Valve does.
http://www.valvesoftware.com/
Their logo is also on the bottom of all their websites including http://www.steampowered.com/
you can get it by buying it from steam for computer the orange box is cheaper and it comes with diffrent games like halflife 1 and 2 and portal 1
Sony
yes it has the full games halflife 2, portal, and TF2
No the games are sold from steam are for steam if you dont buy the game from steam it will not connect you to their network where you can achive the trophies ect. how ever if you already got it you can click top left conner and click on Add program you can add anything to steam from Ventrilo chat program to battlefield bad company 2 that you purchased even though its not from steam you can add the game to your steam collection so when you start steam you can click on the game from there to start it. Once again that will not add your game to their network because you didnt purchase it from them its just to make things easier for you.
call of duty world at war on nvidia 6200
No steam just carries the game on their steam store so you can download the virtual disk game from them instead of getting it with disk from store.
They are made by the company LeapFrog.
Siemens is the main company that makes it. Machines costing 2 million dollars, they clearly making a huge profit.
NuW Industries Inc. makes Hitchhiker 2 travel tralers. The company is also online.
amazon
There are three kinds of steam 1) saturated steam, 2)super saturated steam 3) wet steam.
All atoms of a specific element have the same number of protons in their nucleus, but the number of neutrons in the nucleus may vary these are isotopes of that element.Hydrogen has several possible isotopes, only the first three of these are commonly referred to:hydrogen or protium or hydrogen-1, 1 proton 0 neutrons, stabledeuterium or hydrogen-2, 1 proton 1 neutron, stabletritium or hydrogen-3, 1 proton 2 neutrons, radioactive halflife 12.26 yearshydrogen-4, 1 proton 3 neutrons, radioactive halflife about 139 yoctosecondshydrogen-5, 1 proton 4 neutrons, radioactive halflife about 910 yoctosecondshydrogen-6, 1 proton 5 neutrons, radioactive halflife 290 yoctosecondshydrogen-7, 1 proton 6 neutrons, radioactive halflife 23 yoctosecondsetc.