Breadcrumb Corporate Newsroom Press Releases STEF Expands Geographic Coverage To The UK With Acquisition Of Langdon Group Ltd. Acquisition/Joint-venture 19/10/2021 STEF expands geographic coverage to the UK with acquisition of Langdon Group Ltd. STEF and Nagel-Group signed an agreement regarding the acquisition of Langdon Group Ltd. by STEF. STEF expands geographic coverage to the UK with acquisition of Langdon Group Ltd. Download the press release (pdf, 140.14 KB)