Equipment Enclosures

Since 1975, Keystone Structures has been manufacturing prefab portable and modular buildings and structures for use in the industrial marketplace as in-plant offices, equipment enclosures, and modular offices, as well as other preassembled buildings and prefab structures for a wide variety of applications throughout the United States.

Our preassembled structures are available in numerous styles and finishes and can be assembled with state-of-the-art plumbing and wiring technology. Our designers will work from a customer’s drawings, create a prefab building to fit a site plan or pre-existing foundation, or draft a plan from a rough idea based on individual needs and specifications.