VI-grade acquires Concurrent Real-Time VI-grade has announced the acquisition of Concurrent Real-Time, a US provider of high-performance, real-time computational hardware and software solutions, from Battery Ventures, a Boston-based PE firm. The transaction, which values Concurrent at $167m, is in line with VI-gradeâs strategy to enhance and grow its market-leading simulator platform businesses and fully integrate Hardware-in-the-Loop (HiL) technology. Headquartered in Pompano Beach, Florida, USA, Concurrent-RT is a developer and supplier of hard real-time operating systems, software, and hardware that delivers simulation and control platforms for a wide range of mission-critical aerospace and automotive applications. As such, the company shares a number of end-markets with VI-grade where customers demand low-latency real-time solutions involving software-in-the-loop (SiL), hardware-in-the-loop (HiL), and people-in-the-loop (PiL).