Marvin Windows is a pioneer in its industry offering craftsman-quality construction, energy-efficient technology, and the industry's most extensive selection of shapes, styles, sizes and options. Since the beginning they have always looked for new innovations and ways to deliver the most beautifully handcrafted, highest performing windows and doors. For their head office in Minnesota, they called upon Shea Design and Greiner Construction to develop a space that reflects their innovative and quality-driven company.