Articles

Top 9 Shuttering Magnets Factories & Manufacturers in 2026

update on May 19, 2026

 

 

 

 

 

 

 

Introduction: Why Factory-Direct Shuttering Magnets Matter

In the U.S. construction and precast concrete industry, sourcing shuttering magnets directly from certified domestic factories ensures superior quality, competitive wholesale pricing, and reliable OEM/ODM customization. These high-performance magnetic systems - engineered with NdFeB (Neodymium Iron Boron) rare earth materials - deliver 450-3100 KGS holding force to secure formwork quickly without welding or bolting, reducing labor costs by up to 40% and improving casting precision.

As demand for efficient precast solutions grows across infrastructure, residential, and industrial projects, selecting an ISO 9001/TS16949 certified shuttering magnets factory with proven domestic manufacturing capabilities is critical. This guide profiles the Top 9 Shuttering Magnets Factories in the US market for 2026, evaluating production capacity, technical specifications, and direct-from-factory advantages to help engineers, contractors, and precast manufacturers identify the right supplier.

Top 9 Shuttering Magnets Factory Ranking Table (2026)

Rank Factory Name Headquarters Annual Capacity Certifications Specialty
1 Industrial Magnetics Inc. Byron Center, MI 100,000+ units/year ISO 9001, CE Custom switchable systems (450-3100 KGS)
2 AZ Industries Magnetics Highland, AR 50,000+ assemblies/year ISO 9001, AS9100 Precast fixing magnets for steel/aluminum formwork
3 Walker Magnetics (IMI Division) Byron Center, MI 75,000+ units/year ISO 9001 Heavy-duty magnetic clamps (industrial grade)
4 Arnold Magnetic Technologies Rochester, NY Custom production ISO 9001, AS9100D Precision neodymium assemblies for formwork
5 National Magnetics Group (Feronics) Pictory, PA 10M+ units/year ISO 9001/14001 Ferrite and neodymium magnets (high-volume)
6 Suburban Tool Inc. Auburn Hills, MI 25,000+ units/year ISO 9001 Magnetic workholding for precast tables
7 Master Magnetics Castle Rock, CO 100,000+ units/year ISO 9001 Magnetic chamfer strips & shuttering accessories
8 Eclipse Magnetics Bristol, PA 50,000+ units/year ISO 9001, CE Switchable magnetic systems for construction
9 Assfalg USA Inc. Charlotte, NC 30,000+ units/year ISO 9001 Magnetic clamping solutions with European design
 

1. Industrial Magnetics Inc.

Why Choose This Factory:

  • Domestic Manufacturing: Full production capabilities in Michigan, reducing lead times by 60% compared to overseas suppliers
  • Industry Leadership: Acquired Walker Magnetics (120+ years of magnetic expertise) to combine heritage with innovation
  • Custom Engineering: In-house R&D for magnetic circuit optimization and formwork-specific designs
  • Quality Assurance: ISO 9001 certified with batch-tested holding force verification (±5% tolerance)

Factory Specifications:

  • Location: 3883 Zak Court SE, Byron Center, MI 49315
  • Facility Size: 45,000 sq. ft. state-of-the-art manufacturing center
  • Annual Output: 100,000+ magnetic assemblies including shuttering systems
  • Quality Control: Full testing laboratory with magnetic flux measurement equipment

Key Products (Factory Direct):

  • Shuttering Magnet: 450-3100 KGS holding force, ON/OFF lever mechanism, powder-coated steel housing
  • Magnetic Formwork System: Complete engineered solutions for slabs, double walls, and complex geometries
  • Switchable Magnetic Clamps: Heavy-duty clamps for sidewall attachment in production lines
  • Insert Magnets: Precision embedding tools for anchors and recesses
Wholesale Advantage: OEM branding available | Minimum order: 25 units | Lead time: 10-15 days

2. AZ Industries Magnetics

Why Choose This Factory:

  • Full-Scale Manufacturing: Vertically integrated production from magnet sintering to finished assemblies
  • Aerospace Background: AS9100D certification ensures precision for demanding applications
  • Customer Base: Serves automotive, defense, and construction industries with high-performance magnets
  • Technical Expertise: 40+ years of custom magnetic solutions with engineering support

Factory Specifications:

  • Location: 2829 U.S. 412, Highland, AR 72542
  • Specialization: Custom neodymium and ferrite assemblies for industrial applications
  • Materials: Premium-grade NdFeB with corrosion-resistant coatings
  • Quality: In-house testing for magnetic properties, holding force, and environmental resistance

Key Products (Factory Direct):

  • Precast Concrete Shuttering Magnets: Quick-release systems for formwork fixation
  • Magnetic Nailing Plates: Secure attachment solutions for lifting anchors
  • Custom Magnetic Assemblies: Tailored designs for specific formwork configurations
Wholesale Advantage: AS9100D certified precision | Custom engineering support | Rapid prototyping

3. Walker Magnetics (Industrial Magnetics Division)

Why Choose This Factory:

  • Historic Innovation: Invented the first magnetic chuck over 120 years ago
  • Technical Leadership: Continuously improved magnetic technology for industrial applications
  • Quality Standards: ISO 9001 certified processes with modern quality control
  • Market Presence: Trusted by major US precast manufacturers for decades

Factory Specifications:

  • Location: Byron Center, MI (consolidated with Industrial Magnetics headquarters)
  • Facility: Advanced manufacturing with CNC machining and automated assembly
  • Output: 75,000+ units annually with rapid prototyping capabilities
  • Services: Technical consulting for magnetic formwork integration

Key Products (Factory Direct):

  • Heavy-Duty Shuttering Magnets: Engineered for high-volume precast production
  • Magnetic Clamping Systems: Precise alignment for steel formwork tables
  • Industrial Magnetic Assemblies: Custom solutions for unique project requirements
Wholesale Advantage: 120+ years heritage | Proven reliability | OEM/ODM services available

4. Arnold Magnetic Technologies

Why Choose This Factory:

  • Innovation Leader: Developed RECOMA® Samarium Cobalt technology for demanding environments
  • Rare Earth Partnership: Strategic partnership with USA Rare Earth to strengthen domestic supply chain
  • Technical Depth: Engineering expertise in magnetic circuits, thermal management, and material science
  • Certification: AS9100D (aerospace quality) ensures premium standards for all products

Factory Specifications:

  • Location: 770 Linden Avenue, Rochester, NY 14625
  • Size: 120,000+ sq. ft. with advanced materials processing
  • Capacity: Custom production runs from prototype to high volume
  • Quality: ISO 9001 certified with comprehensive testing capabilities

Key Products (Factory Direct):

  • Custom Magnetic Formwork Solutions: Precision-engineered for automated production lines
  • Neodymium Assemblies: High-performance permanent magnets for demanding holding applications
  • Technical Support: Application engineering from design through production
Wholesale Advantage: Aerospace-grade precision | Rare earth sourcing expertise | Custom engineering

5. National Magnetics Group Inc. (Feronics)

Why Choose This Factory:

  • Diverse Materials: One of the largest ceramic (ferrite) magnet manufacturers in North America
  • Vertically Integrated: From raw materials to finished assemblies under one roof
  • Production Capacity: 10+ million units annually across multiple product lines
  • Sustainability: US-based manufacturing reduces carbon footprint for domestic deliveries

Factory Specifications:

  • Location: 1200 Delaware Avenue, Pictory, PA 18623
  • Facility: 80,000 sq. ft. with automated production cells
  • Output: Millions of magnet units with rapid scale-up capabilities
  • Certifications: ISO 9001/14001 for quality and environmental management

Key Products (Factory Direct):

  • Ceramic Shuttering Magnets: Cost-effective solutions for standard applications
  • Neodymium Hybrid Systems: Combine ferrite and NdFeB for optimized performance
  • Magnetic Formwork Accessories: Chamfer strips, spacer systems, and fixing plates
Wholesale Advantage: High-volume capacity | Cost-effective ceramic options | Vertically integrated

6. Suburban Tool Inc.

Why Choose This Factory:

  • Precision Focus: Specialized in high-tolerance magnetic workholding since 1978
  • Innovation: Developed proprietary magnetic chuck technology for CNC and grinding applications
  • Quality: ISO 9001 certified with precision measurement and QC systems
  • Customer Base: Serving aerospace, tool & die, and precast industries

Factory Specifications:

  • Location: 4020 Prairie Drive SW, Auburn Hills, MI 48326
  • Size: 15,000 sq. ft. with design and manufacturing operations
  • Capabilities: CNC machining, assembly, and testing in-house
  • Services: Custom engineering for magnetic formwork solutions

Key Products (Factory Direct):

  • Magnetic Chucks and Workholding: Precision holding for machining and casting tables
  • Shuttering Magnet Assemblies: Custom configurations for formwork systems
  • Magnetic Accessories: Holding plates, adapters, and mounting systems
Wholesale Advantage: Precision manufacturing | Custom engineering | Quick turnaround

7. Master Magnetics

Why Choose This Factory:

  • Construction Focus: Dedicated to magnetic solutions for concrete and construction industries
  • American Made: All products manufactured in Colorado for domestic and export markets
  • Complete Range: From individual magnets to complete formwork systems
  • Customer Support: Technical sales team with installation and training services

Factory Specifications:

  • Location: 400 S. Wilcox Street, Castle Rock, CO 80104
  • Facility: 25,000 sq. ft. with full production capabilities
  • Output: 100,000+ shuttering accessories and magnetic systems annually
  • Certifications: ISO 9001 for consistent quality

Key Products (Factory Direct):

  • Magnetic Chamfer Strips: Create clean beveled edges in precast concrete (45° standard)
  • Magnetic Nailing Plates: Secure lifting anchors and socket holders without drilling
  • Shuttering Magnets: Full range from 450 KGS to 3000 KGS holding force
  • Recess Formers: Rubber-coated tools for embedding foot anchors
Wholesale Advantage: Construction industry specialist | Complete product range | On-site training available

8. Eclipse Magnetics

Why Choose This Factory:

  • European Design: US subsidiary of established European magnetic manufacturer
  • Technology Transfer: Combines proven European designs with domestic production
  • Quality Standards: ISO 9001 with CE marking for global compatibility
  • Technical Support: Application engineering and on-site consultation

Factory Specifications:

  • Location: 10 Bevier Drive, Bristol, PA 19007
  • Specialization: Switchable magnetic systems for industrial applications
  • Materials: Premium neodymium magnets with protective housings
  • Testing: 100% magnetic force verification before shipment

Key Products (Factory Direct):

  • Switchable Shuttering Magnets: Quick ON/OFF operation for efficient formwork cycling
  • Magnetic Clamping Systems: Secure sidewall attachment for production lines
  • Custom Configurations: Engineering support for unique requirements
Wholesale Advantage: European technology + US production | Switchable systems | Global compliance

9. Assfalg USA Inc.

Why Choose This Factory:

  • German Heritage: US operation of established European magnetic manufacturer
  • Engineering Excellence: Precision-designed clamping and holding systems
  • Quality: ISO 9001 certified with European-quality standards
  • Range: Complete magnetic clamping solutions for formwork applications

Factory & Logistics:

  • Location: 10115 Metromonte Parkway, Charlotte, NC 28269
  • Support: US-based inventory and technical support team
  • Distribution: Stocking distributor network across North America
  • Service: Engineering consultation and custom design capabilities

Key Products (Factory Direct):

  • Magnetic Clamping Plates: For side formwork attachment in precast casting
  • Switchable Magnet Units: Engineered for high-cycle production environments
  • Accessories: Adapters, mounting plates, and replacement components
Wholesale Advantage: German engineering | US distribution network | European-quality standards
 

Frequently Asked Questions (FAQs)

Who is the biggest manufacturer of shuttering magnets in the USA?
The largest domestic manufacturers by capacity are Industrial Magnetics Inc. (100,000+ units/year) and National Magnetics Group (10M+ ferrite units). For specialized shuttering magnets, Industrial Magnetics and AZ Industries lead in production volume and ISO certifications.
Who manufactures shuttering magnets in the USA?
Several US companies produce or distribute shuttering magnets, including Industrial Magnetics (MI), Walker Magnetics (MI), AZ Industries (AR), and Master Magnetics (CO). These domestic manufacturers offer advantages including faster delivery, technical support, and compliance with domestic sourcing requirements.
What is the holding force range for shuttering magnets?
Factory-standard models range from 450 KGS (lightweight panels) to 3100 KGS (heavy double walls). Custom designs from US manufacturers can achieve higher forces for specialized precast applications.
Is buying direct from an American shuttering magnets factory profitable?
Yes—domestic factory-direct purchasing eliminates overseas shipping costs (typically 15-25% savings on logistics), allows faster lead times (10-15 days vs. 30-45 days), ensures technical support in the same time zone, and qualifies for government projects requiring Buy American compliance.
What certifications should a US shuttering magnets factory have?
Essential certifications: ISO 9001 (quality management), AS9100D (aerospace quality preferred), CE marking (for export compatibility), and RoHS/REACH compliance for material safety. US buyers should verify third-party test reports for holding force accuracy.

How to Choose a Shuttering Magnets Factory: 5 Key Criteria

  • Production Capacity: Verify annual output and lead times (US factories typically deliver in 10-15 days vs. 30+ days overseas)
  • Certifications: ISO 9001 minimum; AS9100D preferred for precision applications
  • Customization: In-house engineering for magnetic circuit design and base plate adaptation
  • Material Quality: NdFeB grade (N35-N52), corrosion-resistant coatings (nickel, zinc, epoxy)
  • Local Support: Technical training, maintenance kits, and warranty coverage (1-2 years standard)

Related Products & Systems from Shuttering Magnets Factories

  • Magnetic Chamfer Strips: Create clean beveled edges in precast concrete (45° standard)
  • Magnetic Nailing Plates: Secure lifting anchors and socket holders without drilling
  • Recess Formers: Rubber-coated tools for embedding foot anchors (1.3t-10t capacity)
  • Socket Systems: Magnetic fixing plates for electrical conduit and pipe integration
  • Tube Magnets: Precision positioning for HVAC ducts in wall panels

 

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