These prefabricated buildings are constructed at our location and are shipped to your facility, ready for installation. Having the prefab building assembled here means no mess and a strong, built for transportation building for you. The forkliftable steel base makes the preassembled building easy to relocate and install. The system is suited for industrial, commercial or military applications that require an immediate space solution. br br Panel Built, Inc. is one of the fastest growing companies in the modular construction industry. From inplant offices to mezzanines to ballistic rated guard houses, we have one goal, "To Solve Our Customers Space Needs with Excellence and Great Customer Service.