Jetsupport

JSSI is an independent provider of hourly cost maintenance programs for business aviation, covering engines, airframes, and APUs across 300+ aircraft makes and models. It offers a portfolio of related services including maintenance tracking software (Traxxall), parts and engine sales, aircraft cost data (Conklin), and asset-based financing, supporting over 6,500 aircraft. Headquartered in Chicago and founded in 1989, it is backed by institutional investors GTCR, Genstar Capital, and Blackstone.