Zen Center of Syracuse on the Seneca Turnpike; as well as a center on Park Street, on the city's Northside. Hinduism: Hindu houses of worship include the Hindu Mandir of Central New York in Liverpool. Islam: The Islamic Society of Central New York Mosque is located on Comstock Avenue and Muhammad's Study Group on West Kennedy Street. Judaism: Several synagogues are located in the Syracuse metropolitan area, including Beth Shalom-Chevra Chas, Temple Adath Yeshurun, Shaarei Torah Orthodox Congregation of Syracuse, and Temple Concord, considered the ninth-oldest Jewish house of worship in the United States. Sikhism: The gurdwara is at the Sikh Foundation of Syracuse, in Liverpool. Unitarian Universalism: Two Unitarian Universalist societies in Syracuse: May Memorial Unitarian Society and First Unitarian Universalist Society of Syracuse. Economy Formerly a manufacturing center, Syracuse's economy has faced challenges over the past decades as industrial jobs have left the area. The number of local and state government jobs also has been declining for several years. Syracuse's top employers now are primarily in higher education, research, health care and services; some high-tech manufacturing remains. University Hill is Syracuse's fastest-growing neighborhood, fueled by expansions by Syracuse University and Upstate Medical University (a division of the State University of New York), as well as dozens of small medical office complexes. Steel and iron work Top employers Top employers in the Syracuse region and the size of their workforce include the following: State University of New York Upstate Medical University: 10,959 St. Joseph's Health (Syracuse, New York) (Trinity Health): 4,755 Syracuse University: 4,402 Lockheed Martin Corp.: 4,300 Wegmans Food Markets: 3,713 Crouse Hospital (Northwell Health): 3,100 National Grid USA: 2,200 Carrier Corporation: 1,552 Loretto (elder care services): 1,465 Syracuse VA Medical Center (Veterans Health): 1,400 Bristol-Myers Squibb, founded by alumni of nearby Hamilton College, has a complex in East Syracuse. Syracuse's unemployment rate in August 2017 was 4.6 percent, comparable to the national rate of 4.5. Tallest buildings Since 1927 the State Tower Building has been the tallest in Syracuse. Neighborhoods The City of Syracuse officially recognizes 26 neighborhoods within its boundaries. Some of these have small additional neighborhoods and districts inside of them. In addition, Syracuse also owns and operates Syracuse Hancock International Airport on the territory