All mail delivery companies

Here is a list of some of the major mail delivery companies around the world:

International Mail Delivery Companies:

1. United States Postal Service (USPS) - USA
2. Royal Mail - UK
3. Canada Post - Canada
4. Australia Post - Australia
5. Deutsche Post DHL Group - Germany
6. La Poste - France
7. PostNL - Netherlands
8. Swiss Post - Switzerland
9. Japan Post - Japan
10. China Post - China
11. Hong Kong Post - Hong Kong
12. Singapore Post - Singapore
13. India Post - India
14. South African Post Office - South Africa
15. New Zealand Post - New Zealand

Regional Mail Delivery Companies:

1. Correos - Spain
2. Poste Italiane - Italy
3. Österreichische Post - Austria
4. Deutsche Post AG - Germany (regional)
5. Post Danmark - Denmark
6. Posten Norge - Norway
7. Posti - Finland
8. Latvijas Pasts - Latvia
9. Lithuanian Post - Lithuania
10. Estonian Post - Estonia

Private Mail Delivery Companies:

1. FedEx - USA
2. UPS - USA
3. DHL - Germany
4. TNT Express - Netherlands
5. Aramex - UAE
6. J&T Express - Indonesia
7. Kerry Express - Thailand
8. LBC Express - Philippines
9. J&T Express - Vietnam
10. SF Express - China

Specialized Mail Delivery Companies:

1. UPS Store - USA (retail shipping services)
2. FedEx Office - USA (retail printing and shipping services)
3. PostNet - USA (retail shipping and printing services)
4. Pak Mail - USA (retail shipping and packaging services)
5. The UPS Store - Canada (retail shipping services)
6. Canada Post Retail - Canada (retail shipping services)

Please note that this is not an exhaustive list, and there may be other mail delivery companies not included here. Additionally, some companies may offer both domestic and international services, while others may specialize in specific types of mail or packages.