Universal Postal Union, founded in 1874, is a specialized agency of the United Nations that coordinates international mail services. Headquartered in Switzerland, it sets postal regulations and promotes global collaboration. The UPU fosters efficient, affordable, and interconnected postal networks, ensuring seamless cross-border mail delivery worldwide.

An Post, Ireland’s national postal service, was founded in 1984 following the split of the Post & Telegraphs Department. It provides mail, parcel delivery, and financial services. Committed to innovation, An Post has expanded into digital services, sustainable logistics, and modernized postal operations to serve communities across Ireland.

Bulgarian Posts, established in 1879 after Bulgaria’s liberation from Ottoman rule, serves as the national postal service. Initially part of the Ministry of Post and Telegraphs, it became a joint-stock company in 1997, remaining state-owned. Today, it operates approximately 3,000 post offices nationwide, providing mail, logistics, and financial services.

Brunei Postal Services Department, established in 1906, began with overprinted Labuan stamps. In 1907, it introduced unique Brunei River stamps. Today, it offers comprehensive mail, logistics, and financial services nationwide, continually modernizing to meet contemporary needs.

BH Pošta, established in 1992, is Bosnia and Herzegovina’s largest postal operator, managing 386 post offices with 822 active counters. It offers comprehensive domestic and international postal services, continually modernizing to meet contemporary needs.

​Israel Post, the national postal service of Israel, was established on May 5, 1948. Initially operating under the Ministry of Transportation, it became a government-owned company in 2006. Israel Post provides mail, logistics, and financial services nationwide, continually modernizing to enhance digital offerings and expand its network across Israel.

Oman Post, the national postal service of Oman, originated in 1856 with the opening of the first post office in Muscat by the British Postal Department. Over time, it transitioned to Omani administration, issuing its own stamps from 1966. Today, Oman Post offers comprehensive mail, logistics, and financial services nationwide, continually modernizing to meet contemporary needs.

Postal Corporation of Kenya, established in 1999, succeeded the Kenya Posts and Telecommunications Corporation. It offers mail, courier, and financial services nationwide. The corporation continually modernizes, integrating digital solutions like MPost to enhance service delivery across Kenya.

Emirates Post Group, the UAE’s official postal service, originated in 1909 with Dubai’s first postal agency. Over time, it expanded across all emirates, becoming Emirates Post in 2001. In 2007, it restructured as Emirates Post Group Holding, merging services to enhance efficiency and service delivery.

Bpost, Belgium’s national postal service, originated in 1830 as the “Administration de la poste.” It became “La Poste” in 1992 and rebranded to Bpost in 2010. Today, Bpost provides mail, parcel, and e-commerce logistics services worldwide, employing over 36,000 people across Europe, North America, and Asia.