In 2013, Nokia was on the Fortune Global 500 list as the 274th largest company in terms of revenue for that year.
Nokia has never been on the original Fortune 500 list because that list is reserved solely for American companies.
The Fortune Global 500 list ranks companies from around the globe, according to their total revenue.
Nokia is a Finnish company specializing in communications technology. The company is largely known for they contribution to mobile technology, especially sturdy handheld phones... Ones that are much more sturdy than Apple's. In fact, there's a little joke that can found on the internet that goes something like this:
Drop an iPhone, the screen breaks
Drop an old Nokia phone, the floor breaks.
Actually, according to Nokia, they're responsible for the first handheld mobile, invented in 1987.
For a little more about the Fortune 500 hundred companies, check out this interesting article:
http://fortune.com/2014/09/23/fortune-500-companies-take-center-stage-at-u-n-climate-summit/