Unum Group is a company that specializes in employee benefits products and services. It operates in five segments: Unum US, Unum International, Colonial Life, Closed Block, and Corporate. The Unum US segment comprises long-term and short-term disability, medical stop-loss, fee-based service, individual disability, voluntary benefits, and dental and vision products. The Unum International segment offers individual and group long-term disability, group life, dental, and critical illness coverage. The Colonial Life segment provides accident, sickness, disability, life, cancer, and critical illness insurance products. The Closed Block segment focuses on group and individual long-term care, individual disability, group pensions, reinsurance pools, and other insurance coverages. The Corporate segment includes investment income on corporate assets, interest expense on corporate debt, etc.