OPRA is one of the top gas turbine manufacturers in the world. Below you will find a list of gas turbine manufacturers that also create turbines. OPRA is one of the few that uses the OPtimal RAdial technology for increased efficiency.
Ansaldo Energia
AEG
Allison Engine Company
Alstom
Ansaldo Energia
Aviadvigatel
Avio
AzarAb Industries
Bharat Electronics Limited
Bharat Heavy Electricals Limited
Capstone Turbine Corporation
Centrax Gas Turbines
Doosan Heavy Industries & Construction
Gas Turbine Research Establishment
GE Aviation
GE Power
GKN
Godrej & Boyce
Hanwha Techwin
Hindustan Aeronautics Limited
IHI Corporation
International Aero Engines
Ivchenko-Progress
Japanese Aero Engine Corporation
JSC Kuznetsov
Kaluga Turbine Plant
Kawasaki Heavy Industries
Klimov
Kuznetsov Design Bureau
Larsen & Toubro
Machin Sazi Arak
MAN Energy Solutions
MAN Turbo
MAPNA Group
Mitsubishi Heavy Industries
Motor Sich
MTU Aero Engines
NPO ELSIB
Omsk Engine Design Bureau
Power Machines
Pratt & Whitney Canada
Price Induction
Proton-PM
Reliance Group
Rolls-Royce Deutschland
Rolls-Royce Holdings
Ruston (engine builder)
Saab AB
Safran Aircraft Engines
Safran Helicopter Engines
SAHA (Iran aviation)
Salyut Machine-Building Association
Siemens Energy
Solar Turbines – Caterpillar
UEC Saturn
UEC-Perm Engines
United Engine Corporation
Volvo Aero
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