Custom Electrical Enclosures, NEMA Cabinets & Precision Sheetmetal Fabrication
Povolny Specialties is a Minnesota-based manufacturer specializing in custom electrical enclosures, NEMA-rated cabinets, and precision metal fabrication—built to your specifications. We serve electrical contractors, OEMs, and infrastructure projects that require durable, code-compliant enclosure solutions.
We manufacture high-quality aluminum and stainless steel enclosures, including NEMA 1, 3R, 4, 4X, and 12, along with cabinets for signal service and street lighting applications. Our products are designed to protect critical electrical systems in demanding environments.
What We Build
• Custom & Standard Electrical Enclosures
• NEMA 1, 3R, 4, 4X, & 12 Enclosures
• Signal Service & Street Lighting Cabinets
• L1, L2, BBU, SSB, and CCTV Cabinets
Precision Fabrication Capabilities
• CNC Laser Cutting, Turret Punching & Forming
• Welding & Assembly
• Electrical Cabinet Assembly
• Custom Fabrication for Specialized Applications
Certifications & Compliance
• UL-508A Certified
• UL-1598 Certified
• CSA-C22.2 Compliance
• ETL Certification
Povolny Specialties delivers custom-built electrical enclosures and cabinets designed for performance, durability, and compliance.
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Built to Your Specifications
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NEMA-Rated for Indoor & Outdoor Use
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UL-Recognized Manufacturing Capabilities
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Precision CNC Fabrication & Assembly
Our electrical enclosures and cabinets are used in:
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Utility & Infrastructure Projects
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Traffic Signal & Street Lighting Systems
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Industrial & Manufacturing Facilities
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OEM Equipment & Control Systems
We design and build enclosures to meet real-world environmental and electrical demands, from indoor control panels to outdoor NEMA-rated installations.
Whether you need a standard enclosure or a fully custom-built solution, our team delivers precision, reliability, and performance. Contact us to discuss your project or request a quote.
Custom Enclosure Manufacturing, Done Right
Since 1993, Povolny Specialties has been a trusted manufacturing partner to the electrical industry. We design and produce custom electrical enclosures and components tailored to each application. Through disciplined processes and experienced craftsmanship, we deliver consistent quality, precision, and reliability—project after project.
Our Specialties
Custom Enclosures
Electrical Assembly
Custom Projects
Precision Fabrication
Technical Support
Precision-built custom electrical enclosures designed for application performance and environmental demands.
Electrical control panel assemblies built to specification with organized wiring, labeled components, and consistent build quality.
Custom electrical projects built for electricians and facilities, delivering practical, site-ready solutions for upgrades, retrofits, and special applications.
Precision fabrication delivering accurately formed, cut, and finished components built to specification for demanding electrical and industrial applications. Our services include laser cutting, punching, water jet, welding, painting, powder coating, and more.
Consultative guidance on material selection and engineering specifications to ensure your project performs under any conditions.