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Pen Manufacturing precision metal fabrication facility
Metal Fabrication

Custom Metal Fabrication Services Built for Precision and Fast Turnaround

From prototype parts to full production runs, we deliver precision custom metal fabrication for industrial, commercial, and OEM projects.

Backed by real manufacturing expertise, we understand the technical and operational demands of OEM procurement and engineering teams.

10+Degreed Engineers On Staff
98.9%Quality Rating per AS9100
40+Years In Business
$750 - $7MOrder Range

Let's get your project off the ground with our custom manufacturing services. Contact us today to speak with an expert about your fabrication needs.

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40+ Years In Business

3.2 Weeks Average Lead Time Across Production Projects

10+ Degreed Engineers On Staff Supporting Design and Execution

AS9100D Certified Processes Supporting High Specification Manufacturing Requirements

ISO 9001:2015 Certified Quality Management Systems

PEN Manufacturing facility

98.9%

Quality Rating

Why Choose Our Custom Metal Fabrication Services?

When you need custom-fabricated metal parts, delays and poor quality can cost valuable time and money. Our team helps keep your project on track with dependable fabrication solutions tailored to your exact specifications.

We align fabrication capabilities with both engineering requirements and procurement priorities to support efficient project execution.

What Sets Us Apart:

Consistent dimensional accuracy across complex components

Flexible capacity for both small batch and high volume runs

In-house coordination from fabrication to finishing

Support for engineering adjustments and design refinement

Experience handling complex, tight-tolerance fabrication projects

Clear communication with both engineering teams and procurement stakeholders

Scalable production aligned with business needs

We Help With

One-Off Prototypes

Low to High-Volume Production

Complex Assemblies

Tight Tolerance Components

Overflow Manufacturing

Domestic Production Support

Our Custom Metal Fabrication Capabilities

We provide complete in-house metal fabrication services to streamline your project from concept to completion.

Services Include:

01Laser Cutting
02CNC Punching
03Forming & Bending
04MIG / TIG Welding
05Structural Fabrication
06Tube & Pipe Fabrication
07Assembly Services
08Finishing & Powder Coating

Ready to move your project forward?

Materials We Work With

We fabricate components using a wide range of metals, including:

Stainless SteelCarbon SteelAluminumBrassCopperBronzeSpecialty Metals

Industries We Serve - Aerospace, Medical Devices, Automotive Manufacturing in Anaheim, Orange County, Los Angeles, and Southern California

Our custom metal fabrication supports demanding industries such as:

  • Aerospace and Defense
  • Air Pollution Control
  • Electrical & Electronics
  • Entertainment
  • Hazardous Waste Equipment
  • Industrial
  • Lighting
  • Material Handling
  • Medical & Emergency Services
  • Oceanographic
  • Printing
  • Recreational
  • Refinery & Oil Well Equipment
  • Robotics
  • Scientific Research
  • Sewage Treatment and Disposal
  • Specialty Plastic
  • Transportation
  • Wastewater Treatment & Disposal
We support high-specification industries that require consistent fabrication performance across production cycles.

Certification & Licenses - AS9100, ISO 9001, ITAR Certified in Anaheim, Orange County, Los Angeles, and Southern California

  • ISO 9001 Quality Management Certification
  • ITAR Registration
  • ISO 9001:2015 Certification
  • LA DBS Department Of Building And Safety Certification
  • SBA 8(a) Certification
  • SCB System Certification Body
  • DUN & BRADSTREET D-U-N-S Registered Certification
  • CAGE Code 035U6 Certification
  • ISO 9001 Quality Management Certification
  • ITAR Registration
  • ISO 9001:2015 Certification
  • LA DBS Department Of Building And Safety Certification
  • SBA 8(a) Certification
  • SCB System Certification Body
  • DUN & BRADSTREET D-U-N-S Registered Certification
  • CAGE Code 035U6 Certification

Testimonials

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    Trusted Supplier! For 25 years, Pen Mfg. has proven themselves as more than a vendor — they are a true partner. Quality, service, and innovation set them apart.

    Reviewer Robert
    Reviewer Robert
    Robert
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    Exceptional Quality! Every order we receive is on time and exceeds expectations. Pen Mfg. has played a big role in our company’s growth.

    Reviewer Albert
    Reviewer Albert
    Albert
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    Dependable Team! We’ve been working with Pen Mfg. for 18 years. Their willingness to adapt, improve, and collaborate makes them invaluable.

    Reviewer Jacob
    Reviewer Jacob
    Jacob
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    Dependable Team! We’ve been working with Pen Mfg. for 18 years. Their willingness to adapt, improve, and collaborate makes them invaluable.

    Reviewer Darius
    Reviewer Darius
    Darius

Get Started With Reliable Metal Fabrication

Looking for dependable custom metal fabrication with fast turnaround and consistent quality? Keep your project moving without delays.