Custom fabrication of protective cages for heating and air units to prevent copper theft. We cater to strip malls,retail centers, property managers, churches and schools. Protective Cages - a division of Kimberly Steel Solutions Collectively, employees of Protective Cages™ have over 40 years of experience in fabrication of steel products, and a personal interest in protecting personal assets. As a steel fabricator and commercial / industrial investor, we know the impact of theft on time and money. Protective Cages™ strives to offer quality A/C unit and industrial protective cages with excellent durability. We are proud to help you protect your investment, and deter crime.