Alleima is a materials technology company founded in 2022, with headquarters in Sandviken, Sweden, developing and manufacturing advanced stainless steels, special alloys and industrial heating products. Its operations include seamless stainless tubes and precision wire-based medical components, and it serves selected industrial markets worldwide. The company reported approximately 6,800 employees and more than 900 active alloys in its 2025 portfolio.
ISO 9001
AS9100D
DNV
ABS
BV
LR
LLOYDSREGISTER
Quality certification
KanthalFounded in 1931 from Hans von Kantzow’s discovery of the FeCrAl alloy, Kanthal develops industrial electric heating technology and resistance materials for high-temperature manufacturing. Based in Hallstahammar, Sweden, the company maintains its own production chain from melting alloys to finished products and invests 2 percent of turnover in research and development. Its heating materials and systems help industrial customers replace fossil-fuel heating with controlled electric processes.AMHERST, NY
AlkegenAlkegen develops and manufactures high-performance specialty materials, including fiber-based filtration media and engineered thermal materials, for industrial and commercial applications. Formed in 2022 when Unifrax acquired Lydall, the company brings together their material-manufacturing histories and operates more than 60 manufacturing facilities worldwide with over 9,000 employees. Its work spans filtration, insulation, battery technologies, construction materials, and sealing solutions.ALKEGEN 310 320 RUNNING PUMP RD AND 215 WOHLSEN WAY LANCASTER PA, PA
AlkegenFormed in 2022 through the combination of Unifrax and Lydall, Alkegen develops and manufactures specialty materials that insulate, filter, seal and protect in demanding industrial applications. The company’s fiber-based technologies span high-temperature and cryogenic insulation, advanced air and liquid filtration, battery materials, fire protection and engineered gasket systems. With more than 60 manufacturing facilities and over 9,000 employees worldwide, Alkegen brings together deep materials expertise and a history reaching back to 1869.TONAWANDA, NY
Fagersta Stainless ABFagersta Stainless AB is a Swedish operation with a long industrial history: its Fagersta plant was the first in the world to roll stainless-steel wire rod. Today, about 250 employees produce material for industrial customers worldwide, with the company especially known for its Vector® spoke wire for demanding bicycle applications. It is part of Marcegaglia and holds ISO 9001, ISO 14001 and ISO 50001 certifications.CLARKS SUMMIT, PA