Local Experts: We live, play, and work in Colorado Springs and the surrounding area. We are committed to be the most knowledgeable, strategic, and responsive firm because we want the best for our city, our neighbors, and our clients. Here From The Beginning: Quantum started in Colorado Springs and has always been in the heart of our city. We began with a devotion to superior service to our clients and committed to solid relationships. We continue with the same values. That is who we are. Quantum Commercial Group Inc is a real estate company based out of 101 N Cascade Ave # 200, Colorado Springs, Colorado, United States.