Harsco Corporation is a diversified, worldwide industrial company based in the United States.
 Harsco operates in 35 countries and employs approximately 12,300 people worldwide.
 The company provides industrial services and engineered products that serve large industries, including steel, railways, and energy.
 The 2013 revenues totaled $2.8 billion, 60% of which were generated internationally.
 Harsco is headquartered in Camp Hill, a suburb of Harrisburg, Pennsylvania.
Broadcom Corporation was an American fabless semiconductor company that made products for the wireless and broadband communication industry.
 It was acquired by Avago Technologies in 2016 and currently operates as a wholly owned subsidiary of the merged entity called Broadcom Limited.
 The division is headquartered in Irvine, California.
 Broadcom Corporation was founded by professor-student pair Henry Samueli and Henry Nicholas from UCLA in 1991.
 In 1995 the company moved from its Westwood, Los Angeles office to Irvine, California.
 In 1998, Broadcom became a public company on the NASDAQ exchange (ticker symbol: BRCM) and now employs approximately 11,750 people worldwide in more than 15 countries.
The Danfoss Group is a global producer of products and services used in areas such as cooling food, air conditioning, heating buildings, controlling electric motors, compressors, drives and powering mobile machinery.
 The company is also active in the field of solar and wind power as well as district heating and cooling infrastructure that targets entire cities and urban communities.
 Danfoss employs approximately 24,000 people worldwide with its headquarters in Nordborg, Denmark.
Square Enix Holdings Co., Ltd. (株式会社スクウェア・エニックス・ホールディングス , Kabushiki gaisha Sukuwea Enikkusu Hōrudingusu ) is a Japanese video game developer, publisher, and distribution company that is best known for its role-playing video game franchises, which include "Final Fantasy", "Dragon Quest", and "Kingdom Hearts".
 Several of its franchises have sold over 10 million copies, with the "Final Fantasy" franchise selling over 115 million, and the company as a whole made over ¥150 billion in revenue in fiscal year 2014.
 The Square Enix headquarters are in the Shinjuku Eastside Square Building in Shinjuku, Tokyo.
 The company employs over 3800 employees worldwide.
AMPCO METAL is a diversified speciality alloy engineering company working primarily in copper based alloys, non-sparking safety tools and speciality welding products.
 The Switzerland based company is a manufacturer of engineered alloys of different compositions and properties, intended for specific uses in the aerospace, automotive, energy-conservation, manufacturing and other industries.
 It also produces non-sparking safety tools for the oil industry, as well as the firefighting and fire prevention sectors.
 Additionally, AMPCO METAL provides engineering, machining and welding advice to the industry, in matters involving its speciality copper, aluminium-bronze and other alloys.
 AMPCO METAL currently employs approximately 250 people worldwide, and operates a number of divisions and sales offices on three continents.
Schott AG is an international manufacturing group of glass and glass-ceramics.
 The company is headquartered in Mainz, Germany and employs approximately 15,000 people worldwide.
 All shares of Schott AG are solely held by the Carl Zeiss Foundation.
 The company reported sales worth 1.93 billion Euros in its fiscal year 2014/2015.
Tomb Raider, also known as Lara Croft: Tomb Raider between 2001 and 2007, is a media franchise that originated with an action-adventure video game series created by British gaming company Core Design.
 Formerly owned by Eidos Interactive, then by Square Enix after their acquisition of Eidos in 2009, the franchise focuses on a fictional English archaeologist Lara Croft, who travels around the world searching for lost artifacts and infiltrating dangerous tombs and ruins.
 The gameplay generally focuses around action-adventure exploration of environments, solving puzzles, navigating hostile environments filled with traps, and fighting numerous enemies.
 Additional media has grown up around the theme in the form of film adaptations, comics and novels.
The spread of HIV/AIDS has affected millions of people worldwide; AIDS is considered a pandemic.
 In 2009, the World Health Organization (WHO) estimated that there are 33.4 million people worldwide living with HIV/AIDS, with 2.7 million new HIV infections per year and 2 million annual deaths due to AIDS.
 In 2007, UNAIDS estimated: 33.2 million people worldwide were living with HIV; AIDS killed 2.1 million people in the course of that year, including 330,000 children, and 76% of those deaths occurred in sub-Saharan Africa.
 According to the UNAIDS 2009 report, some 60 million people worldwide have been infected with HIV, resulting in approximately 25 million deaths and 14 million orphaned children in southern Africa alone since the epidemic began decades ago.
Rieker is a footwear and accessories retailer that manufactures shoes and bags for men and women to around 9,000 independent retailers, mainly in Europe.
 The head office is in Thayngen, Switzerland and the company employs approximately 20,000 people worldwide in sales, design and production.
Square Enix Europe is a British video game publisher which is wholly owned by Square Enix, a Japanese video game company.
 Square Enix acquired game publisher Eidos plc on 22 April 2009, which was then merged with Square Enix's European publishing wing and reorganized as Square Enix Europe.
 This list includes retail, downloadable, and mobile games published by Square Enix Europe since its formation in April 2009.
 Prior to its purchase, Eidos plc was the holding company for the Eidos group of companies, including publisher Eidos Interactive and development studios such as Crystal Dynamics, IO Interactive, Beautiful Game Studios, and Eidos Montréal.
 The majority of the titles published by Square Enix Europe have been developed by those former subsidiaries or by newer Square Enix subsidiaries such as Square Enix Montréal.
 Additionally, most of the titles belong to franchises previously published by Eidos, such as the "Tomb Raider", "Hitman", "Deus Ex", and "Championship Manager" franchises.

Question: In 2009 Eidos was acquired by a company that employs approximately how many people worldwide?
Answer: 3800