# Jet Support Services, Inc. (JSSI)

> JSSI provides independent maintenance programs, software, parts, engine rentals and financing for business aircraft. Owners and operators use its hourly cost coverage to plan maintenance spending, while Traxxall, Conklin and its parts and capital businesses support decisions throughout aircraft ownership. The company reports more than 6,500 aircraft supported across its programs and software platforms.

- **Founded:** 1989
- **Headquarters:** Chicago, United States
- **Founders:** Louis C. Seno (Co-founder; chairman emeritus)
- **Products:** Hourly Cost Maintenance Programs, Tip-to-Tail, Parts & Engines, Conklin, Traxxall
- **Notable:** Introduced independent hourly maintenance programs in 1989., Introduced Tip-to-Tail coverage in 1997., Received a Deloitte US Best Managed Company award in 2019, according to its corporate timeline.

## Products & services

- **Hourly Cost Maintenance Programs** — Contract-based hourly maintenance coverage for engines, airframes and APUs, with technical event support. Coverage depends on the selected agreement.
- **Tip-to-Tail** — Combined engine, airframe and APU maintenance coverage under one program.
- **Parts & Engines** — Aircraft parts sales, exchanges, procurement and maintenance-event support, plus engine and APU rentals. PartsHub provides online inventory access.
- **Conklin** — Aircraft operating cost and performance comparison data, appraisals, asset inspections and advisory services. Acquired Conklin & de Decker in 2018.
- **Traxxall** — Subscription software for maintenance forecasting, compliance records, work orders, inventory and purchasing, supported by maintenance analysts. Acquired in 2021.
- **AviatorMX** — Simplified maintenance tracking for Part 91 owner-operators of light jets and turboprops.
- **Aviation Capital** — Asset-based aircraft loans, finance leases, operating leases, sale-leasebacks and short-term financing. Formed following the Shearwater Global Capital acquisition.

## Achievements

- Introduced independent hourly maintenance programs in 1989.
- Introduced Tip-to-Tail coverage in 1997.
- Received a Deloitte US Best Managed Company award in 2019, according to its corporate timeline.
- Reports more than 6,500 aircraft supported across programs and software platforms.
- October 2026 Parts & Engines announcement reports more than $240 million in inventory and a rental pool exceeding 120 engines and APUs.

## Latest updates

- **2026-10** — October 14: Parts & Engines announced Sensos live tracking on eligible critical shipments at no additional customer cost.
- **2026-10** — October 1: JSSI published a Traxxall maintenance-compliance explainer for Bombardier Challenger and Global aircraft, reporting 4,500+ supported aircraft and 15,000+ users.
- **2026-03** — March 2: announced a new logo, website and five-division brand structure.
- **2024-12** — December 10: Blackstone announced more than $1 billion in new financing supporting JSSI’s recapitalization.

## Links

- Website: https://jetsupport.com/
- LinkedIn: https://www.linkedin.com/company/jetsupportservices
- Twitter/X: https://twitter.com/jssi
- YouTube: https://www.youtube.com/@jetsupportservices/videos
- Instagram: https://www.instagram.com/jetsupportservices/
- Facebook: https://www.facebook.com/Jet.Support.Services/

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Profile page: https://yespress.io/jet-support-services-inc-jssi
Published by YesPress — https://yespress.io
Last updated: 2026-10-16