AlliedBarton Security Services mission is to win the customer for life. The company, an alliance between Allied Security and Barton Protective Services, is a premier provider of security officer services. It provides quality security based on client specification and a pledge of partnership, commitment and continuous improvement. AlliedBarton Services include security officer screening, training, supervision and management, officer compensation and benefits, transition planning, post orders, support services, safety programs and insurance programs. Headquartered in King of Prussia, Pa., AlliedBarton Security Services serves more than 100 Fortune 500 companies through approximately 60 offices throughout the United States, including a location in San Francisco.