SJE, Inc. (SJE Rhombus / Primex)

SJE Inc. is a controls technology company founded in 1975, with operations serving the United States, Canada, and global markets. Through divisions including CLT, ECS, and CCS, and brands such as SJE Rhombus and Primex, it provides control panels, liquid-level sensors, alarms, remote monitoring, SCADA and telemetry solutions, systems integration, and engineering services for pumping, water and wastewater, and other applications.