Another son, George Edwards joined the partnership in 1890. In 1898, they bought their first seat on the New York Stock Exchange. George Edwards took over the company in 1891 and became the first president of the St. Louis Stock Exchange. His brother, Albert, became president in 1919.

During World War I, A. G. Edwards helped promote the sale of Liberty Bonds to investors to help finance the war effort. The company survived the stock market crash of 1929 and helped regain the confidence of investors by encouraging people to invest again in stocks through its "Buy a Share in America" program.

In November, 1971, A. G. Edwards was one of the first brokerage firms to go public by selling 445,000 shares at $12 a share.

As of 1999, the firm had over 6,500 employees and 600 branches. Approximately 25% of its employees work in the St. Louis headquarters. A.G. Edwards is one of only five companies to be listed all seven years by Fortune Magazine as one of the "100 Best Companies to Work for in America". [St. Louis-Home on the River, p. 254, http://agedwards.com/public/aboutage/history]