Travelers The Travelers Group is one of the world's largest full-service financial group of companies, originally a life and property insurance company; after the acquisition of the U.S. investment bank - Smith Barney (Smith Barney), its business expanded to investment banking, commercial credit, financing services, etc.; in 1987, the acquisition of the merger In 1987, it acquired and merged with Primerica Corporation; in 1993, it acquired The Travelers Corporation and changed its name; in 1997, it merged with Salomon Brothers, the fifth largest investment bank in the United States, and became the second largest investment bank in the United States. In 1998, it merged with Travelers Group, the largest corporate merger in the history of the United States, and after the merger, it was renamed Citigroup with the logo of the red umbrella of Travelers Group, becoming the first financial group in the history of the United States to integrate commercial banking, investment banking, insurance, mutual funds, securities trading and other financial services. In 1997, the world's top 500 financial group ranked 58th, jumped to the 16th in 1998.