Birmingham-based Dunn Building Co. is expanding. The company said it is opening a second satellite office in Athens to service the Tennessee Valley area of North Alabama. "Dunn has always had great customers in the Tennessee Valley, and now we can service them faster and more cost effectively. It's also a win for our employees and their families in the Tennessee Valley who can perform more work closer to home," Andrew E. Edwards, president of Dunn Building Co., said in a release. Jason Hennessee...