gremz,Inc. is primarily engaged in providing consulting services, various products and services related to electric power, as well as development of renewable energy. The Company operates in three business segments. The Energy Cost Solution segment is engaged in the proposal of energy cost reduction for corporations, the sale of light-emitting diode (LED) lighting equipment, and electricity retail business. The Smart House Project segment sells products that reduce environmental impact such as household solar power generation systems and storage batteries, as well as development of renewable energy. The Incubation segment is engaged in finding out new business, the sale of products through Website.