Finding reliable metalwork partners can feel daunting, especially when your project’s structural integrity is on the line.
If you’re managing large-scale industrial builds or looking for custom residential metalwork, sourcing the best steel fabrication services in San Antonio requires careful consideration.
First off, you need a partner who delivers precision cuts and timely execution.
While some homeowners might focus on minor home upgrades or quality appliance repair, major developers often collaborate with top construction companies to erect massive structural frameworks.
To address various needs, I explored the local market. Read on so you can identify the most capable fabrication shops that handle everything from delicate ornamental ironwork to heavy-duty industrial processing!
How much does steel fabrication cost in San Antonio?
Metal fabrication projects in San Antonio vary widely by scale and complexity, with welders generally charging hourly rates alongside flat project fees.
| Project Type / Service | Average Cost |
| General Project Range | $89 – $755 |
| Average Project Cost | $336 – $500 |
| Large Custom Projects | $9,500+ |
| Welder Hourly Rate | $65 – $150 |
1. Alamo City Custom Welding & Construction

Website: https://www.alamocitycustomwelding.com/
Address: 930 Peggy Dr.
Contact: 210-233-6340
Hours: Monday to Friday – 8 am to 4 pm
When a building needs to be strong, Alamo City Custom Welding & Construction focuses on getting the job “done right the first time.” This local shop handles everything from decorative gates to large steel frames, providing contractors with great flexibility.
I recently saw their team work on a commercial fence, and they were great at switching between shop work and welding at the actual site. They even offer a one-year warranty, which acts as a nice safety net for your investment.
However, they have a small team of under ten people, so very large industrial jobs might take them longer to finish.
Despite their size, they remain a top choice for mid-sized commercial builds and home upgrades, prioritizing quality over volume.
these guys made it happen!
I hired Alamo City Custom Welding to erect two carports on a commercial project. It was a challenging job site with less than desirable conditions but these guys made it happen! They do top quality work and everyone on there crew was great. Dustin is my go to guy on all metal work and steel erecting projects in the future.
Michael K Brown | Google Review
the best!!
Some years ago I purchased a very expensive special purpose musical instrument dolly – after a few years of heavy use, the weight-bearing aluminum tray warped and broke. Alamo City Custom Welding designed, crafted and welded a new custom fit heavy duty tray out of steel plate to replace the broken one – the dolly has been back in service for several years with absolutely no problem. Thanks, Alamo City, for your expertise and craftsmanship in making this very specialized repair for me. You’re the best!!
John Strand | Google Review
2. Studio Ironworks LLC

Website: https://www.studioironworksllc.com/
Address: 7319 Caribou St.
Contact: 210-872-1656
Hours: By appointment only
If you need something that looks amazing, Studio Ironworks specializes in artistic and decorative metalwork. What stands out is their professional design process, which starts with computer drafts and ends with custom paint in a large in-house spray booth.
By mixing modern computer cutting with old-school blacksmithing, they make very precise handrails, backlit signs, and custom furniture.
A mechanical engineering background helps them ensure every pretty piece is also safe and strong.
Because they focus so much on art and design, they aren’t the best fit for heavy-duty industrial parts for a factory or warehouse.
Ultimately, they’re the go-to team when the look of the metal is just as important as the function, making them popular for high-end homes and restaurants.
knew exactly what to do
Zack did an excellent job… he was very quick n efficient… we gave him an idea of what we wanted and knew exactly what to do. We highly recommend him… he is very polite n courteous and offers nothing but quality work at a very fair price.
Ana De Luna | Google Review
come out even better than imagined
Zach is absolutely amazing! The things he can put together are beautiful and come out even better than imagined. He’s made a beautiful backlit sign for our restaurant and is making absolutely beautiful iron work for multiple areas in our home! Can’t wait to see them!
Erin Tireman | Google Review
3. Alamo Iron Works

Website: https://www.alamoironworks.com/
Address: 943 Frost Bank Center Dr
Contact: (210) 223-6161
Hours: Monday to Friday – 7:30 am to 5:00 pm
With over 150 years in business, Alamo Iron Works is a massive supplier and fabrication leader in South Texas. They keep thousands of tons of raw steel in stock and use their own fleet of trucks to deliver materials quickly to job sites.
Their high-speed cutting and Kinetic plate processing systems are perfect for massive warehouse builds, bridges, and government projects.
They provide everything from reinforcing steel to complex industrial parts, acting as a one-stop shop for major contractors.
While they’re an industrial powerhouse, some customers have noted that communication with their staff can be inconsistent depending on who handles their account.
Still, their massive inventory and unmatched processing speed make them a formidable partner for any large-scale development that needs to stay on a tight schedule.
4. Wilborn Steel Co Ltd

Website: https://wilbornsteel.com/
Address: 2315 Dan’s Ct
Contact: (210) 532-6852
Hours: Not listed
Since 1986, Wilborn Steel Co has focused strictly on industrial and structural steel projects. They work out of a large 25,000-square-foot shop and handle many private and federal government contracts.
Wilborn Steel Co. is known for high quality and a commitment to staying on schedule, which is vital for large construction jobs.
They also hold special certifications as a minority-owned business, which helps them win bids for city infrastructure and military projects.
Their leadership team brings decades of experience to every job, ensuring that even complex steel frames are built to exact standards.
With a team of about 18 people, they’re very efficient but might struggle with massive, multi-site developments compared to giant national corporations.
In my book, they’re among the best options for projects that need professional oversight and technical expertise.
5. Texas Sheet Metal

Website: https://www.texassheetmetal.com/
Address: 215 W. Cevallos St.
Contact: 210-222-8655
Hours: Monday to Friday – 7:00 am to 4:30 pm
For places like hospitals and restaurants that need to stay very clean, Texas Sheet Metal specializes in custom stainless steel. They’re a third-generation family business that has been around since 1946, merging traditional skills with new machinery.
They make exact countertops, sinks, and specialized kitchen equipment that meet high safety and health standards (like NSF certification).
Also, their focus is very narrow; they’re experts in kitchen and sanitary equipment, but they don’t usually handle the heavy structural steel used in building frames.
Luckily, they provide a full service from design to installation, ensuring that every piece fits perfectly in a professional kitchen or medical lab.
This focus on high-grade stainless steel makes them a niche leader in San Antonio, though it limits their ability to help with general construction or industrial manufacturing projects.





