Description Detwiler Fenton (formerly Detwiler, Mitchell & Co.) performs wealth management and equities research services. Focusing on private clients, the company provides brokerage, portfolio management, mutual funds, and alternative investments. Its institutional research department specializes in the communications, manufacturing, software, and semiconductor industries. Subsidiary James Mitchell & Co. offers insurance, annuities, investments, group benefits, and retirement planning to individuals and small businesses. Messrs. Detwiler and Fenton control Detwiler Fenton.