Vitol

Vitol is A Dutch trading company founded in 1966 at Rotterdam,Netherland by Henk vietor.Vitol is headquartered at Rotterdam (Netherlands) ,Geneva (Switzerland).

Total revenue of Vitol is approximately 300 billion USD at starting of 2012.

It is world's fifth largest company at the basic of revenue in 2011 after ExxonMobil  Walmart, BP(british petroleum), Royal dutch shell and followed by Sinopec.
Key peoples-Ian Taylor, CEO

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BP

BP plc.(british petroleum) is British multinational company of oil and gas founded

Toyota

Royal dutch shell

Royal Dutch shell plc.*is British and Dutch  multinational Oil and Gas company, founded by merging Royal dutch(a petroleum company of  Netherlands ) and Shell (a trading and transporting company of  UK) in feb 2007 by  Sir Marcus Samuel, 1st Barone.(*plc. Stands for public limited company)
 it is commonly  known as "shell"
It is headquartered at  Hague,Netherlands and Lundon in UK.
Total revenue of Shell is 470 billion according to 2011.

It is world's second largest company at the basic of revenue in 2011 after ExxonMobil and followed by Walmart, BP(british petroleum), Vitol. it is also 7th in  Financial Time Global 500 list of most valuable company after Apple,ExxonMobil,PetroChina,Microsoft,IBM,ICBC  in 2012

key peoples
         Peter Voser  (CEO)
         Jorma Ollila (Chairman)

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ExxonMobil

ExxonMobil is American multinational company founded by merging Exxon and Mobil in 30 November,1999. It is An oil and gas company headquartered  at Irving,Texas,USA. Total revenue of ExxonMobil is 486 billion USD.

 It is "world's largest company at the basic of  revenue in 2012"followed by Royal dutch shell, Walmart, BP(british petroleum), Vitol.
It is largest in Six oil supermajor followed by ROyal dutch shell ,BP plc.,Sinopec,chevron corp,ConocoPhillips,Petrochina,Total S.A..

it produces about 3 percent of the world's oil and about 2 percent of the world's energy.
 it is second in Financial Time Global 500 list(2012) of most valuable company after Apple  and followed by PetroChnia,Microsoft,IBM,ICBC and Royal dutch Shell
Key people-
Rex W. Tillerson (Chairman & CEO)

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Lenovo

lenovo ltd. is a chinese multinational company founded by Liu Chuanzhi in 1984 at beijing and incorporated in 1988 in hong kong as name "LEGEND".later it became "LENOVO" in 2003.(A reason of changing name was "A large number of  brands were named as Legend",to make it unique name was changed)

presently Lenovo is headquartered at Beijing(CHINA), Singapore and Morrisville, North Carolina(USA).Lenovo has Ranked as "Second largest PC maker of the World"after HP. Lenovo's total revenue is approximately 30 billion USD.

Product by Lenovo-

• Personal computers

1. Laptops(Thinkpad,Ideapad)

1. Desktops(Think centre,Ideacentre)

• Mobile phones as Lephone.(Lenovo sold mobile unit in 2008"saying that it wanted to focus more on Computer bussiness" and again  bought Mobile Unit in 200 million USD in 2009)

• tablets(Ideapad tablet)

• Smart televisions(LeTV)

Key people-

Yang Yuanqing (Chairman and CEO)

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HP

HP stands for Hewlett-Packard inc. is american multinational company founded by Bill Hewlett, David Packard in 1939 at plato alto,california,US ,where is  presently HP's headquarter also situated .

Total revenue of HP is approximated as  127 bbillion USD in 2011.
HP is 'world's leading PC vendor' followed by lenovo,delland acer.

Important Product and subsidiaries of HP- 
Basically hp is divided in  four region hardware,software,finance and services.
Hardware-

• Printers - laserjet series,colorjet,deskjet series,photosmart series,officejet(all in one )series,designjet series and PSC series.
• scanners- scanjet series
• Cameras- photosmart series and photosmart E,M and R series
• pocket computer- LX series, omnigo series, Jonarda series,IPAQ (merged with compaq).

• Computer and computer hardware- HP series PC,HP Touchsmart PCseries , HP Pavilion PC series,HP compaq PC series,HP Mini series,HP elite series, HP ploter,HP pocket calculator.
• Workstation-HP workstation series,Alphastation series
• Pen drive,USB flash drive,Hard Disk

Software-

• 
  
  • HP Quality Center
  • HP Quicktest Professional
  • HP Business Process Testing
  • HP Change Impact Testing
  • HP Load Runner
  • HP SureSupply

Key people-

•       Raymond Lane (Chairman)
•      Meg Whitman (President and CEO)

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Acer

Acer inc. is Taiwanese multinational electronics and electronics hardware corporation ,founded by Stan shih at al in 1976 at hsinchu City,Taiwan and named as Multitech international , Leter it became Acer inc. in 1987.

   Acer is presently headquarted at       Xizhi,New Taipei,Taiwan. Total revenue of Acer is approximated as 16.18 billion USD in fiscal year 2011.

   Acer has at 4th place in world of PC making after HP,Lenovo and Dell
Key people-
Zhentang Wang (Chairman and CEO)

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