An interesting new ebook titled The Engaged Employee states that “Companies with high engagement experience more than 5% in operating margin and more than 3% in net profit margin as compared to those companies with low employee engagement.”
http://www.kaptasystems.com/resources/Employee_Engagement_ebook.pdf
Metaphor Mapping is a great tool for employee engagement in that it provides a easy mechanism for involving employees in strategy setting, where they can efficiently bring their experience and perspectives to bear on matters critical to company success.