insurance underwriting in the fields of fire, accident, life, marine, medical, disability, health care, fidelity, surety, financial guaranty, flood, earthquake, windstorm, hail, credit, property, casualty, workers' compensation, vehicle, aircraft, boiler and machinery, common carrier, glass, burglary and theft, employer's liability, commercial multiple peril, farm multiple peril, homeowner's multiple peril, business interruption, crop and livestock; reinsurance underwriting; underwriting extended warranty contracts in the fields of automobiles, aviation and appliances; financial services, namely, lease-purchase financing, loan financing, financing services; investment management; assuming financial risk of others by entering into options and swaps