OESX vs NEPH Comparison

Orion Energy Systems Inc is engaged in light-emitting diode lighting systems, wireless Internet of Things-enabled control solutions, project engineering, energy project management design, maintenance services, and turnkey electric vehicle charging stations and related installation services to commercial and industrial businesses, and federal and local governments, predominantly in North America. The group has three segments: the Orion lighting segment, the Orion maintenance segment, and the Orion electric vehicle charging segment. It generates the majority of its revenue from the Orion lighting segment, which develops and sells lighting products and provides construction and engineering services for Orion's commercial lighting and energy management systems.

Nephros Inc is a commercial-stage company that develops and sells high-performance water solutions to the medical and commercial markets. In medical markets, it sells water filtration products and waterborne pathogen detection products. In commercial markets, the company manufactures and sells water filters that improve the taste and odor of water and reduce biofilm, bacteria, and scale build-up in downstream equipment. The company's subsidiary is engaged in the development of its second-generation hemodiafiltration system and other products focused on improving therapies for patients with renal disease. The company generates almost all of its revenue from product sales and a small amount from royalty revenue and other revenues.