Lister Group

1965 Listers was taken over by the Hawker Siddeley Group.
1965 The group consisted of:
1969 On 1st June, Blackstone and Co and Mirrlees National, another Hawker Siddeley diesel company, were merged and the company traded under the name of Mirrlees Blackstone.
1980 Lister Group has 3,000 employees; 80% of production was exported [1].
1986 Merged with Petter Diesels to form Lister-Petter Ltd.
1991 Lister-Petter Ltd was a subsidiary of Hawker Siddeley's general engineering business[2]
- NB prior to the HS take-over, Listers and Blackstone were linked through Lister-Blackstone