Systems Design International, Inc Systems Design International is an architectural consulting firm that specializes in food service, laundry, and back-of-house design and planning. Since 1984, SDI has worked with architects, facility owners, and operators to create functional and lasting support operations. We combine our strong background in design and equipment with the expertise of other team members to find technically sound, economical solutions. Design is rooted in solving complex problems ; adhering to tight project budgets is rooted in experience. SDI provides fully dimensioned design drawings, which noticeably improves coordination among the design team. Coupled with the collaborative tools of Revit Architecture, we deliver a well-coordinated set of plans that smoothly integrate with the teams work. We have built an extensive custom library of Revit models for specialized kitchen and support equipment, so 3D collateral can be fully realized.