The United States Postal Service (USPS) is an independent agency of the federal government's executive branch that provides postal service in the United States, including its insular areas and associated states. It is one of the few government agencies explicitly authorized by the U.S. Constitution.

In Fiscal Year 2021, the USPS reported $77.06 billion in revenue and $81.99 billion in expenses, resulting in a net loss of $4.93 billion. Despite this, the USPS remains the most extensive postal system in the world in terms of geography and volume, delivering 47% of the world's mail. The USPS operates 31,330 post offices and locations in the US and delivers 128.8 billion pieces of mail annually to 163 million delivery points as of 2022. The USPS also operates one of the largest civilian vehicle fleets in the world, with an estimated 227,896 vehicles. Additionally, its website and international services provide convenient and reliable options for sending and receiving mail and packages.

The USPS's international services include First-Class Mail International which includes small packages weighing up to four pounds (1.8 kg), Priority Mail International which offers packaging in various sizes, and other similar services. These services allow individuals and businesses to ship letters and packages to almost every country and territory on the globe.

The USPS website, usps.com, offers a range of services to its customers, including the ability to send and receive mail and packages, purchase shipping supplies, and access business solutions. The website also provides customer support and resources for finding missing mail, filing claims, requesting refunds, and accessing frequently asked questions.

Website's total visits: 231.9M
(Numbers as of 2023 from www.similarweb.com)

UPS, also known as United Parcel Service, is a global shipping and receiving company based in the United States that was established in 1907. UPS started with telegraph services and has since extended its products to include ground delivery services and the UPS Store, a retail chain that assists customers with shipments and provides resources for small businesses. Through its subsidiaries UPS Mail Innovations and UPS SurePost, the business also provides overnight or two-day air shipping and distributes to post office boxes.

In terms of revenue, UPS is the largest courier company in the world, generating approximately US$85 billion in annual revenues in 2020. Additionally, UPS is one of the largest American-owned private employers in the United States. The company operates over 119,000 delivery vehicles worldwide, ranging from bicycles to tractor-trailer trucks

UPS provides international package operations to more than 220 countries and territories worldwide, including shipments wholly outside the United States and shipments with either origin or distribution outside the United States. Its international package services include UPS Standard, UPS Worldwide Expedited, UPS Worldwide Saver, UPS Worldwide Express, and UPS Worldwide Express Plus, which you can find on the company's official website - ups.com.

Moreover, ups.com offers a range of services to its customers, including tracking packages, shipping information, and communication preferences. The website also provides access to other UPS sites, such as information about supply chain solutions, UPS Jobs, and the UPS Developer Portal. Customers can connect with UPS on social media platforms such as Facebook, Twitter, Instagram, LinkedIn, and YouTube through its website.

Website's total visits: 186.8M

(Numbers as of 2023 from www.similarweb.com)

FedEx Corporation is a Memphis, Tennessee-based American multinational conglomerate holding company that specializes in transportation, e-commerce, and business services. Formerly known as Federal Express Corporation and FDX Corporation, the company is the fifth-largest American-headquartered employer globally. In the fiscal year 2020, FedEx reported earnings of US$1.286 billion, with annual revenue of US$69.217 billion.

FedEx's flagship service is its air delivery service, FedEx Express, which was one of the first major shipping companies to offer overnight delivery. The company's air shipping services have made its "Superhub" at Memphis International Airport the busiest cargo airport in the world by 2020. In addition to FedEx Express, the company also operates subsidiaries such as FedEx Ground, FedEx Office (formerly Kinko's), FedEx Supply Chain, FedEx Freight, and various other services across multiple subsidiaries.

FedEx's international services operate one of the largest civil aircraft fleets in the world, has the largest fleet of wide-bodied civil aircraft, and carries more freight than any other airline. Its international services include FedEx Express, Caribbean Transport Services, TNT Express, FedEx Custom Critical, and FedEx Cross Border.

The FedEx website, fedex.com, offers a range of services to its customers, including options to select locations and languages, access to corporate information, investor relations, career opportunities, newsroom updates, and corporate responsibility initiatives. The website also provides resources for developers, logistics solutions, and cross-border services. Customers can also connect with FedEx on social media platforms like Facebook, Twitter, LinkedIn, and YouTube through the website.

Website's total visits: 147.2M
(Numbers as of 2023 from www.similarweb.com)

DHL is a German logistics company established in the United States that provides courier, package delivery, and fast postal services, sending over 1.8 billion parcels per year. DHL Express, a division of the German transportation company Deutsche Post, is one of Europe's market leaders for delivery services and Germany's main Courier and Parcel Service. In 2021, the company's revenue increases by €81.7 billion.

DHL officially became an international delivery business in the 1970s, comparable to Loomis and Purolator, the only other international courier firms at the time, spreading to Toronto, Ontario, Canada. Nonetheless, the domestic market was highly lucrative, with DHL ranking third behind FedEx and UPS. DHL now provides global services, including shipping to even Iraq, Afghanistan, and Myanmar (formerly Burma). DHL is not impacted by US embargoes or sanctions because it is now German-owned, and so it also provides shipping services to Cuba and North Korea. DHL connects people from over 220 nations and territories around the globe.

The website of DHL can be accessed at dhl.com. The site offers a variety of options including customer support through the Help Center and Contact Us sections, login portals for customer accounts, and information about digital partners and integrations. Developers can access resources through the Developer Portal as well. The website also provides company information, including details about DHL, its history, careers, and press releases. Visitors can explore DHL's sustainability initiatives or learn about the company's role as an official logistics partner.

Website's total visits: 49.1M

(Numbers as of 2023 from www.similarweb.com)

Kuroneko Yamato, or Yamato Transport Company, Ltd., is one of Japan's biggest door-to-door delivery service companies, with a 41% market share, contending with Sagawa Express and Nippon Express. In 2019, the company's revenue reached JP¥ 1,625,315 million (US$14.8 million). Yamato Transport now has approximately 4,000 logistics bases nationwide in Yamato Group and 57,000 vehicles. By constructing a fine and flexible logistics network covering all of Japan, the company is working to solve the problems of their customers and society through logistics as a member of the social infrastructure.

Yamato Transport's logo is a golden oval with a black cat holding her baby in her teeth, representing the company's pledge to treat things given to them as if they were their own family. Because of this, the company is also commonly known as 黒ねこ(Kuroneko), which means "black cat" in Japanese.

Yamato Transport's official website - kuronekoyamato.co.jp is available in 3 languages or rather has 3 versions that serve 3 different types of customers. While its Japanese site serves delivery services for Japanese everyday life needs, its English and Chinese sites offer more services designed for foreigners who are living in Japan or want to move to the country. The most stand-out feature of its English and Chinese sites is "Living in Japan", which is a part of the website that offers helpful information about living in japan like "How to Send a Parcel", "How to Receive a Parcel", "When Receiving an Attempted Delivery Notice", "Dangerous and Prohibited Items", as well as Traveling to Japan: "hands-free travel", etc.

Website's total visits: 42.8M
(Numbers as of 2023 from www.similarweb.com)