United States Postal Services

#1 USPS - United States Postal Service

The United States Postal Service (USPS; also known as the Post Office, U.S. Mail, or Postal Service) is an independent agency of the executive branch of the United States federal government responsible for providing postal service in the United States, including its insular areas and associated states.

Area served: Worldwide
Employees: 633,108 
Founded: July 1, 1971; 49 years ago; Washington, D.C., U.S
Headquarters: 475 L'Enfant Plaza SW; Washington, D.C, U.S
Website: usps.com

#2 UPS - United Parcel Service

United Parcel Service (shortened in initials as UPS; stylized in lowercase) is an American multinational package delivery and supply chain management company.

Along with the central package delivery operation, the UPS brand name (in a fashion similar to that of competitor FedEx) is used to denote many of its divisions and subsidiaries, including its cargo airline (UPS Airlines), freight-based trucking operation (UPS Freight, formerly Overnite Transportation), and its delivery drone airline (UPS Flight Forward).[8][9] The global logistics company is headquartered in the U.S. city of Sandy Springs, Georgia, which is a part of the Greater Atlanta metropolitan area.

Area served: Worldwide
Employees:  481,000 (2018)
Founded:  August 28, 1907; 113 years ago as The American Messenger Company
Headquarters:  Sandy Springs, Georgia, U.S.
Website:  ups.com

#3 FedEx Postal Service

FedEx Corporation is an American multinational delivery services company headquartered in Memphis, Tennessee. The name "FedEx" is a syllabic abbreviation of the name of the company's original air division, Federal Express, which was used from 1973 until 2000.

Area served: Worldwide
Employees:  400,000 (2019)
Founded:   1971; 49 years ago (as Federal Express Corporation)
Headquarters:   Memphis, Tennessee, US
Website:   fedex.com

#4 Lasership Postal Service

LaserShip is a regional last-mile delivery company that services the Eastern and Midwest United States. Founded in 1986, LaserShip is based in Vienna, Virginia and has sortation centers in New Jersey, Ohio, North Carolina, and Florida

Area served:  United States
Founded:  1986; 34 years ago
Headquarters:   Vienna, VA
Website: lasership.com

#5 DHL Postal Service

DHL (Dalsey, Hillblom and Lynn) International GmbH is a German courier, parcel, and express mail service which is a division of the German logistics company Deutsche Post DHL. The company delivers over 1.3 billion parcels per year.[3]

The company was founded in the United States in 1969 and expanded its service throughout the world by the late 1970s.  In 1998, Deutsche Post began to acquire shares in DHL and reached controlling interest in 2001.

Area served: Worldwide 
Founded: San Francisco, CA (1969; 51 years ago)
Headquarters: Bonn, Germany (Global), Plantation, Florida (corporate)
Website:  dhl.com