ISO 3780:2009规定了标识符的内容和结构，以便在全球范围内确定道路车辆制造商的标识。世界制造商标识符（WMI）构成ISO 3779中描述的车辆识别号（VIN）的第一部分。 ISO 3780:2009适用于ISO 3833中定义的机动车、牵引车、摩托车和轻便摩托车。

ISO 3780:2009 specifies the content and structure of an identifier in order to establish, on a world-wide basis, the identification of road vehicle manufacturers. The world manufacturer identifier (WMI) constitutes the first section of the vehicle identification number (VIN) described in ISO 3779. ISO 3780:2009 applies to motor vehicles, towed vehicles, motorcycles and mopeds as defined in ISO 3833.