Alliant Insurance Services is one of the leading distributors of insurance products in the United States. The company, operational since 1925, offers a range of financial products and services for individuals and businesses. It specializes in property and casualty insurance plans. The company offers owner-controlled insurance and employee benefits programs. Alliant Insurance Services serves clients in the energy, marine, health care and construction industries, as well as government entities. The company offers third-party administration, risk management, brokerage and human resources services. It is a privately held business that works with insurance companies throughout the world. Alliant Insurance Services subsidiary includes Alliant Specialty Insurance Services.