© Isha Bhargava/ CBC News 3M's London, Ont., manufacturing plant employs approximately 150 people. The head of 3M announced Tuesday that poor returns this past year means the U.S.-based company will cut 2,500 manufacturing jobs, but hasn't yet provided details on whether Canadian workers will be impacted. 3M Canada also has plants in Perth, Ont., Manitoba and Quebec. No word yet on impact on 1,800 workers in CanadaMinnesota-based 3M employs 95,000 people worldwide. There are 150 employees at the London manufacturing facility — one of eight manufacturing facilities in Canada — where products such as adhesives and abrasives are produced.