Isère-based SME D.A.T.E., a manufacturer of heat exchangers, made its stock market debut on Thursday, bringing to the public markets a technology deemed “critical” for the defense sector. The company specializes in thermal management solutions for demanding applications, including cryogenics, quantum computing, and data centers. It has disclosed a commercial pipeline “exceeding €80 million over the next five years,” signaling strong forward visibility. The listing underscores growing investor interest in niche industrial technologies that support defense infrastructure, advanced computing, and the cooling needs of next-generation data centers.