J.F. LEHMAN & COMPANY, LLC

J.F. Lehman & Company is a private equity firm and alternative asset manager established in 1992. The firm's core mission is to invest in middle-market companies operating within the aerospace, defense, maritime, government, environmental, and infrastructure industries. Headquartered in New York, NY, with an additional office in Washington, D.C., J.F. Lehman & Company focuses on sectors characterized by complexity and regulation, leveraging deep industry expertise and an extensive network of relationships.

The firm's services encompass both private equity investments and credit strategies. It targets companies that possess specialized technology and engineering capabilities, often serving government customers or operating in capital-intensive environments. J.F. Lehman & Company's investment approach emphasizes proactive deal origination and strategic acquisitions to foster growth and enhance value within its portfolio companies.

In recent news, J.F. Lehman & Company closed its JFL Equity Investors VI fund at $2.23 billion in December 2024 and is currently targeting $2.75 billion for its seventh flagship fund, JFL Equity Investors VII, as of March 2026. The firm expanded its environmental services platform in January 2026 through the acquisition of Reclamation Technologies USA, LLC and Tradewater LLC & Affiliates, and also acquired Wellman Dynamics in the same month. Additionally, Doncasters, a portfolio company, successfully completed an IPO and listed on the NYSE under the ticker "DPC" in June 2026. The firm, which manages over $9 billion in assets, also announced several leadership promotions in February 2026, including Michael S. Friedman, William J. Hanenberg, and David F. Thomas to Partner, Private Equity.