The Spanish firm Indra Sistemas, S.A. ([inda sistems]) specializes in both civilian and military IT and defensive systems. Indra is a component of the Bolsa de Madrid's IBEX 35 index and a publicly traded company. Information technology, simulation and automation test equipment, and defense electronic equipment are Indra's three main lines of business.

Outsourcing of IT systems and business processes is just one of the many services offered by Indra, along with consulting, project development, integration of systems and applications, and more. Solutions and services (which encompass outsourcing and application maintenance) and business processes (BPO) where technology is a strategic and distinctive aspect make up the bulk of this offering. About one-third of the firm's annual income is generated from overseas sales. For Indra, the two most important overseas markets are the European Union and the United States. Indra is also present in the Latin American market.

Founded: 1992
Headquarters: Alcobendas, Madrid, Spain
Website: https://www.indracompany.com/en

Big Blue refers to International Business Machines (IBM), an American global technology business with headquarters in Armonk, New York that operates in more than 175 countries. From mainframes to nanotechnology, it has you covered with its hosting and consulting services, not to mention its specialized hardware, middleware, and software. IBM has held the record for the most yearly U.S. patents generated by a firm for 29 consecutive years, from 1993 to 2021, and is the largest industrial research organization in the world, with 19 research locations across a dozen nations.

Established in 1911 as a holding company for producers of tabulating and recording devices, IBM was originally known as the Computing-Tabulating-Recording Company (CTR). After a name change to "International Business Machines" in 1924, the company quickly rose to prominence as a primary source for punch-card tabulating machines.

IBM would go on to dominate the market for electric typewriters, electromechanical calculators, and personal computers over the course of the next few decades. IBM's System/360 mainframe was the de facto standard for enterprise computing in the late 1960s and early 1970s, and IBM went on to manufacture 80% of all computers in the United States and 70% of all computers globally.

Founded: June 16, 1911
Headquarters: Armonk, New York, U.S.
Website: https://www.ibm.com/

The Vodafone Group Plc was founded in the United Kingdom and is a worldwide telecommunications corporation. It is incorporated in and operates out of Newbury, Berkshire, England. Its primary service regions include the Asian, African, European, and Oceanian continents.

As of January 2023, Vodafone's networks are present in 21 countries under its direct control, with an additional 47 nations covered through partnerships. In 150 countries, businesses may turn to Vodafone Global Enterprise for telecoms and information technology support.

Vodafone is included in the prestigious FTSE 100 Index, which is maintained by companies with principal listings on the London Stock Exchange. The Nasdaq is the secondary market for the company's stock. Vodafone was chosen to "reflect the provision of voice and data services over mobile phones" and derives from the words "voice data fone" (the latter being a spectacular spelling of "phone").

Founded: September 16, 1991
Headquarters: Newbury, Berkshire, England, UK
Website: https://www.vodafone.com

Amazon is a multinational technology firm that specializes in online retail, video streaming, AI, and cloud storage and computing. Since its inception in 1994, the company has grown substantially to become a global powerhouse. The company's status as one of the largest in the world necessitates a continuing need to hire highly skilled programmers, hardware developers, data scientists, software architects, and business intelligence analysts.

To sum up, Spain is becoming a tech hotspot in addition to being home to many breathtaking tourist attractions, with Barcelona at the top of the list and Madrid experimenting with astounding growth in the field. As a result, many people are thinking of moving there to take advantage of the country's excellent climate and work at one of the many tech firms in Madrid or Barcelona. One of the best ways to prepare for a new job is to take a Spanish course designed for expats.

Founded: July 5, 1994
Headquarters: Seattle, Washington, and Arlington, Virginia, U.S.
Website: https://www.amazon.com

Spanish IT giant Amadeus IT Group, S.A., serves the international travel and tourism sectors. The business model centers on two main pillars: worldwide distribution and IT services. Through its Amadeus CRS distribution business area, Amadeus provides real-time search, pricing, booking, ticketing, and other processing services to travel providers and travel agencies. Software for automating tasks like reservations, stock management, and boarding procedures is also available.

In addition to airlines, hotels, tour operators, insurance, car rental, railway firms, ferries, cruise lines, travel agencies, and individual travelers, it also serves tour groups and cruise ships. In 2011, Amadeus handled 945 million billable travel transactions. Over 99.7 percent of Amadeus IT Group is owned by Amadeus IT Holding S.A., the company's parent. On April 29, 2010, it began trading on the Spanish stock markets.

Amadeus has its headquarters and marketing departments in Madrid, Spain; its development departments in Sophia Antipolis, France; its development departments in London, the United Kingdom; its development departments in Breda, the Netherlands; its data center in Erding, Germany; and its development departments in Bangalore, India. Amadeus' 173 Amadeus Commercial Organizations (ACOs) in local markets across 195 countries keep the company's client operations running smoothly. The Amadeus Group has 14,200 employees across the globe and is ranked #985 on Forbes' "World's Largest Public Companies" list.

Founded: 1987
Headquarters: Madrid, Spain
Website: https://amadeus.com/en