Helicopter MRO Market 2022 by Keyplayers and Vendors:Airbus Helicopters, Leonardo S.p.A, Turbomeca (Safran), Rolls Royce Holdings PLC, Bell Helicopter, Sikorsky Aircraft, MTU Maintenance, Pratt & Whitney, Heli-One, StandardAero, Honeywell Aerospace, RUAG Aviation, Robinson Helicopter, Russian Helicopter, Mid-Canada Mod Center, Transwest Helicopters