Founded in 1999, Marathon Capital is an investment bank and financial advisory firm headquartered in Chicago, Illinois that delivers financial services and products to the global energy and infrastructure markets. The firm serves power producers, utilities, government entities, oil and gas companies, and energy service providers focused on buying, selling, capitalizing, leveraging, and restructuring. Marathon Capital's services include asset sales and mergers, sourcing of equity, mezzanine, joint ventures, and senior project debt, principal investments, and fairness opinions.