OppenheimerFunds began as an investment advisor under the name Oppenheimer Management for one mutual fund, the Oppenheimer Fund. The Oppenheimer Fund was first offered to the public in April 1959. By 1981, the company had emerged as a major financial player in the fund industry with more than $4.2 billion under management. The company, which has acquired other funds throughout the nation, offers clients a product line that includes mutual funds, variable annuities and qualified retirement plans. OppenheimerFunds also provides award-winning shareholder services to Oppenheimer investors through its Denver-based OppenheimerFunds Services division. The company maintains an office in Englewood, Colo.