Amazon could be considered the king of smart home device retailing. Amazon's smart home dominance includes a wide range of integrated products and services.
Best Buy is a retailer at the top of the list when people think of buying a connected home device.
In addition to being a top smart home shopping destination, Walmart is investing in IoT to add efficiency to its business operations.
Home Depot has free online tools that help customers find smart home products that work with home automation systems.
Lowe's has a comprehensive list of hundreds of home improvement smart products, both in its online and physical stores.
Target, one of the world's top retailers, is known to be a great place to shop for smart devices at affordable prices, capturing a healthy amount of the smart home market.
The company also markets Google Home, a line of smart speakers integrated with Google and third-party services, including voice-controlled home automation.
Smart speakers are only a small part of the overall businesses of Amazon and Alphabet, but Sonos is more of a pure play on smart home devices.
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