Established in 1905, First MainStreet Insurance offers a range of insurance solutions for businesses and individuals. It provides access to several financial carriers, including Acuity, Aetna, Allied Insurance, American Medical Security and Chubb Group. The company serves the manufacturing, automotive, financial, retail, technology, real estate and trucking industries and is located in Longmont, Colo. First MainStreet Insurance offers property, workers compensation, general liability and bond insurance. Its personal insurance products cover automobiles and homes. The company also offers individual financial life plans to cover health care costs. First MainStreet Insurance s professional liability insurance is suitable for architects, environmental consultants, nurses and property managers. The company additionally provides compliance check services that focus on risk management techniques and employer implementation strategies.