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Partnered with Kirby Building Systems, JBrennon provides the North Georgia and Southeast Tennessee areas America's best value and quality-centric pre-engineered metal buildings.  An authorized builder for Kirby Building Systems, JBrennon exclusively offers design, fabrication, and construction of NUCOR-Kirby products for a host of end uses including turn-key ground-up construction or additions to existing buildings.  See below and tell us how we can help you by clicking here.

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Explore Our Services


Custom-engineered steel building solutions offer unsurpassed flexibility, speed of construction, superior strength, and innovative features.  Your commercial offices can be designed with a range of exterior aesthetic options such as glass, brick, or block and incorporate unique architectural details and complex designs that allow your project to stand apart from the rest.


Meeting the needs of industrial manufacturing, JBrennon provides unparalleled, pre-engineered building solutions for ground-ups and additions.  Our design team will evaluate your property or existing building and generate integrated structural, architectural, and mechanical and electrical design drawings to deliver cost-effective and long-lasting workspace for your business.  


There is no limit to what JBrennon-Kirby Building Systems can design and construct.  Agricultural buildings are as popular as ever and necessary to meet the demands of rural business owners.  Our pre-engineered systems include building climate-controlled spaces for livestock, horses, and feed and supply.  


Pre-engineered construction for gymnasiums and sport halls offer end users the freedom and flexibility to host any number of events on their properties.  While exterior construction can remain budget friendly, interior finishes can range in design complexity, delivering additional office or classroom space, mezzanines, and kitchen space, providing multi-use.  Integrated garage door systems, open air pavilions, and breezeways to other structures can be added with ease.


The possibilities are endless when choosing a Kirby system to build your custom home.  With innumerable exterior and interior design elements available to meet your customized requirements, JBrennon can apply the best engineering and energy efficient options available to construct a home using a variety of materials to include insulated metal panels, glass, wood, brick, and stone elements, custom steel and metal bump-outs.  Roof lines can be customized to look and feel like a traditional home while providing freedom and space open air in other areas of the home for integrated spaces such as multi-car garages, aircraft hangars, workshops, and even indoor basketball and tennis courts.


Storage and warehousing comprise an enormous market share of pre-engineered metal building construction--and for good reason.  Offering unlimited space and simplistic design, JBrennon's turn-key metal building packages are the most budget friendly choice for anyone looking to add storage to their existing operations or create office space and warehousing for a new business.  They are a modern, econonical, and durable choice for flex warehouses, fulfillment centers, cold storage, and distributions centers, long/short term storage.

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Choosing Kirby

For over six decades, Kirby Building Systems has been a pioneer in the design, manufacture, and delivery of custom-engineered metal buildings and steel roofing systems. As leaders in innovation, we design and detail our buildings using BIM 3D technology, which provides three-dimensional, real-time, dynamic building modeling—increasing productivity and the opportunity to identify issues prior to building construction. JBrennon, an authorized Kirby builder, possesses the skill necessary to deliver top quality projects that fit your unique applications that are energy efficient and environmentally friendly. 

Cost Effective

Increased longevity & minimal maintenance

faster construction time

easy to erect

reduced design time

wide ranging applications 

easy of expansion

architectural flexibility 

energy efficient


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