Jet Support Services, Inc. (JSSI) Email Format

Financial ServicesIllinois, United States501-1000 Employees

Jet Support Services, Inc. (JSSI) is a Chicago-based financial services company focused on the business aviation sector. It provides hourly-cost maintenance programs for engines, airframes, and APUs across more than 300 aircraft makes and models, helping owners stabilize maintenance budgets and maximize aircraft availability. The company supports more than 6,500 aircraft through its programs and software platforms.

The company complements its core maintenance programs with Traxxall maintenance tracking, parts and engines, Conklin data, and aviation-capital asset-based financing to simplify ownership, planning, and financial management. It serves owners, operators, and maintenance teams in the business aviation market and is positioned as the largest independent provider of hourly maintenance programs in the sector. Based in Chicago, JSSI has pursued recent leadership appointments in Europe and launched a redesigned website in 2026.

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