Unum Group and its insurance and non-insurance subsidiaries, operate in the United States, the United Kingdom, and, to a limited extent, in certain other countries worldwide. The principal operating subsidiaries in the United States are Unum Life Insurance Company of America (Unum America), Provident Life and Accident Insurance Company (Provident), The Paul Revere Life Insurance Company (Paul Revere Life), and Colonial Life & Accident Insurance Company, and in the United Kingdom, Unum Limited. It is a provider of disability insurance products in the United States and the United Kingdom. The Company also provides a portfolio of other insurance products, including employer- and employee-paid group benefits, life insurance, long-term care insurance, and other related services. The Company operates in three main segments: Unum US, Unum UK and Colonial Life. Its other segments are the Individual Disability - Closed Block segment and the Corporate and Other segment.