Struggling to find a reliable metal enclosure manufacturer who truly delivers on quality and service? You’re not alone! With so many options out there, it’s tough to know which factories stand out—and which might let you down. Choosing the right supplier isn’t just about price; it’s about durability, customization, and a partnership you can count on. Discover which top manufacturers meet the mark and why your next project deserves the best. Read on to find your perfect match!

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NEMA Enclosures – Industrial Electrical Enclosures Manufacturer | Nema …

Product Details:
NEMA Enclosures is a manufacturer specializing in industrial electrical enclosures, including standard and custom-made models. All enclosures are make-to-order and available in materials such as powder-coated carbon steel, 5052 aluminum, and 304 or 316L stainless steel. They offer enclosures that conform to ratings like NEMA (3R, 4, 4X, 12, 3RX), IP (IP54, IP55, IP65, IP66), UL, C-UL, IECEX, and ATEX certifications.

Technical Parameters:
– Material options: powder-coated carbon steel, 5052 aluminum, 304 or 316L
– Available protection ratings: NEMA 3R, 4, 4X, 12, 3RX; IP54, IP55, IP65, IP66;
– Types: wall mount, floor mount, free standing, disconnect, junction box, trough
– Manufacturing process allows shipment of standard enclosures in as little as 5

Application Scenarios:
– Industrial settings requiring protection for electrical components
– Environments with stringent protection ratings for international or hazardous
– Installations needing custom-designed enclosures for specialized equipment

Pros:
– Wide range of international and safety certifications (NEMA, IP, UL, ATEX,
– Custom enclosures can be designed to exact specifications
– Quick manufacturing and shipping turnaround (as little as 5 days for standard
– Direct online ordering with e-commerce tools

Cons:
– All items are make-to-order, which may lead to longer wait times compared to
– Detailed technical specifications (e.g., dimensions, detailed performance data)

Custom Metal Enclosures | Bull Metal

Product Details:
Custom sheet metal manufacturer specializing in American-made metal enclosures, cabinets, toolboxes, carts, bins, and custom sheet metal products for OEMs. Offers assembly, hardware insertion, powder coating, screen printing, and labeling for personalized and durable sheet metal solutions.

Technical Parameters:
– Products constructed using sheet metal, tubing, rigid wire, and aluminum
– Facility spans 50,000+ square feet with modern manufacturing capabilities
– Custom configuration options: dimensions, shelving, locking mechanisms, and
– Various mounting options: wall-mounted, free-standing, and rack-mounted

Application Scenarios:
– OEM manufacturers requiring custom enclosures or storage solutions
– Medical, industrial, laboratory, and automotive equipment enclosures
– Storage and organization for tools, first aid supplies, chemicals, and materials
– Secure storage for narcotics, pharmaceuticals, and flammable materials

Pros:
– Over 65 years of manufacturing experience with American-made quality
– Highly customizable products to precise customer specifications
– Integrated end-to-end services: design, fabrication, assembly, finishing,
– Diverse product categories for multiple industries and applications

Cons:
– Primarily serves OEM and business customers (may not serve individual consumers
– Lead times or minimum order quantities may be longer due to custom nature

Quality Metal Enclosures – Ralston Metal

Product Details:
Ralston Metal Products manufactures quality electrical enclosures, offering both European and North American designs. Their lineup includes enclosures made of mild steel, stainless steel, aluminum, non-metallic materials, as well as modular, hazardous, operator interface, stock modified, custom enclosures, thermal management solutions, accessories, and clearance items. They supply standard, modified, and custom enclosures with a commitment to quality and customer satisfaction.

Technical Parameters:
– Enclosure material options: mild steel, stainless steel, aluminum, non-metallic
– Available in European and North American standards
– Factory-direct shipping
– Offer both stock and fully custom fabricated enclosures

Application Scenarios:
– Industrial electrical and control panel protection
– Hazardous environment installations
– Custom applications requiring tailored enclosure solutions
– Thermal management needs for electrical/electronic components

Pros:
– Wide variety of enclosure types and materials for diverse needs
– Can supply standard, modified, or fully custom enclosures
– Combines European and North American design standards
– Factory-direct shipping increases efficiency and supply chain reliability

Cons:
– Limited detailed technical specifications or certifications provided on the
– No clear information on available sizes, ratings (e.g. IP/NEMA), or

Deep Drawn & Precision Fabricated Metal Enclosures

Product Details:
Norpin Manufacturing specializes in the production of deep drawn metal enclosures, precision fabricated sheet metal parts, deep drawn cans, cases, boxes, cups, caps, canisters, instrument housings, and shells. They offer both custom and standard enclosures in over 25,000 shapes and sizes, with capabilities for value-added processes like powder coating, machining, assembly, and more.

Technical Parameters:
– Over 25,000+ standard shapes and sizes of deep drawn metal enclosures available
– Materials: Aluminum, Stainless Steel, Cold Rolled Steel (CRS)
– On-site design, powder coating, machining, PEM stud insertion, nut plates,
– Additional processes: Painting, anodizing, irridite, alodine, welding, metal

Application Scenarios:
– Aerospace industry
– Aviation industry
– Medical devices
– Automotive electronics
– Food industry

Pros:
– Low and high volume manufacturing capabilities
– Customizable solutions with minimal tooling cost for standard sizes
– 60 year history with reputation for quality and on-time delivery
– Value-added services such as powder coating, assembly, and machining available

Cons:
– Information about certification or specific industry compliance is not detailed
– No explicit mention of support for very complex or non-metallic enclosure needs

Metal Enclosures, Cabinets & Box Manufacturer | Dalsin Industries

Product Details:
Dalsin Industries produces custom metal enclosures, cabinets, and boxes designed to protect and contain electronic and electrical components. Products are tailored for industrial, commercial, and specialized applications, with options to fit specific requirements.

Technical Parameters:
– Materials offered: steel, stainless steel, aluminum, galvanized steel
– Finish options: powder coat, plating, passivation, custom painting
– Capabilities include laser cutting, forming, welding, hardware insertion,
– Custom sizes, shapes, and hole patterns to fit application needs

Application Scenarios:
– Industrial equipment housings
– Electrical and electronic control panels
– Enclosures for automation systems
– Custom solutions for commercial and OEM markets

Pros:
– Flexible, custom fabrication to meet client-specific designs
– Wide range of materials and finishing options for varied environments
– Ability to handle complex assemblies with integrated solutions
– Experience with diverse industries ensures application expertise

Cons:
– Not focused on standard off-the-shelf products; custom orders may require
– Minimum order quantities or setup fees may apply for custom projects

Metal Enclosure Manufacturers Suppliers | IQS Directory

Product Details:
Metal enclosures are boxes, containers, and fabricated shapes made from metals like stainless steel and aluminum. They are used to house, store, and enclose a range of objects, particularly electrical components. Types include electrical cabinets, fuse boxes, and outdoor electrical meters housings. Enclosures can feature heavy or glass doors and can be stamped or punched for cable entry.

Technical Parameters:
– Available in a wide range of sizes, from very large (e.g., electrical
– Can be manufactured in various shapes: rectangular, square, rounded, circular,
– Enclosures may be stamped or punched with holes for cord, wire, or cable
– Some options feature glass doors or heavy doors for equipment monitoring and

Application Scenarios:
– Housing electrical regulation equipment like fuse boxes in buildings
– Protecting outdoor electrical meters for homes and businesses
– Industrial settings to safeguard electrical or mechanical components from dust
– Technical environments such as theaters or concert halls to contain and protect

Pros:
– Protects enclosed objects from dust, dirt, and accidental impact
– Can be designed to allow equipment monitoring via glass doors
– Reduces unwanted noise from enclosed technical equipment
– Assists in meeting agency standards (e.g., NEMA ratings) for equipment

Cons:
– No specific disadvantages are detailed in the provided content

Metal Enclosure Manufacturer – Saipwell

Product Details:
Saipwell manufactures metal enclosures and related products, including electrical cabinets, junction boxes, waterproof boxes, modular cabinets, power distribution systems, new energy enclosures, and industrial plug sockets. Products are available in a range of materials such as steel, stainless steel, aluminum, polycarbonate, fiberglass, ABS, and various plastics. Their offerings include both indoor and outdoor enclosures, with specialized variants for energy, network, and industrial applications.

Technical Parameters:
– Material options: ABS/PC, PA, Nickel Coated Brass, PE, Aluminum, Steel,
– NEMA Ratings: 3S, 4X, 6P, with associated IP ratings for enhanced water and
– Available as wall mount, free-standing, bayed, and network cabinet
– Accessories include fan filters, thermostats, cabinet heaters, cable glands,

Application Scenarios:
– Industrial electrical and control system protection
– Outdoor and harsh environment installations requiring waterproof or
– Power distribution and energy management (including PV, EV charging, and
– Data networking and IT infrastructure housing

Pros:
– Wide selection of materials and enclosure types for customized protection needs
– Designed for demanding environments, including outdoor and industrial
– Offers integrated accessories to support optimal cabinet functionality (e.g.,
– Multiple certifications and NEMA/IP ratings available for specialized

Cons:
– Limited concrete technical specifications or standards listed in the extracted
– Details about maximum supported voltages, sizes, or load capacities are not

Metal Enclosures, Cases and Covers – Hudson Technologies

Product Details:
Hudson Technologies manufactures custom deep-drawn and shallow-drawn metal enclosures, cases, and covers designed to house and protect critical electronic and electrical components. These are seamless metal products used for shielding and protection in various industries, made using deep-drawing or stamping processes.

Technical Parameters:
– Materials used include stainless steel, aluminum, copper, cold-rolled steel,
– Wall thickness as thin as 0.005 inches depending on material and part size.
– Typical depth-to-diameter ratios up to 3:1 with certain configurations.
– Custom shapes including round, square, rectangular, and complex custom

Application Scenarios:
– Enclosures for EMI/RFI shielded electronic circuits and assemblies.
– Protective metal cases for industrial and medical devices.
– Covers for transmitters, RF modules, sensors, and power supplies.

Pros:
– Seamless construction provides superior EMI/RFI shielding and environmental
– Custom design flexibility in shapes, sizes, and materials.
– Deep drawing offers high repeatability and tight tolerances for large
– Corrosion resistance and mechanical robustness, especially in harsh

Cons:
– Tooling costs may be higher for custom and complex designs.
– Limited wall thickness and depth based on material and drawing process.

Custom Metal Enclosures | Waukesha Metal Products

Product Details:
Custom metal enclosures specifically tailored to client specifications, including aluminum boxes, large metal chassis, cabinets, sheet metal boxes, and custom NEMA enclosures for electrical and automotive electronics components.

Technical Parameters:
– Fabrication to tight tolerances
– Materials include aluminum and other metals
– Custom NEMA enclosures available

Application Scenarios:
– Electrical component housings
– Automotive electronics chassis
– General purpose metal cabinets and boxes

Pros:
– Fully custom solutions tailored to exact client requirements
– High quality and durability engineered for strength
– Experienced team capable of handling complex or tight tolerance projects

Cons:
– Lack of off-the-shelf (ready-made) solution; longer lead times likely
– Potentially higher cost compared to adapting standard enclosures

Custom Electronic Enclosures, Parts and Components – Protocase

Product Details:
Protocase specializes in the design, manufacturing, and customization of electronic enclosures made from sheet metal. Enclosure styles include rackmounts, U-shaped/clam shell, L-shaped, desktop, and extruded aluminum, with options for customized cutouts, finishes, colors, and hardware. Enclosures are made to customer specifications with fast production turnaround.

Technical Parameters:
– Materials offered: steel, stainless steel, aluminum
– Standard enclosure thicknesses: 18 gauge to 10 gauge (1.3mm to 3.5mm)
– Standard lead time: 2-3 days for production after design approval
– Customizable with powdercoat, iridite, anodizing, screen printing, silkscreen,

Application Scenarios:
– Prototyping and low-volume production for electronics projects
– Laboratory and test equipment housings
– Industrial control system enclosures
– Chassis for audio, computing, and measurement devices

Pros:
– Fast turnaround, typically producing custom enclosures within 2-3 days
– Highly customizable enclosure designs and finishes
– No minimum order quantity required
– Full in-house manufacturing with design support available

Cons:
– Primarily targeted toward low to medium volume; may not suit high-volume
– Customization may result in higher costs compared to mass-produced enclosures

Comparison Table

Company	Product Details	Pros	Cons	Website
NEMA Enclosures – Industrial Electrical Enclosures Manufacturer	Nema …	NEMA Enclosures is a manufacturer specializing in industrial electrical	Wide range of international and safety certifications (NEMA, IP, UL, ATEX,	All items are make-to-order, which may lead to longer wait times compared to
Custom Metal Enclosures	Bull Metal	Custom sheet metal manufacturer specializing in American-made metal enclosures,	Over 65 years of manufacturing experience with American-made quality Highly	Primarily serves OEM and business customers (may not serve individual consumers
Quality Metal Enclosures – Ralston Metal	Ralston Metal Products manufactures quality electrical enclosures, offering	Wide variety of enclosure types and materials for diverse needs Can supply	Limited detailed technical specifications or certifications provided on the	www.ralstonmetal.com
Deep Drawn & Precision Fabricated Metal Enclosures	Norpin Manufacturing specializes in the production of deep drawn metal	Low and high volume manufacturing capabilities Customizable solutions with	Information about certification or specific industry compliance is not	www.norpin.com
Metal Enclosures, Cabinets & Box Manufacturer	Dalsin Industries	Dalsin Industries produces custom metal enclosures, cabinets, and boxes	Flexible, custom fabrication to meet client-specific designs Wide range of	Not focused on standard off-the-shelf products; custom orders may require
Metal Enclosure Manufacturers Suppliers	IQS Directory	Metal enclosures are boxes, containers, and fabricated shapes made from metals	Protects enclosed objects from dust, dirt, and accidental impact Can be	No specific disadvantages are detailed in the provided content
Metal Enclosure Manufacturer – Saipwell	Saipwell manufactures metal enclosures and related products, including	Wide selection of materials and enclosure types for customized protection	Limited concrete technical specifications or standards listed in the extracted	www.saipwell.com
Metal Enclosures, Cases and Covers – Hudson Technologies	Hudson Technologies manufactures custom deep-drawn and shallow-drawn metal	Seamless construction provides superior EMI/RFI shielding and environmental	Tooling costs may be higher for custom and complex designs. Limited wall	www.hudson-technologies.com
Custom Metal Enclosures	Waukesha Metal Products	Custom metal enclosures specifically tailored to client specifications,	Fully custom solutions tailored to exact client requirements High quality and	Lack of off-the-shelf (ready-made) solution; longer lead times likely Potentiall
Custom Electronic Enclosures, Parts and Components – Protocase	Protocase specializes in the design, manufacturing, and customization of	Fast turnaround, typically producing custom enclosures within 2-3 days Highly	Primarily targeted toward low to medium volume; may not suit high-volume	www.protocase.com

Frequently Asked Questions (FAQs)

How do I find reliable metal enclosure manufacturers?
Start by searching online directories, industry websites, and trade shows. Consider recommendations from industry contacts and check reviews or testimonials. Evaluating a manufacturer’s website, years in business, and certifications can also help determine reliability.

What should I consider when comparing different manufacturers?
Compare product quality, customization options, pricing, minimum order quantities, lead times, and customer service. Request product samples and inquire about their experience with similar projects to ensure they can meet your specific requirements.

How can I verify a manufacturer’s capabilities and quality standards?
Ask for product samples and documentation of their quality certifications, such as ISO standards. Reviewing their portfolio, visiting the factory if possible, and checking customer references can provide further assurance of their capabilities and standards.

What information should I provide to get an accurate quote?
Prepare detailed drawings, dimensions, material specifications, quantities, finishes, and any special requirements. Providing clear and precise information will help manufacturers give you an accurate and competitive quote quickly.

Is overseas manufacturing a good option for metal enclosures?
Overseas manufacturing can offer cost advantages and wider options, but consider factors like shipping costs, lead times, communication challenges, and import duties. Assess your project’s priorities and ensure clear agreements are in place before proceeding.