Sono SquareLtd. 

Sono Square Co.,Ltd. engages in the purchasing agency business, distribution, and rental business of consumables in South Korea. The company provides MRO services, such as leisure facility materials, construction materials, cleaning supplies, eco-friendly packaging materials, and food materials. It also offers mattresses, frames, beddings, and pillows under the SONO SEASON brand, as well as other accessories, such as phytoncide 3.0 ritual spray, graphyno slip boots, and mélange fleece blankets. In addition, it operates retail distribution stores, as well as online stores. The company was formerly known as Daemyung Sonoseason Co.,Ltd. and changed its name to Sono Square Co.,Ltd. in April 2025. Sono Square Co.,Ltd. was founded in 1972 and is headquartered in Hongcheon-eup, South Korea.