Porta-King Building Systems
(800) 284-5346
4133 Shoreline Drive, Earth City, Missouri, 63045
Business hours
Mon: 08:00 - 17:00
Tue: 08:00 - 17:00
Wed: 08:00 - 17:00
Thu: 08:00 - 17:00
Fri: 08:00 - 17:00
Sat: Closed
Sun: Closed
About us
Porta-King has been committed to creating modern, innovative, cost effective, and quality modular and prefabricated building systems and structures since 1969. From guard booths to modular inplant offices and mezzanines, we offer a wide range of modular buildings and prefabricated structures that can be customized to meet your specific needs.