Billings Flying Service provides heavy-lift helicopter operations and maintenance with a focus on CH-47D Chinook aerial firefighting. It operates the world’s largest civilian-owned Chinook fleet and has specialized CH-47D operations since 2013, serving government contracts (USFS, CALFIRE, Montana DNRC) for firefighting, construction, and utilities. The company runs an FAA Part 145 MRO facility (2019) that services its fleet plus commercial and military customers, specializing in CH-47 drivetrain, dynamics, and hydraulics. In December 2025 BFS joined Quanta Services as the Quanta Aviation Services subsidiary, aiming to access greater resources while maintaining its leadership and culture, with a goal of providing reliable, mission-critical aerial support for public-safety and civil operations.
Company Size
51-200
Company Stage
N/A
Total Funding
N/A
Headquarters
Billings, Montana
Founded
1983
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