Eagle Filters Group Oyj is a Finnish industrial company that manufactures gas turbine air intake filters for the energy and process industries, energy-saving and filtration efficiency-enhancing fibre solutions for industrial and building applications, and FFP2/FFP3 respirators for healthcare professionals and industry. The company was formerly an investment and development company, investing in clean technology and natural resources efficiency companies. In 2021, the company made a strategic decision to focus and transform Loudspring from an investment company to an industrial company built around Eagle Filters. In September 2021, the company acquired the remaining 15% of Eagle Filters Oy from its founder Juha Kariluoto. The decision meant that gradually all available resources of the company will be used to support the growth of Eagle Filters and the other holdings will be sold within a reasonable period of time. The company changed its name from Loudspring Plc to Eagle Filters Group Plc at the 27 October 2022 general meeting and began listing under the new name and trading symbol 14 November 2022 Nasdaq Nordic First North Finland and Nasdaq Nordic First North Sweden. Wikipedia