High- Quality  Electrical Manufacturing Services

At Willis Electrical, our team of experienced professionals understand the importance of safe, compliant electrical products. We will work with you to create a high-quality, engineered, polished solution tailored to your project.

We create custom electrical solutions: from panels to enclosures based on size requirements, environmental conditions, and more.

Learn more about our manufacturing services below.

Electrical Manufacturing Services

Enclosure Cut-Out

Enclosure Cut-Outs

We utilize power tools and superior supplies to create cut-outs for electrical panels, taking care to file and refine the space for more efficient panel building and assembly. This helps speed up delivery as you don’t have to wait for the manufacturer.

Manufacturing drill and tap

Drill & Tap

Our in-house drill & tap process will protect the enclosure’s integrity while cutting down the lead times from the manufacturer and maintaining 3rd party approvals.

Custom cast aluminum

Custom Cast Aluminum Enclosures

With our expertise in cast aluminum fabrication, we provide custom enclosure solutions. These meticulously crafted enclosures offer durability and reliability for your electrical systems.

Welding Fabrication

Welding Fabrication

Our welding fabrication services ensure secure and sturdy connections, allowing for the seamless integration of electrical components. We prioritize precision and expertise to deliver outstanding results.

Powder Coating

Powder Coating

We can provide various solutions to help with your painting and powder coating needs. Our team employs industry-leading techniques to offer exceptional finishes that enhance the appearance and longevity of your electrical enclosures.

Custom Wiring Solutions

Custom Wiring Solutions

Tailoring our services to your specific requirements, we provide custom wiring solutions that meet the highest quality and functionality standards. Our team ensures efficient and reliable electrical connections for your projects.

Engraving and Tags

Laser Engraving & Terminal Block Tags

We can use laser engraving to customize tags and other control panel elements with unparalleled precision.

When you trust Willis Electrical with your electrical panel design project, you can trust that you’re partnering with specialists who keep up with the latest industry standards and requirements.

Underwriters Laboratories

Underwriters Laboratories (UL) is a third-party certification company that’s been around for over a century. UL Standards are used to assess products; test components, materials, systems, and performance; and evaluate environmentally sustainable products, renewable energies, food and water products, recycling systems, and other innovative technologies.

Willis Electrical Sales is a certified manufacturer for the UL certifications below.

  • UL 508A: The UL standard for the construction of Industrial Control Panels for ordinary (non-classified) locations
  • UL 698A: The UL standard for Safety Industrial Control Panels Relating to Hazardous (Classified) Locations, including intrinsically safe circuits.
  • NNNY: The UL extension for Industrial Control Panels for use in Hazardous (Classified) Locations, including Explosion Proof Enclosures, Type Z, Type Y, and Type X purge.
Underwriters Laboratories


ATEX and IECEx are international standards regarding equipment for Harsh and Hazardous Locations. The ATEX directives are mandatory certifications for products sold across the EU. While IECEx is a certification monitored by the International Electrotechnical Commission. They act as a common set of safety standards through participating countries, including but not limited to the United States, Australia, and parts of Europe.

Through our partnership with our manufacturers, Willis Electrical can manufacture and certify control products that comply with the varying conditions in ATEX and IECEx standards.

Choose Willis Electrical for

Your Manufacturing Project

For over 25 years, the Willis Electrical team has stayed true to the company’s mission to meet or exceed customers’ expectations while continually improving its quality, service, and management system.

  • Family-owned and operated business
  • Highest-quality assistance through all stages
  • Team members with degrees in mechanical engineering, electrical engineering, business, management information systems (MIS), and more.

As a complete solutions provider, we offer a wide range of manufacturing services, all carried out by skilled professionals with years (or, in some cases, decades) of electrical experience.

Want to partner with us or learn more about our manufacturing services? Contact us today by phone at (281) 469-1268 or email to learn more about our services.

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