Introl
From Graces Guide
Makers of control valves, including chokes for oil/gas wells.
1967 company founded by Edward Singleton, who had had 18 years experience with a British/American control valve company
1971 George Kent acquired Introl which remained an autonomous company in the Group
1974 the Kent Group was acquired by Brown, Boveri and Co of Switzerland
1985 Brown Boveri was merged with ASEA to form ABB
2000 ABB transferred Introl from the Kent Group to the Vetco division of ABB specialising in sub-sea wellheads and associated equipment.
2005 Introl was purchased from Vetco by Koso of Japan
See Also
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Sources of Information
- History of KosoKent Introl [1]