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.
THE MISSION: WE DON’T BUILD FOR EVERYONE
We Build for the Few Who Demand the Best.
Our mission is not to be the busiest builder in the region, nor the cheapest. Our mission is to set the standard by which all other structures are judged. We exist to serve the client who understands that a building is a legacy—not a temporary shelter.
When you see our “O” on a structure, it is not just a brand; it is a seal of dominance, durability, and uncompromising excellence.
THE “O” STANDARD
An Invitation, Not a Commodity.
Let us be direct: We are not the cheapest option on the market, and we refuse to be.
If you are looking for a bargain building—one that will fade in five years, dent in a hailstorm, and rot at the base—we are not the provider for you. There are plenty of budget builders who will gladly take your money for a structure that will sink and warp before the decade is out.
We build for the client who values longevity over the lowest bid. We build for those who want a structure that looks as commanding in twenty years as it does on day one. Our schedule is limited because we refuse to rush perfection. Securing a spot on our build calendar means securing a structure built superior to the competition, hands down.
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.
THE EVIDENCE: WHY OUR COMPETITORS FAIL
Most builders cut corners to win bids. We add reinforcement to win against time and weather. Here are some differences between a failing structure and a Premium Build.
1. THE FOUNDATION: CONCRETE INTEGRITY
The Industry Shortcut: The single biggest cause of building failure is improper post installation. Many builders simply dig holes and drop posts in without pads. Within five years, the building sinks, warps, and loses structural integrity.
Our Standard: We never let wood touch dirt without support. Every single post is set on a concrete plate (pad) and fully encased in cement. Furthermore, when pouring floors, we pour 4–5 inch concrete slabs to ensure load integrity, unlike the 2–3 inch “cost-saver” pads used by others.
2. STRUCTURAL SKELETON: STRENGTH IN NUMBERS
The Industry Shortcut: Competitors space wall girts at 4 feet to save on lumber and labor. For a 2×6 girt, this is insufficient and leads to weak walls.
Our Standard: We build with 2-foot spacing. We use significantly more lumber to ensure your wall strength is doubled and stability is guaranteed.
3. THE EXTERIOR SKIN: PREMIUM VS. COMMODITY
The Industry Shortcut (What to watch out for): Many builders cut costs by using cheap, thin 29-gauge panels on the exterior. This is essentially “interior-grade” metal—the same thin material used for liner panels inside a building. Because it is too thin for exterior abuse, it suffers from “oil canning” (wavy, cheap-looking metal) and dents very easily. Furthermore, these roofs are often slapped on without alignment, resulting in crooked run-outs.
Our Standard: We refuse to use thin liner panels on the exterior. We exclusively use high-grade 26-gauge exterior panels finished with 40-year warranty-backed paints. You get a heavy-duty skin that resists denting and stays flat. We also meticulously align our wall panels with our roof panels for clean, continuous lines and superior aesthetics.
4. WIND RESISTANCE: THE PURLIN SYSTEM
The Industry Shortcut: “Over-the-top” purlin installation is faster for the builder, but it leaves the roof system vulnerable to being torn off under high wind loads.
Our Standard: We use a hangar-style purlin system. This provides significantly higher wind resistance and structural rigidity compared to traditional methods.
5. FASTENING: HAND-NAILED & PROPERLY SCREWED
The Industry Shortcut: Nail guns are fast but lack holding power. Builders also frequently drive screws into the flat of the panel, which relies entirely on a washer that will eventually fail and leak.
Our Standard: We prioritize strength over speed. We use extensive runners and hand-nail most of our builds to ensure a grip that power tools often miss. We also practice proper screw placement to eliminate the leak risks associated with “flat-screwing.”
6. FINISHING TOUCHES: GUTTER APRONS
The Industry Shortcut: Many companies skip the gutter apron. Without it, the gutter board rots prematurely, creating costly maintenance issues.
Our Standard: We install gutter aprons on every build to protect the wood and ensure your drainage system functions correctly for the life of the building.
