A S & W Wholesale, 4215 Shoreline Dr, Earth City, MO 63045, US

Porta-King offers a wide range of prefabricated building systems, which provide shelter and storage for virtually any working environment. The company s building systems include structure mezzanines, such as guard towers, observation towers and platforms and work platforms; modular systems and enclosures, such as in-plant offices, modular walls and partitions; pre-assembled buildings, including guard, parking and security booths and buildings; as well as bus, equipment and smoking shelters. Porta-King has 10 regional sales offices in the United States and two production facilities in Missouri, which total more than 150,000 square feet.