This website can help you check your US counterpart salary

For those work in USA with the H1B visa, you are able to traced their salary with this website:
http://www.flcdatacenter.com/CaseH1B.aspx

Basically you just need to key in their company name, the year that they apply for H1B visa, and that is all. All you need is to do next is to guess which one is your friend in the list of salary and job description.....

So if you are an IT engineer, would like to know how much you can get from Google for example, can try your luck by key in Google at California. Then see how much they are paying for a H1B applicant. Of course those work in US without the need of visa, their infomation will not be shown.

Click here for more Salary & Increment information