J.F. Lehman & Company
According to the company's website, J.F. Lehman & Company is a private equity firm focused "exclusively on investing in companies in the defense, aerospace and maritime industries and companies using the technical capabilities that originate from these sectors...To date, the firm has acquired approximately 60 operating entities within 24 platform investments with an aggregate transaction value of approximately $3.1 billion."
Letter to J.F. Lehman and Company sent 10/19/2018.