Viafin Service Oyj provides industrial maintenance services in Finland. It provides pipeline maintenance services, including industrial pipework, annual maintenance and shutdowns, mechanical welding works, and pressure equipment and tanks; and industrial maintenance and servicing, expert services, contract maintenance, and installation, machining services, and equipment relocations. The company also offers wind turbine maintenance services, such as maintenance for wind turbines, as well as routine maintenance of wind turbines; shaft replacements and bearing replacements for gearboxes; powertrain inspections, alignments, and endoscopic inspections of gearboxes; yaw drive refurbishments and replacements; refurbishments and replacements of nitrogen accumulator; inspections and tightening of bolt joint; acceptance inspections for wind turbines; and warranty expiration inspections for wind turbines. In addition, it provides gas system maintenance services for gas filling stations, and transmission, distribution, and utilization pipelines; calibration and maintenance services; and biogas plants maintenance services, as well as designs gas systems and pipelines. Further, the company offers hydrogen gas. The company was incorporated in 2017 and is based in Kurikka, Finland. Viafin Service Oyj operates as a subsidiary of Viafin Oy.