History dates

1900 Oil Well Supply Co. is founded in Oil City, PA
1902 Aetna Standard is founded in Ellwood City, PA
1914 Sutton Engineering is founded in Bellefonte, PA
1954 Concast AG, Gladwin Corporation, & Millcraft Products are founded
1976 SMS group legal entity is created in the United States
1979 Sutton Engineering is integrated into SMS group
1998 Aetna Standard is merged into SMS group
2002 Acutus Gladwin is acquired by SMS group and merged with Millcraft Products to form SMS Millcraft
2007 Formation of SMS Meer Service Inc
2015 SMS Millcraft & SMS Meer USA merge to form SMS Technical Services
2018 SMS Technical Services and SMS USA LLC merge to form SMS group Inc.
2020 SMS group Inc. and R.L. Best Company enter into a joint venture
2021 Paul Wurth Inc. is integrated into SMS group Inc. with the full acquisition of Paul Wurth into SMS group
2023 SMS Elotherm North America is integrated into SMS group Inc. 
2023 SMS group Inc. fully acquires R.L. Best Company