Largest Employers in Cumberland County Pennsylvania Top Employers Cumberland County’s top employers show the wide range of industries that contribute to the economic strength of the region. Our major employers include a mix of government, healthcare, retail, agriculture and transportation and warehousing. View the Top 50 Employers in Cumberland County (pdf). Note: These businesses fluctuate. Source: Center for Workforce Information & Analysis Notable Employers Cumberland County is home to many corporate headquarters and renowned companies. View our most notable below. View data on the largest employers in our surrounding counties.