- EXSEN Inc.
- CO2 Sensor, CO2 Sensor Module, Air Quality Meter, Indoor Mood Lamp.
- Address:#501, Hanbat Culture-leading Center(HBCC) 705, Gwanpyung-dong, Yuseong-gu Daejeon 305-509 Korea
- S G Realtekh Inc
- Indoor Plants,Organic Fertilizer,Biodegradable Pots,Pulse Oxymeter,air quality monitor.
- Address:6393 E Washington Blvd