The PrintXcel label-making unit is leading the charge.

FORBES: Companies, People, Ideas

To boost margins, Starboard suggests that Office Depot increase higher-margin services in its North American retail unit and carry more private-label products, while reducing store size and the total number of goods sold.

FORBES: Office Depot: Activist Fund Takes 13.3% Stake, Calls Stock 'Deeply Undervalued'

Euro RSCG, a unit of Havas, a French advertising group, acquired its own music label, called The Hours, in 2008.

ECONOMIST: The recession forces agencies to branch out