UAB Kalvis is one of the largest steel fabrication companies in Lithuania who employs approximately 180 people and having a 13000 m² production area where multiple processes are available under the same roof (machining, welding, painting, assembly, etc.).

Our main activities are the production of heating equipment (our own brand): biomass boilers, industrial boilers, automated heat plant equipment, etc. Besides that, we are also offering steel fabrication services where we have strong experience in mining, wind gears, marine industries (hydraulic and fuel tanks, dust filters, welded and assembled steel constructions, etc.). Our key strengths are top-class welding and extensive experience in complex assembly works. All solutions are developed, produced, and tested in-house to meet the highest efficiency, quality, and environmental standards.