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Pirelli, an Italian limited partnership, maker of cables and rubber tyres, of Spezia and Milan
UK subsidiary - see Pirelli
1920 Pirelli transferred its industrial activities to Pirelli SpA of Milan and Societe Internationale Pirelli SA (SIP) of Basle.
1971 Merged with Dunlop Rubber Co to form the world's third largest tyre company after Goodyear and Firestone. The merger was not a takeover by either company, but a joint venture arrangement where each company took minority interests in the other's subsidiaries.