6 . Domestic Express : It is a priority delivery service for sending documents , letters , e . t . c . within the next business day . The professional courier tracking online supports these services .
7 . Air Cargo : Bulk consignments , packages and cargo are sent through Air cargo service .
8 . Global and Universal Express : Documents and Cargo packages are delivered around the world through air . There are a few other services , but these are the popular ones .