Office of Mobile Design (OMD), a Jennifer Siegal company, is dedicated to the design and construction of responsible, sustainable, beautiful homes. Championing mass customization and celebrating individual choice, they provide a wide range of options and configurations in their prefabricated homes, schools and other building types. They assert that OMD Prefab homes cost about 15% less than conventional building, take less than half the construction time, and employ more sustainable building methods. From careful building orientation to the specification of green materials, they employ sustainable design concepts and details in all their work. They provide design services from feasibility to permitting and construction observation.