Apple Inc.- American multinational corporation that designs and manufactures consumer electronics utilities, software, and personal computers based in Cupertino, California.Revenues of 215.639 billion USD (2016). US traded company, a joint stock company founded in 1994 inSeattle; engaged in e-commerce B2C and leads the world’s largest store Online. Revenues of 88.988 billion (2014)

Alibaba Group is the world’s largest group of companies’e-commerce and m-commerce. They provide trading platforms, online payments, e-logistics and e-marketing, IT support for online retailers, film industry and many other services.

Berkshire Hathaway- American holding company headquartered in Omaha, Nebraska. It accepts and conducts monitoring and management of numerous subsidiaries engaged in insurance primarily, including insurance against accidents and reinsurance.

Citigroup- Was founded in 1998 by the merger of Citicorp and Travelers Group. The result was the largest corporation in terms of market capital for financial services provider in the world.

The Walt Disney Company- the world’s largest media corporation. Was founded on October 16 in Burbank, 1923, by the brothers Walt and Roy Disney, as a small animation studio under the name Disney Brothers Cartoon Studio. Revenues of 52.46 billion USD (2015)

eBay Inc.- A leading company with the largest online auction site in the world. eBay was founded on the 3rdof September 1995 by Pierre Omidyar, now it operates in 37 countries. The group includes, among others, PayPal.

Ford Motor Company- American automotive company founded in June 16, 1903 by Henry Ford in Detroit. The company had its own forests, mines, steel mills, water facilities, aviation and rail operations. Revenues of 149.558 billion USD (2015)

Facebook- social network, in which registered users can create networks and groups to share messages and pictures, and use the application, which is owned by Facebook, Inc. based in Menlo Park.Freeport-McMoRan Inc. Revenues of 12.466 billion USD (2014)

General Electric- American conglomerate headquartered in Fairfield.Operates in the manufacturing industry of machinery and equipment, energy production, oil and many others.General Motors Company Revenues were 148.589 billion USD (2014).

Google Inc.- American company from the Internet industry. Its flagship product is the search engine Google, their declared mission – to catalogue the world’s resources andinformation and to make it universally accessible and useful. Revenues of 66.001 billion USD (2014)

GoPro Inc.- American manufacturer of sports cameras, frequently used in home video and extreme sports. Currently it dominates the sports cameras market.

MasterCard Worldwide- company and membership organization bringing together more than 25,000 financial institutions issuing payment cards and branded logo of Mastercard, Maestro and Cirrus. The organization has set up several US banks (United California Bank, Wells Fargo, Crocker National Bank, Bank of California), as a competition for a similar organizational credit card provider – Americard (founded by Bank of America, later transformed into Visa). Revenues of 9.473 billion (2014)

McDonald’s Corporation- a network of fast food restaurants founded in 1940 in San Bernardino California. Revenues of 27.441 billion (2014)

Microsoft- one of the world’s largest companies in information technology. Its best known as a producer of operating systems, MS-DOS, Microsoft Windows and Microsoft office software.Revenues of 86.83 billion(2014)

Netflix- the largest, online movie rental service in the world, offering a fixed price rental of movies through TV and Internet media.

Starbucks Corporation- the world’s largest coffee chain. It was founded on March 30, 1971 in Seattle, Washington. In 1987 they were acquired by Howard Schultz. Revenues 16.448 billion USD (2014)

AT&T- American telecommunications company. Listed on the New York Stock Exchange. AT & T was for a time the world’s largest company providing telephone services, and the largest cable television network. Revenues of 132.447 billion USD (2014)

Tenneco- American company listed on the New York Stock Exchange (NYSE) since the 5th of November 1999. Headquartered in Lake Forest, Illinois (USA). Tenneco is one of the largest manufacturers of original exhaust emission control systems and ride control systems.

Tesla Motors- American car company producing sports andelectric cars.Founded in July 2003 by Martin Eberhard, MarcTarpenning, JB Straubel and Ian Wright. Since February 2004, the president of the supervisory board of TeslaMotors is Elon Musk, who later (in October 2008) became president of the company.

Twitter-Aservice company that provides social microblogging. founded on March 21st 2006.

Visa Inc.- American company and membership organization dedicated to issuing credit cards and payment solutions, founded in 1958 under the name BankAmericard. The first card was issued in1958 by Bank of America. Revenues of 12.702 billion (2014).

United States Steel Corporation- American corporation specializing in the production of steel, founded in 1901. by J.P. Morgan and E.H. Gary. The tenth largest steelmaker in the world. In 1991-2002, known as USX Corporation.

Yahoo!- American Internet portal distributed in several languages. Main headquartered is in Sunnyvale, California, USA. Revenues of 4,618 billion(2014).