RealtyUSA, located in Hambur, N.Y., is one of the largest independent real estate firms in the United States. It has more than 60 offices throughout New York, including Naples, Florida, and over 2,000 agents and employees. The firm provides a wide range of services, including buying and selling homes, market pricing trends, property searches, loans, home insurance, warranty, rent and relocation services, and insurance. RealtyUSA s Web site provides detailed information about the communities served, including demographics, public school evaluations and all real estate listings. The firm serves clients with personalized customer service, and employs trained agents to meet client s requirements. RealtyUSA was founded in Buffalo, N.Y., in 1959.