Investment in Leading Provider of Highly Engineered Components and Enclosure Solutions for Defense and Critical Industrial Applications New York, NY – (January 4, 2021) – JLL Partners (“JLL”), a New York based private equity firm, has acquired Jonathan Engineered Solutions (“JES” or the “Company”), a provider of ruggedized enclosures, slides, and vibration isolators that protect critical electronic systems operating in challenging environments. With a legacy that spans nearly