Gas Turbine Efficiency Ltd, formerly Gas Turbine Efficiency plc, designs, manufactures and supplies cleantech energy saving and performance solutions to the power generation, and oil and gas industries. It develops and manufactures all products in Jarfalla, Sweden, New York, Florida, and South Carolina and United States of America. The Company�s wholly owned subsidiaries include: Gas Turbine Efficiency AB, which is engaged in Development centre, assembly, manufacturing, sales, Group management; Gas Turbine Efficiency Sweden AB - ABU DHABI, which is engaged in Onshore and Offshore Gas Installations and Fields Services - natural gas and oil well equipment and maintenance; Gas Turbine Efficiency Russia LLC, and Gas Turbine Efficiency Norway AS. On January 19, 2011, the Company sold its aviation business to Pratt & Whitney.