Wärtsilä Oyj Abp is a Finnish industrial group specializing in advanced technologies and complete lifecycle solutions for the marine and energy markets. Founded in 1834 and headquartered in Helsinki, ... Wärtsilä Oyj Abp is a Finnish industrial group specializing in advanced technologies and complete lifecycle solutions for the marine and energy markets. Founded in 1834 and headquartered in Helsinki, it is recognized as a global leader in the design, manufacture, and servicing of power sources, including flexible engine power plants, energy storage systems, and hybrid technologies. Wärtsilä’s operations span both the marine segment—where it supplies propulsion systems, digital control platforms, and decarbonization solutions for vessels ranging from cruise ships to offshore platforms—and the energy segment, where it delivers engine and hybrid power plants, energy management software, and decarbonization expertise for utilities and industrial customers. The company also provides a comprehensive suite of after-sales services such as maintenance, spare parts, upgrades, and technical support. With a workforce of over 18,000 employees in more than 80 countries, Wärtsilä plays a vital role in facilitating the transition to sustainable energy and shipping, and has been internationally recognized for its innovation and influence within the industrial machinery and equipment sector.