Level 2 shows the number of market makers who are buying and selling and the price they are selling at. Most of the time internet brokerages offer this information, sometimes for a small charge...there are some other services that offer this info as well...
There are also some helpful posts regarding Level 2 in the Info Box for the board...
For a look at free Level 2 which has a 15-minute delay, there is a link in the Info box...you can also go to OTCBB.com for free Level 2 quotes...