Preston Aviation Solutions (a Boeing company) was acquired by Jeppesen Optimisation Solutions (also a Boeing Company), and now operates as a site within Jeppesen Australia.
Jeppesen Australia is a operating subsidiary of Jeppesen (a Boeing company).
Preston Aviation Solutions Pty Ltd. provides simulation, decision support, and scheduling systems for the global aviation industry. The company offers software system and services in three categories: airport and airspace solutions, airport terminal solutions, and human resource solutions. The services include software (with updates and upgrades), hardware, implementation, training, maintenance and support, and consultancy services. TPG was established in 1987 and has offices in America, Europe, and Asia-Pacific. As of September 28, 1999, Preston Aviation Solutions Pty Ltd.operates as a subsidiary of The Boeing Company.