Quality Craftsmanship & Superior Technology

Serving Northeastern Illinois for Over 30 Years

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Welding Experts

To meet the whole of your demands, we use industry best practices in all of our work.

Certified & Insured

Our workforce is qualified and knowledgeable about all industry requirements. To ensure your safety, we are fully licensed and insured.

Experienced Staff

Count on our expertise to complete the task. We have been in this business for more than 30 years.

Competitive Pricing

At the most competitive pricing, you'll get the greatest products and services available.

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To cut down on your waiting time, simply book your appointment online.

Expert Welders Ready to Serve

DNP Welding creates a range of structures using its many years of experience, building technology, and the knowledge of project management and engineering professionals. Our life's work and passion are this. In all of our everyday decisions and deeds, quality and reputation come first. DNP Welding guarantees that its fabrications will be among the finest in terms of both quality and timeliness.

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We Offer the Most

Comprehensive Services

Providing fabrication and installation of structural steel and other metals, DNP Welding is a full-service welding contractor. We are equipped to handle any project.

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Getting the Job Done Right

DNP Welding brings decades of practical knowledge and expertise to every client's project when you choose us. The greatest welding and fabrication services in the region are offered by us at reasonable prices. No matter what your project demands, we are sure that we can provide you the finest outcomes imaginable. So don't seek anywhere else if you're in need of excellent welding services than DNP Welding.

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Mobile Welding Services

Welding is an essential service, so when you need it, you need it immediately. There isn’t always time to pack things up and drive across town, that’s when mobile welding services become incredibly valuable. A crew of highly competent and knowledgeable welders within reach is a precious resource. It doesn't matter if you require our assistance for a few hours on Tuesday or for three weeks. Call DNP Welding if you want mobile welding services in Illinois.

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Fabrication Services

Components that are readily available are used in many goods. However, building custom parts and components offers numerous certain advantages when producing a product that is made to order.

You can be confident that your components are created especially for your application by working with DNP Welding.

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Gate Installation

and Repair Services

Gate installation and repair are areas of expertise for DNP Welding. We can assist you if you want to increase security, privacy or value at your home or place of business. In terms of custom metalwork, we can fulfill your vision. Our unique designs, add beauty, flair and elegance to your house, ranging from the most basic to the most complex.

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Railing Fabrication

and Installation Services

Any commercial, industrial or corporate facility gains shape and purpose from railings that are specifically made for it. DNP Welding has finished a range of handrail projects, from those that were very minor to those that were incredibly enormous and involved literally miles of railings.


We can create and install whatever you can imagine. We produce very simple metal handrails to more complex ones. For all of your handrail fabrication and installation needs, get in touch with DNP Welding.

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Lowboy Trailer Repair Services

Everyday lowboy trailers transport tons of weight. It makes sense that it would weaken with time. DNP Welding provides the best repair services in town to address the problems that have arisen with your car hauler trailers throughout the course of their use. Our staff is renowned in Naperville for providing top-notch services in the field of car hauler trailer repair. Since we have been working in this area for years, we can fix any problem, no matter how frequent or unusual, with your lowboy trailers.

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Check Out Our Work

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CONTACT US

Have a question? We are here to help. Send us a message and we’ll be in touch. 

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Frequently Asked Questions

  • Why choose DNP Welding?

    All of your assembly and construction needs will be met by DNP Welding, a welding company. Construction of gates, roof access ladders, railings, and other items are just a few of the things we do as a welding company. The extensive experience of our owner and staff allows our welding to provide such a wide variety of services.


    For more than 30 years, we have served Naperville and the surrounding regions as a professional welding company, offering top-notch service at a fair and reasonable cost. Therefore, don't wait to choose a welding company. To learn more, contact us right away at 630-712-0530.

  • What's the best way to contact your company?

    We can be reached by phone at 630-712-0530, by email at dnpwelding@comcast.net, or by submitting one of the contact forms available on our site.


    We look forward to hearing from you!

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