DealsGryphon completes sale of electrical testing firm Shermco to Blackstone for $1.6bnGryphon invested in Shermco in 2018.ByIris Dorbian27 October 2025•1 min readJavaScript is required to read this article. Please enable it in your browser and reload the page.DealsNorth AmericaUSEnergy / oil & gasNatural ResourcesBriefs