GMSL is the market leader in gas & power scheduling software, 24/7 managed services and communications for the energy trading industry. From our off­ice in Cambridge, we work with more than 80 leading energy companies across over 30 gas and power markets, streamlining business processes. Companies can rely on GMSL’s expertise, built up over 25 years of operations, where our mission is to enable easy access to the energy markets, through high-quality software and 24/7 operations.