Companies that claim to be “transforming” seem to be everywhere. But when you look more deeply into whether those organizations are truly redefining what they are and what they do, stories of successful change efforts are exceptionally rare. In a study of S&P 500 and Global 500 firms, our team found that those leading the most successful transformations, creating new offerings and business models to push into new growth markets, share common characteristics and strategies. Before describing those, let’s look at how we identified the exceptional firms that rose to the top of our ranking, a group we call the Transformation 10.