Your Project. Our Craft.
O’Neil Building Systems specializes in custom post-frame and steel structures, designed to fit your vision and built with lasting quality. Whether you need a barn, a commercial facility, or direct steel and lumber supply, our team provides the expertise and service you can count on from start to finish.
Our Solutions
Residential
From barndominiums to pool houses, we’ll help you design a home that’s as functional as it is beautiful.
Farm & Equestrian
Your equipment and animals deserve a space built for safety, comfort, and efficiency. Design the barn or equestrian facility that keeps your farm running strong.
Commercial
From warehouses and manufacturing facilities to airplane hangars, storage units, and equipment buildings, we deliver durable, custom – built commercial structures designed to grow with your business.
Steel & Lumber Supply
Whether you’re tackling a small project or managing a large build, we supply quality steel and lumber—backed by expertise and service you can count on.
Capital Development Board Approved Builder
50 Years in Business
A+ Rating
What Makes O’Neil Unique
Choosing O’Neil means more than just getting a building — it means having a partner at every step. Our process is simple, transparent, and designed around your needs, so you know exactly what to expect.
The O’Neil Build Plan
- Call – Start with a conversation. We’ll listen to your needs and goals for a custom building.
- Visit – If requested, we’ll visit your build site to better understand your project and vision.
- Develop – Our team will create a detailed proposal and bid tailored to your structure.
Along the way, we make financing straightforward and accessible. Explore your options on our financing page and take the first step toward building with confidence.
