PricewaterhouseCoopers is one of the leading Fortune 500 companies in the United States. Operational for more than 100 years, the company offers expertise in assurance, tax and advisory services to public and private clients. Headquartered in Pittsburgh, it has branch locations in more than 150 countries worldwide. A network of more than 20 industry-specialized practices, it provides services in the fields of human resources, transactions, performance improvement and crisis management, and client and stakeholder issues. The company serves several industries, such as aerospace, automotive, banking, chemicals, nonprofit, energy, utilities and mining, engineering and construction, entertainment and media, forest, paper and packaging, health care and educational institutes, industrial manufacturing, and pharmaceuticals. Additionally, PricewaterhouseCoopers specializes in internal audit solutions, performance improvement, actuarial and insurance management, corporate governance, government services, employee communications, health and welfare, international assignment solutions, and retirement benefits services.