
Agricultural Buildings
A post-frame agricultural building can be a great place to store farm equipment and machinery to protect it from the Midwest weather.

Commercial Buildings
Commercial pole buildings are an easy way to get your business built. We offer professional design plans, guidance, and quality construction.

Residential Buildings
Pole barn homes are a popular option because they can be a shop and home in one. You can get comfort, convenience, and customization with pole barn living.
Award-Winning Post Frame Buildings
Over the past decade, Greiner has been recognized time and again for excellence.
We've been honored to receive nationwide awards for our work designing and constructing post frame shops and dwellings.
Our Expertise, Shared
Experience is a prerequisite to excellence. Learn from our many years of building post frame homes and pole barns through these articles.
6 Steps For Choosing Your Ideal Pole Barn Windows
Pole barn windows come in a wide range of materials and designs. These choices will depend on the building style and your project’s budget. Here are 6 crucial steps to help you pick the best windows for your building. The right windows can save you up to 50% on energy loss. So, this is not…
Read MoreRV Barn With Living Quarters: Your Custom Dream Home
An RV barn with living quarters might be just what you need to combine your love of travel with your dream home. We all dream of traveling once the kids are out of the house and jobs aren’t holding us down. But, you need a home base, right? Living the full-time RV life sounds great,…
Read MoreHow to Keep Mice Out of Your Pole Barn or Storage Shed
As winter approaches, mice and other rodents are likely to try to find new places to stay warm and fed. Outbuildings, including your prized pole building and storage shed, often serve as an ideal home for these unwanted visitors. Not only do mice carry disease and unpleasant smells, they are extremely destructive for such a…
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Iowa and Illinois Accredited NFBA Builders. Washington, Clive, Kewanee, Quad Cities, Muscatine, Burlington, Des Moines, Ankeny, Winterset, Cedar Rapids, Iowa City, Solon, North Liberty, Mount Pleasant, Fairfield, Pella, Tipton, Williamsburg, Newton, Keota, Sigourney, Hiawatha, Marion, Columbus Junction, Wapello, Oskaloosa, Knoxville, Marshalltown, Altoona, Urbandale, West Des Moines, Bettendorf, Davenport, Ames, Kalona, Riverside, West Liberty, Princeton, Geneseo, Galesburg, LaSalle, Dixon, Rock Island, Moline, Wyoming, Sterling. Iowa and Illinois Quality Built Post Frame Pole Barns.