Motorola, now owned by Lenovo, developed and manufactured the original Droid phone in 2009. It was a popular and influential phone, running Google's Android operating system.
However, the "Droid" name has since been used for various subsequent Android phones made by different manufacturers, like Samsung and HTC.
So, while the original Droid was made by Motorola, the name "Droid" has become associated with a variety of Android phones from different manufacturers.