There are companies out there who organize salary surveys. Every company pays in a bit to cover the costs/overhead with putting together a market report, and a

There are companies out there who organize salary surveys. Every company pays in a bit to cover the costs/overhead with putting together a market report, and also submit the job titles and salaries of their workers. Possibly more data too, but I'm not certain. E.g. time with the company or years of relevant experience would be very handy.