Founded in 1990, GulfStar Group is a middle market investment and merchant banking firm headquartered in the Southwest. GulfStar Group has completed more than 575 transactions in various industries having an aggregate enterprise value of more than $12 billion. The firm provides merger and acquisition advisory services, institutional private placements of equity and debt, and general corporate finance advisory services to owners of companies with revenues between $25 million and $350 million dollars. The firm also makes equity and subordinated debt investments and serves as a transaction sponsor on acquisition oriented growth strategies. GulfStar Group invests between $1 to $3 million in companies with revenue or enterprise value in excess of $25 million and EBITDA greater than $2 million. In October 2000, GulfStar Group became a majority-owned subsidiary of International Bancshares Corporation.