Adapter plugs are not a specific brand but a category of electrical accessories used to connect devices with different plug types or voltage requirements. They are produced by various manufacturers worldwide, including companies like Leviton (USA), Schneider Electric (France), and Legrand (France). These products primarily serve the industrial, commercial, and consumer electronics sectors, enabling compatibility between equipment and power outlets across regions. Common types include travel adapters, voltage converters, and industrial plug adapters, often featured on industrial supply platforms like Grainger and Radwell.