Microsoft includes a utility in its Windows Driver Kit (WDK) called USBView:
USBView (Universal Serial Bus Viewer, Usbview.exe) is a Windows
graphical user interface application that enables you to browse all
USB controllers and connected USB devices on your computer. USBView
works on all versions of Windows.
which provides a wealth of information about connected USB devices. It also decodes the vendor ID (image from here):
Install USBView, plug in the USB devices, open USBView and see which manufacturer information is shown in the