gremz, Inc.

Update in progress

3150.T (Tokyo)

grems, Inc. operates in Japan's energy solutions and electricity retail sectors. It sells commercial and residential solar power systems, IoT devices, and energy‑saving equipment to businesses, and storage batteries and “electric homes” to general consumers. The company also develops renewable energy projects and sells electricity to businesses. Formerly gremz, Inc., it changed its name to grems, Inc. in June 2025. It was founded in 2005 and is headquartered in Tokyo.