Porta-King is the largest manufacturer of pre-engineered buildings used in the Industrial, Commercial, Security and Petroleum ... markets. We create insulated, sound reducing work environments - anywhere, anytime. From wall partitions to modular buildings, we can create a solution for your workplace. Our products include - Prefabricated In-Plant Offices - Modular In-Plant Offices - Modular Clean Rooms - Modular Wall Systems - Security Buildings - Bullet Resistant Guardhouses - Mezzanine Systems - Security Towers - Smoking Shelters - Revenue Control Buildings - Machine Enclosures read more