Welding adapters are not a specific brand but a category of industrial components used to connect different welding equipment or materials. These adapters are produced by various manufacturers worldwide, such as Lincoln Electric (USA), ESAB (Sweden), and Miller Electric (USA), which specialize in welding technology. They serve industries like construction, automotive, and manufacturing, offering products like torch adapters, cable connectors, and gas fittings to ensure compatibility and efficiency in welding operations.