Milieu Design | Interiors, Achitectual, Graphics Milieu Design provides interior design, exterior design, and architectural design services. We offer drafting, residential design, commercial design, hospitality design, finish & material selectio Milieu Design provides interior design, exterior design, and architectural design services. We offer drafting, residential design, commercial design, hospitality design, finish & material selections, custom furniture manufacturing, and furnishings & decor. While primarily serving Cache Valley and Utah, we have designed projects in Idaho, Montana, Texas, California, Mexico, and beyond.