HBM Holdings, an investment management firm, completed the acquisition of Control Devices, a designer and manufacturer of highly engineered flow-control products, from Goldner Hawn, a private equity firm. Financial terms were not disclosed. “We are excited to become part of the HBM portfolio. HBM is the right owner for us. HBM’s buy-and-build approach will accelerate our growth strategy, and takes our ability to serve customers to the next level,” Scott Kerns, Control Devices CEO.