This document summarizes 15 Israeli public administration companies in the cleantech sector. The companies are categorized into energy, environment, and water technologies. They provide services and products such as electric vehicle networks, alternative energy harvesting, remote lighting control systems, hybrid water heating, wastewater treatment solutions, water metering, and drinking water contamination detection. The companies offer innovative technologies, products, services, and turn-key solutions focused on clean energy, environmental protection, and sustainable water management.