If you don't have one, create one. 2. Nothing fosters dissatisfaction more than unfair treatment or dishonest communication. There should be no secrets in the organization. Keep things in the open. Most progressive companies have open books.
Nothing is off-limits.
Something as simple and easy to do as praising and showing appreciation should be a no-brainer. But you'd be surprised at how poorly this is done. Share the credit and acknowledge people and departments for their success. If you look for reasons to praise, you'll find them. What gets attention gets recreated.