|Oil Well Supply Co. is founded in Oil City, PA
|Aetna Standard is founded in Ellwood City, PA
|Sutton Engineering is founded in Bellefonte, PA
|Concast AG, Gladwin Corporation, & Millcraft Products are founded
|SMS group legal entity is created in the United States
|Sutton Engineering is integrated into SMS group
|Aetna Standard is merged into SMS group
|Acutus Gladwin is acquired by SMS group and merged with Millcraft Products to form SMS Millcraft
|Formation of SMS Meer Service Inc
|SMS Millcraft & SMS Meer USA merge to form SMS Technical Services
|SMS Technical Services and SMS USA LLC merge to form SMS group Inc.
|SMS group Inc. and R.L. Best Company enter into a joint venture
|Paul Wurth Inc. is integrated into SMS group Inc. with the full acquisition of Paul Wurth into SMS group
|SMS Elotherm North America is integrated into SMS group Inc.
|SMS group Inc. fully acquires R.L. Best Company