In the music industry, a record label can be a brand and a trademark associated with the marketing of music recordings and music videos. It is more commonly the company that ...
http://en.wikipedia.org/wiki/Record_label

Record Labels & Companies Guide: Info on Getting Signed, for Unsigned Musicians, Songwriters, Bands and Artists.
http://www.record-labels-companies-guide.com/

Database of record label web site links searchable by location and genre. Labels perpetually added; dead links regularly removed.
http://www.rlabels.com/

This is a list of notable record labels. Due to the large number of entries, the list has been divided by the first character of the label's name:
http://en.wikipedia.org/wiki/List_of_record_labels

The Epic Records website
http://www.epicrecords.com/