Red Ventures, a direct marketing company in Fort Mill, has built a campus of high-tech training and employee development in the Charlotte area. Totaling 300,000 square feet of new space, with a six-story tower and a 60,000-square-foot Learning and Development Center in the shape of a nautilus shell, the building uses approximately 19,000 sq. ft. of SunGuard SuperNeutral 54 on clear glass.