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We Build the Box to Fit the Customer’s need
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Custom Manufacturing Capabilities

Electrical Enclosures for Demanding Applications

Outdoor electrical cabinets on concrete platforms in a grassy area.

When an electrical enclosure fails, it's rarely subtle. Moisture finds its way in. Heat builds up where it shouldn't. Access becomes a problem at exactly the wrong time. And suddenly, a component that should have been protected becomes the weak link in the system.

That's why experienced teams spec electrical enclosures they can trust in real operating conditions. At Bison ProFab, electrical enclosure design starts with the assumption that these systems will be pushed, exposed, and relied on long after installation. Our job is to make sure the enclosure is something you never have to worry about.

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Close-up of two gray electrical cabinets mounted on a wall.

Built for the Conditions You Can't Control

On paper, most enclosures look the same. In the field, that's rarely the case. Temperature swings, vibration, dust, washdowns, and weather all have a way of exposing design shortcuts over time. Outdoor electrical enclosures, in particular, don't get the benefit of controlled environments, and they don't get second chances either.

Good enclosure design anticipates those variables. It accounts for airflow, sealing, corrosion resistance, and service access before the first piece of metal is cut.

Electrical Enclosure Cabinets That Match the Application

Off-the-shelf solutions work—until they don't. Real-world layouts, component spacing, mounting requirements, and environmental ratings often push electrical enclosure cabinets beyond what standard models were built to handle.

A well-designed enclosure supports installation and holds up over time without driving up costs or introducing unnecessary risk.

A Collaborative Electrical Enclosure Manufacturer You Can Rely On

Bison ProFab is an industry leader in manufacturing NEMA & IP-rated custom electrical enclosures and cabinets to industry standards and ratings, whether they're made from aluminum or a steel alloy. Bison has built a reputation for providing custom power enclosures at standard-model prices.

Our electrical enclosure designs rise above "standard". Bison strives to always improve manufacturing processes and standards, which is why we have acquired the necessary certifications and approval to manufacture electrical enclosures to the following industry standards.

Bison Profab's industry experience ranges from telecommunications and traffic control to oil & gas. Our custom manufacturing and fabrication offerings, including powder coating, corner forming, and welding, guarantee to meet your needs and specifications.  

For projects requiring explosion protection or compliance with global standards, Bison ProFab also engineers ATEX and IECEx certified enclosures that meet rigorous safety and environmental requirements. Our certified line includes 304 stainless steel screw cover enclosures, 304 stainless steel hinged door enclosures, 316 stainless steel screw cover enclosures, and 316 stainless steel hinged door enclosures—all built for exceptional durability in hazardous areas.

Get the Best Protection for Your Electrical Equipment

Whether you're scoping a new project or refining an existing design, getting accurate electrical enclosure cabinet pricing starts with a clear conversation, and Bison ProFab is here to help. We work closely with engineers, project managers, and purchasing teams to make sure enclosure designs are practical to build and install. From early design input to final production, the focus stays on eliminating surprises and delivering enclosures that stand the test of time. Provide us with finalized drawings, or let us collaborate with you to develop custom-made enclosures for your application.

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Both the customer and I were very impressed with the quality of the boxes.

Mike, I wanted to say THANK YOU to the whole Bison Profab team including yourself on this project! Both the customer and I were very impressed with the quality of the boxes. Again, THANK YOU!

Jesse Harris Snap-on Industrial
Professional, exceptional quality and delivers on time.

Doing Business with Bison for 20 years says everything. Professional, exceptional quality and delivers on time.

Shelly Anthony Paradigm Traffic Systems Inc. View All Testimonials
Both the customer and I were very impressed with the quality of the boxes.

Mike, I wanted to say THANK YOU to the whole Bison Profab team including yourself on this project! Both the customer and I were very impressed with the quality of the boxes. Again, THANK YOU!

Jesse Harris Snap-on Industrial
Professional, exceptional quality and delivers on time.

Doing Business with Bison for 20 years says everything. Professional, exceptional quality and delivers on time.

Shelly Anthony Paradigm Traffic Systems Inc. View All Testimonials
MEETING CERTIFIED ENVIRONMENTAL RATINGS

We need enclosure dimensions, material preference, environmental rating requirements (such as NEMA or IP), and any cutouts or mounting considerations. Drawings are helpful but not required—many projects start with a discussion and evolve from there. The goal is to understand how the custom electrical boxes will be used.

Yes. We regularly work from existing enclosures, drawings, or field-installed units that need to be updated, replicated, or improved. This is common when replacing discontinued models, standardizing enclosures across sites, or correcting design limitations discovered after installation.

NEMA and IP ratings influence material selection, gasketing, sealing methods, and fabrication tolerances. Higher ratings typically require tighter controls and additional manufacturing steps, which can impact cost. Bison's enclosures meet the required rating without overengineering, helping customers avoid unnecessary expense.

Yes. We manufacture durable outdoor electrical enclosures that withstand weather exposure, corrosion, temperature fluctuations, and industrial conditions. Material selection, coatings, and sealing methods are matched to the environment to support long-term performance in the field.

We engineer and manufacture ATEX and IECEx certified enclosures for hazardous locations, including durable stainless steel configurations designed for compliance. These enclosures meet the stringent safety and environmental standards required in regulated applications.

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