I used to sell electronic components in the 1980 after Uni. I dealt with the Siemens UK head office which was located in Staines., and the receptionist did answer the phone with “good morning, Siemans Staines” One of our competitors was a company called Wayne Kerr (AFAIK named after it’s founder, poor fella) and is still trading.
I had a mate that worked for BJ, well BJ tubular services i think they were called. They used to do stuff for drilling offshore but not seen him or heard of the company for years and this will explain why I’ve not seen the company.