Castronics Sold to Inspection Oilfield Services, a Portfolio Company of Calvert Street Capital Partners

Castronics is a leading provider of American Petroleum Institute (API)-certified premium tube threading, perforating, rework, and refurbishment services in the Rocky Mountain and Upper Midwest regions, serving many of the most active oil and gas basins in the region.  As the only independent API-certified threading service provider in a 500-mile radius, Castronics is the “gateway” to the oil and gas plays in the Upper Midwest and Rocky Mountains.