Panel Built was founded in 1995 by brothers Pat and Mike Kiernan, and began with the construction of pre-manufactured buildings. Today, Panel Built offers a complete line of custom modular offices, mezzanines, pre-assembled and exterior buildings. All our multiple product lines are produced on site, in four state-of-the-art manufacturing facilities. We offer “A Better Way to Create Space” for all of your building projectsTo Provide the Best Possible Space Solutions to Our Customers with Excellence and Great Customer Service.Panel Built modular offices and mezzanines are 100% relocatable and expandable. We offer many options to buy or lease, as well as assistance with financing.  Quality Matchless strength and durability, is the “core” of our building quality. Our light-weight, highly portable structural panels meet all military specifications and exceed most national building codes and OSHA requirements.  Warranty Every PBI Building and Mezzanine owner is provided an exclusive warranty of our workmanship. We stand behind our products!  Service Our dedicated sales team provides confidential free quotes and CAD drawings to help get your project underway. Our team is available to answer any questions about a quotation, an order, freight options or project changes. Customer service works in unison with our shipping and installation departments to ensure an on-time delivery and set up, with the least amount of disruption to your business.  Products Panel Built manufactures standard and custom modular buildings including: One-, Two-, and Three-Story In-Plant Offices, Multi-Purpose Mezzanine Systems, Security/Guard Stations, Interior and Exterior Equipment Enclosures, Wall Partitions, Clean Rooms, Exterior Offices, Stair Systems, and Special-Use Buildings.  For superior quality, dependable service, and innovative solutions, Panel Built is your best choice. We invite you to experience the Panel Built difference.