Optical Scientific Inc

Optical Scientific, Inc. (OSi) is a Maryland-based sensor manufacturer founded in 1985. Specializing in non-contact electro-optical devices, OSi provides high-performance sensors for measuring wind, air/gas flow, turbulence, weather, and tank levels. Our rugged, reliable instruments serve critical roles in industries worldwide—from power plants and refineries to airports and ocean buoys. With nearly 30 years of innovation, we offer advanced environmental and weather instruments, modular weather systems, and expert engineering services, all backed by exceptional customer support.