There are companies such as Schneider, Ankerui, Siemens, Delixi, and Socomec. Schneider, Siemens, and Socomec are internationally renowned brands. Schneider is more famous in China, especially in providing complete solutions for energy consumption management in factories and buildings.

Ankerui is a well-known brand in the domestic power instrument industry. It places power meters at the smart grid user end and is the first to propose dividing power meters into three categories, namely power monitoring and protection meters, Power management instruments, electrical safety instruments. It can provide power monitoring and power management solutions, large public building energy consumption monitoring solutions, photovoltaic power generation monitoring solutions, Internet of Things (zigbee) wireless energy management solutions, and electrical fire monitoring solutions for users such as industrial and mining enterprises, buildings, and infrastructure.

Delixi is a well-known comprehensive electrical group company in China, but its advantages in power instruments are not obvious.