World Manufacturer Identifier Consultancy Services. Globally, automotive manufacturers utilize a numbering system called the Vehicle Identification Number (VIN) to uniquely identify a vehicle. The VIN comprises of 17 characters that uniquely identifies the vehicle as provided in ISO 3779 and ISO 4030. The first 3 characters of VIN that uniquely identifies the manufacturer of the vehicle is called the World Manufacturer Identifier (WMI). The next 6 characters of VIN is known as the Vehicle Descriptor section and the last 8 characters is known as the Vehicle Indicator Sector.
