ERII vs NN Comparison

Energy Recovery Inc designs and manufactures energy-saving technologies. The firm uses its proprietary pressure exchanger technology to help customers in multiple industries improve their operations and lower their emissions. Using its proprietary technology, it offers energy recovery devices, including pressure exchangers, pumps, and turbochargers, mainly used for seawater desalination and wastewater treatment. Additionally, the company is involved in the development of emerging technologies, such as the PX G1300 used in industrial and commercial refrigeration applications. The firm's reportable operating segments are: Water, which generates maximum revenue, and Emerging Technologies. Geographically, it generates maximum revenue from the Middle East, and the rest from other markets.

NextNav Inc provides GPS service. The company NextNav TerraPoiNT system delivers resilient, next-generation, complementary positioning, navigation, and timing (PNT) solutions designed to overcome the limitations and vulnerabilities of existing space-based Global Navigation Satellite Systems (GNSS), including the Global Positioning System (GPS). The products of the company include NextNav Pinnacle: Accurate vertical location, NextNav 3D: 3D location visualization, NextNav TerraPoiNT: Resilient PNT for 3D and indoor geolocation, Next Generation Solution: Terrestrial 3D PNT powered by spectrum.