Jefferies & Company is a full-service investment bank. It serves clients in the aerospace, defense, health care, consumer, retail, energy and communications industries throughout the world. The company has been in operation for more than 45 years. It offers a variety of institutional brokerage and asset management services. The company also provides securities for institutional investors. Jefferies & Company conducts market research and analysis. It is a member of Securities Investor Protection Corporation. In addition, the company offers a range of investment advisory services. Jefferies & Company is a wholly owned and operated subsidiary of Jefferies Group, which is a publicly traded holding company. The group has annual sales revenue of more than $1 billion.