Knockout Welding 

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Precision Welding & Metal Fabrication in Los Alamos, NM

At Knockout Welding, we believe metalwork should be built to last — strong, precise, and tailored to your exact needs. Located in Los Alamos, NM, we’re proud to be the trusted local source for high-quality welding and custom fabrication services. From residential gates and handrails to industrial structures and equipment repair, every weld we make is a blend of durability, craftsmanship, and attention to detail.


We bring years of hands-on experience to every project, serving homeowners, contractors, and facilities across Los Alamos and surrounding areas. Whether you need a small repair or a large-scale fabrication, our mission is simple: to deliver welding solutions that are safe, efficient, and made to stand the test of time.

Expert Welding Services in Los Alamos, NM

Knockout Welding provides a full range of residential, commercial, and industrial welding services. Our certified welders handle projects of every size — from decorative metalwork to heavy-duty structural fabrication. Below is an overview of the specialized services we offer throughout Los Alamos and neighboring communities like White Rock and Española.

Custom Metal Fabrication

We transform raw steel, aluminum, and stainless materials into finished products that are as functional as they are beautiful. Our custom metal fabrication services cover everything from gates, frames, and railings to complex industrial components. Every project is designed to meet your specifications with precision welding, professional finishes, and lasting strength that performs in New Mexico’s climate.

Mobile / On-Site Welding

When the job can’t come to the shop, we bring the shop to you. Our mobile welding service in Los Alamos, NM is fully equipped to handle on-site fabrication, repair, and installation. Whether you need a trailer fixed, a gate repaired, or a structure reinforced, our team works efficiently at your location to minimize downtime and deliver clean, strong welds you can rely on.

Welding Repair & Maintenance

Metal fatigue, corrosion, or impact damage can compromise safety and function. Our welding repair and maintenance services restore integrity to your gates, trailers, equipment, and structures. Using MIG, TIG, and Stick processes, we perform both emergency repairs and preventive maintenance to keep your metal assets in excellent shape — saving you time and money over replacement costs.

Residential Welding

Your home deserves craftsmanship that looks great and lasts for decades. Knockout Welding specializes in residential welding in Los Alamos, including:

Custom Gates & Openers

Custom Gates & Openers

Secure and stylish designs for driveways, ranches, and entryways.

Fencing, Railings & Handrails

Fencing, Railings & Handrails

Built for safety, elegance, and durability.

Stairs & Stringers

Stairs & Stringers

Structural welding for interior and exterior stair systems.

Ornamental Ironwork

Ornamental Ironwork

Unique metal doors, window guards, and decorative features crafted by hand.

Every project reflects a commitment to both form and function — metalwork that enhances your property and stands up to everyday use.

Commercial Welding

Our commercial welding services are trusted by local contractors, facility managers, and business owners across Los Alamos. We handle structural steel fabrication, safety railings, platforms, and equipment frames, ensuring each piece meets local codes and industry standards. Whether you’re building a new space or maintaining an existing one, Knockout Welding delivers professional-grade metalwork that supports your operations for years to come.

Industrial Welding & Facility Support

Industrial environments demand precision and compliance, and our team is built for it. We offer industrial welding and facility maintenance support, including structural steel fabrication, equipment repair, pipe welding, and plant maintenance. Every weld is completed according to AWS and ASME standards, with full documentation and inspection when required.


We proudly support industrial and laboratory facilities in the Los Alamos area — delivering reliable welding that keeps operations safe and productive.

MIG, TIG & Stick Welding

Knockout Welding is proficient in all major welding processes, allowing us to handle any material or setting:

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MIG Welding:

Fast and efficient for steel and aluminum.

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TIG Welding:

Precise and clean for stainless steel and decorative work.

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Stick Welding:

Rugged and reliable for outdoor and heavy-duty applications.

By selecting the right process for each project, we ensure every weld achieves the best possible combination of strength, appearance, and longevity.

Heavy Equipment & Trailer Repairs

When your trailer or machinery breaks down, it can interrupt your day or halt your work entirely. Our trailer welding and heavy equipment repair services restore your rigs, frames, hitches, and attachments to full working condition. From small residential trailers to large construction machinery, we deliver fast, field-ready repairs that keep your operations running smoothly.

Ornamental & Architectural Ironwork

Welding isn’t just functional — it’s also creative. Our ornamental ironwork services include custom doors, window guards, decorative panels, and artistic metal designs. Each piece is hand-welded and finished to match your vision, blending craftsmanship with structural integrity. These elements add beauty, security, and personality to any home or business in Los Alamos.

Why Los Alamos Chooses Knockout Welding

As a locally owned and operated business, Knockout Welding is proud to serve the Los Alamos community with integrity and skill. Our reputation is built on reliable workmanship, transparent communication, and consistent results. Every project, big or small, receives our full attention — because to us, quality welding isn’t just a service, it’s a promise.



We combine modern equipment, certified techniques, and local expertise to produce results that meet both your expectations and industry standards. Whether it’s a decorative railing or an industrial beam, you can trust Knockout Welding to get it done right the first time.

Ready to Get Started?

When you need expert welding in Los Alamos, you need a team that’s responsive, precise, and dependable. Knockout Welding is ready to help with your next project — whether it’s fabrication, repair, or on-site service.


Contact us today to request a quote, schedule a consultation, or learn more about our welding capabilities. Let’s build something strong together.