EKO Instruments, established in 1927 in Osaka, Japan, is a leader in environmental and scientific measurement, renowned for nearly a century of innovative solutions. As one of Japan's pioneering meteorological instrument manufacturers, EKO has set industry standards with its extensive range of instruments, including solar energy assessment tools, advanced UV radiometers, and greenhouse gas analyzers. The company is distinguished for being the first Japanese maker of pyranometers and the first ISO/IEC 17025-certified solar sensor manufacturer. EKO operates its own photovoltaic parks, reinforcing its commitment to sustainability and renewable energy development, generating approximately 2.8 MWh annually.

With a global presence, including offices in the United States, India, and Europe, EKO delivers state-of-the-art solutions designed for various applications—from renewable energy to material characterization in industries like food and pharmaceuticals. Driven by a customer-centric approach, EKO is focused on continuous research and development, proactively addressing industry challenges while paving the way for a sustainable future as it looks toward its centennial celebration in 2027.