USI is one of the largest insurance brokerage firms in the United States and provides general and specialty property and casualty insurance and financial services. The company specializes in providing risk management services for physicians and health care facilities. Its financial services include human resources outsourcing, self-insurance plan design and administration, dental and life coverage, human resources planning, consulting, executive compensation and actuarial services. The firm provides property and casualty coverage for apartments and condominiums, rental equipment, medical professionals, museums, engineers, architects and lawyers. In addition, it provides human resource assistance and long-term care services, as well as communicates with health care providers on issues regarding billing discrepancies. USI maintains a location in Stockton, Calif.