Submer is a global tech company, founded 2015, that provides innovative liquid immersion cooling solutions for data centers to boost efficiency, reduce costs, and enable sustainable digital infrastructure, especially for high-demand workloads like AI and HPC, offering everything from hardware (SmartPods) to full-stack services, aiming to create "Datacenters That Make Sense". They specialize in putting IT hardware directly into a special dielectric fluid, drastically cutting energy use and footprint.