Porta-King offers a wide range of prefabricated building systems, providing shelter and storage solutions for virtually any working environment. Our Modular Systems offer the flexibility you need to suit any application. Their pre-assembled buildings and shelters are designed for a multitude of applications, are constantly being modified to accommodate today's environmental demands and customized to meet any architectural design. In addition, they manufacture a full line of structural steel mezzanines, catwalks and work platforms, which are all designed in compliance with the latest national code (IBC 2003).