J.F. Lehman & Company, a middle-market private equity firm, completed the investment in Trillium Engineering, a designer and manufacturer of highly engineered camera gimbals for unmanned aerial systems. Financial terms were not disclosed. "J.F. Lehman & Company represents strong alignment with our goal to partner with a firm possessing the experience and track record to support our continued technical and commercial evolution. We look forward to leveraging the firm's unique sector expertise as we continue to provide our customers with innovative solutions that meet and exceed their ever-evolving mission requirements," Rob Gilchrist, Trillium President.