CEI and its affiliated companies made contributions totaling $9.2 million to charitable organizations in 2007, of which $5.7 million directly benefited organizations in the Washington, DC metropolitan area.

In 2007, Clark employees volunteered more than 3500 hours of their time to various organizations throughout the country. Their contributions included raising money, donating skilled (and not so skilled) labor, mentoring children, preparing meals for those in need, sewing quilts, helping animals, and many other activities.