ThailandAirGradient builds open-source indoor and outdoor air quality monitors that track PM2.5, CO2, temperature, humidity and other pollutants. The company is known for its open hardware and firmware, letting users build, repair and integrate the monitors with platforms like Home Assistant and its own dashboard. AirGradient appeals to people who want transparent, data-driven air quality monitoring rather than a closed black box.
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United StatesChamberlain is the consumer brand of Chamberlain Group, an Illinois company founded in 1954 and the largest maker of residential garage door openers in the United States, alongside its professional LiftMaster line. Its myQ platform adds Wi-Fi control, activity history and scheduled closing to garage openers, and has since expanded into smart video doorbells and cameras. Devices are managed in the myQ app and integrate with Amazon Alexa, Google Assistant and in-car and delivery services.
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