Marketplace Ministries, based in Plano, Texas, is the nation’s largest provider of workplace chaplains, a growing service industry. It has an annual budget of $14 million and sends thousands of chaplains into workplaces around the world. Although almost all workplace chaplains are Christian, their job is not to proselytize, and they relate to employees of any or no faith. Their job is more to listen than to speak. Company executives are discovering that productivity goes up when stress goes down (NPR, December 11).