Centro Elettrotecnico Sperimentale Italiano, a company that provides testing and certification services, energy consultancy, engineering and technology consulting for the electricity sector worldwide.
China Electronics Standardization Institute, an institute for standardization in electronics and IT industry authorized by the Chinese Ministry of Information Technology Industry for adoption and enforcement of national informations standards
Common Enterprise Streaming Infrastructure, a standard for the reliable optimization of video delivery from any source, scalable over time without costly and labor-intensive network upgrades, meeting or exceeding enterprise security requirements.