Altisource Portfolio Solutions is an integrated service provider and marketplace for the real estate and mortgage industries. It operates via one reportable segment and engages in three core businesses (field services, marketplace, mortgage and real estate solutions) and other ancillary business. Field services delivers property preservation and inspection services; marketplace provides online real estate auction and brokerage services; mortgage and real estate solutions conducts loan fulfillment, real estate valuation, construction inspection and risk management. Altisource primarily serves financial institutions, government-sponsored enterprises, and originators in the United States, with the majority of revenue flowing from field services and mortgage and real estate solutions.