Petro Capital Securities specializes in providing debt and equity capital to companies in the energy sector, focusing on exploration and production, midstream, and oilfield services. The firm primarily invests in the United States, offering tailored financial solutions to meet the unique needs of energy businesses.

Notable in their portfolio is Optical Switch, which has raised $58 million. Petro Capital Securities leverages its deep industry knowledge and expertise to support companies throughout the energy value chain, positioning itself as a strategic partner for growth and development in this critical sector.