ERII vs APEI Comparison

Energy Recovery Inc is an engineering-driven technology company. It is engaged in engineering, designing, manufacturing and supplying solutions that make industrial processes more efficient and sustainable. The company operates in three segments, Water, Emerging Technologies and Corporate. It offers energy recovery devices (ERDs) and pumps as well as related products and services to the reverse osmosis desalination market. The company derives a majority of the revenue from the Water segment. Geographically, the company operates in the U.S. and other international countries.

American Public Education Inc provides online and campus based postsecondary education including various undergraduate and graduate degree programs. The fields of study include business administration, health science, technology, criminal justice, education, liberal arts, national security, military studies, intelligence, and homeland security. There are three reporting segments: the American Public University segment which is the key revenue generator; the Rasmussen University Segment and the Hondros College of Nursing segment. The revenue is generated from net course registrations and enrollment, tuition rate, net tuition, and other fees.