IGTI's Technical Committees address all areas of technical expertise related to gas turbines.

IGTI's Aircraft Engine Committee promotes knowledge in the field of aircraft gas turbines and related technology.

The Ceramics Committee is to promotes ceramic technology and its application to gas turbine and other heat engines.

IGTI's Coal, Biomass & Alternative Fuels Committee promotes the advancement of technologies needed to convert and use coal, biomass and alternate fuels.

IGTI's Combustion Fuels & Emissions Committee promotes the exchange of gas turbine combustion and fuels information.

IGTI's CDI Committee promotes information related to the development of control, diagnostic and instrumentation systems for gas turbine-driven equipment.

IGTI's Cycle Innovations Committee promotes advances in innovative cycles for power production.

The IGTI Education Committee promotes the international exchange of gas turbine information between educators, researchers, and users.

The IGTI Electric Power Committee promotes information about the application of gas turbines within the electric utility industry.

IGTI's Heat Transfer Committee focuses on heat transfer in gas turbines and represents the gas turbine community to ASME's Heat Transfer Division.

IGTI's Industrial & Congeneration Committee promotes gas turbines within the process and cogeneration industries.

IGTI's MMM Committee focuses on the use of materials, such as the repair & manufacture of coatings and base materials, in gas turbine power plants.

IGTI's Marine Committee focuses on marine gas turbine engines and related systems.

IGTI's Microturbines & Small Turbomachinery Committee promotes information on gas turbines and small turbomachines in propulsion systems.

IGTI's Oil & Gas Applications Committee focuses on gas turbine applications and user experience, including equipment for use on pipelines and other raw hydrocarbon processes.

IGTI's Structures & Dynamics Committee disseminates technology in activities such as vibration, modeling, life management problems, and stress problems.

IGTI's Turbomachinery Committee promotes the exchange of information pertaining to aero/thermodynamics of turbomachines and related components.