I found these two URL's that have the listing of vendor ID and device ID's along with a meaningful name. I am not sure if it is a complete list but its a start. I will let you knowas I find more information about it.
http://www.pcidatabase.com/- Click on Tab delimited vendor/device list. Direct link is http://www.pcidatabase.com/reports.php?type=tab-delimeted
Here you can find list of vendor IDs - http://pci-ids.ucw.cz/iii/