SLX Group operates internationally, having registered companies in the UK and Germany, a registered branch office in Singapore, and other offices in Spain (covering the Iberian peninsula) and Poland (covering the Baltic states as well as Poland). Of the 24 staff based at the headquarters in the UK, nearly half are from overseas. Companies included within the Group are Simplex-Turbulo Co Ltd, Lincoln Diesels Ltd, Dorman Diesels Ltd, STW GmbH and Simplex Converting Ltd (covering the converting industry). We are the brand owners of Dorman Diesels.