When TOPS class numbers were allocated, these units retained their existing numbers as the last three digits of their new TOPS class number.
British | British Columbia | British Army | Order of the British Empire | British Museum | British Empire | British people | British Raj | British India | University of British Columbia | British Airways | British Council | British Isles | British Indian Army | British Malaya | British Library | British Royal Family | British Armed Forces | British Rail | British and Irish Lions | Rail transport | British Columbia Interior | British Aerospace | British Film Institute | Legislative Assembly of British Columbia | British Academy of Film and Television Arts | light rail | Edmonton Light Rail Transit | British Virgin Islands | British sitcom |