Grams Construction is a Native American-owned, Denver-based roofing company. Our core values are centered on professionalism, transparency, and communication. We specialize in both low-slope commercial systems and steep-slope residential roofing, bringing nine years of hands-on experience to every inspection, repair, and replacement we take on. Whether we're working with a property manager, a general contractor, a homeowner, or a government facility, our clients get a single point of contact and a crew that gets the job done right the first time.