Pandrol
Pandrol is a global rail technology company, founded in 1953 and operating in over 100 countries worldwide, with over 400 railway systems having adopted its products. A member of the Delachaux Group, Pandrol is based in Colombes, France and has 1700 employees globally in over 40 locations. In 2020, they achieved a turnover of £60.9M. Pandrol primarily manufactures rail fastenings, which are used to fasten rails to railway ties. They are also an industry leader in aluminothermic welding, whereby metals are rapidly heated to repair and connect pieces of rail. Pandrol designs, develops and manufactures a variety of  equipment to make constructing and maintaining railways more efficient. Overview. The Pandrol clip was patented in 1957 by a Norwegian railways engineer, Per Pande-Rolfsen. It is now common worldwide. The original clip is now called the PR-clip, which was superseded by a system called E-Clip.