ABB, Komatsu to collaborate on electrification platform - MINING.COM  We know Sumitomo has close ties to Komatsu Transportation & Construction Systems Business Unit:Major Subsidiaries and Associated Companies-Select from Our Business Units | Sumitomo Corporation  SMS equipment is owned by Sumitomo SMS Equipment  and    SMS adds Komatsu underground mining equipment to portfolio - Canadian Mining Journal   Sumitomo is also working with partner Iamgold on their Cote' gold mine and are using electric equipment.   IAMGOLD CEO gives Cȏté Gold update in Sudbury | The Daily Press (timminspress.com)