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About us - Metal Fabrication Services in Anaheim, Orange County, Los Angeles, Irvine, Santa Ana, Fullerton, and Southern California

Metal Fabrication Shop in Southern California

  • Jonathan Nguyen, Director of Operations at Pen Manufacturing
    Jonathan Nguyen is a results-driven operations leader with 20+ years in manufacturing. With an MBA and extensive experience at American Range and Hasa, he excels at transforming complex challenges into streamlined solutions. At Pen, he oversees Operations, Finance, Customer Relations, and Logistics.

    Jonathan Nguyen

    Director of Operations

    Jonathan Nguyen is a results-driven operations leader with 20+ years in manufacturing. With an MBA and extensive experience at American Range and Hasa, he excels at transforming complex challenges into streamlined solutions. At Pen, he oversees Operations, Finance, Customer Relations, and Logistics.

    jonathan@pen-mfg.com
  • Ronald Davella, Finance at Pen Manufacturing
    Ronald has over 35 years of financial expertise, including serving as a partner at Deloitte specializing in Accounting and M&A. He has advised companies across industries on growth and strategy. At Pen, he supports finance and M&A activities. Ronald holds an MBA from Pace University.

    Ronald Davella

    Finance

    Ronald has over 35 years of financial expertise, including serving as a partner at Deloitte specializing in Accounting and M&A. He has advised companies across industries on growth and strategy. At Pen, he supports finance and M&A activities. Ronald holds an MBA from Pace University.

    ron@industrialsuccession.com
  • Michelle Hytry, Human Resources at Pen Manufacturing
    Michelle has over 20 years of HR leadership experience in Technology and Professional Services. As a Culture Ambassador with strong business insight, she enhances employee experience and drives organizational excellence at Pen. She holds a BA from Menlo College and an Executive MBA from Santa Clara University.

    Michelle Hytry

    Human Resources

    Michelle has over 20 years of HR leadership experience in Technology and Professional Services. As a Culture Ambassador with strong business insight, she enhances employee experience and drives organizational excellence at Pen. She holds a BA from Menlo College and an Executive MBA from Santa Clara University.

    michellehytry@icloud.com
  • Ken Penrose, Engineering/Estimating Manager at Pen Manufacturing
    Ken comes to Pen with over 20 years of Manufacturing Engineering experience.  He has spent his career honing his skills at companies like Fabcon, Tri-Precision Sheetmetal and Accurate Metal Solutions.

    Ken Penrose

    Engineering/Estimating Manager

    Ken comes to Pen with over 20 years of Manufacturing Engineering experience.  He has spent his career honing his skills at companies like Fabcon, Tri-Precision Sheetmetal and Accurate Metal Solutions.

    kpenrose@pen-mfg.com
  • Heri Vivar, Production Manager at Pen Manufacturing
    Heri holds a BS in Mechanical Engineering and 15+ years of production management experience at companies like Quality Aluminum Forge, ATI Materials, and Arrowhead Products. A certified Supply Chain professional, he leads Production and Logistics at Pen, delivering quality results to customers.

    Heri Vivar

    Production Manager

    Heri holds a BS in Mechanical Engineering and 15+ years of production management experience at companies like Quality Aluminum Forge, ATI Materials, and Arrowhead Products. A certified Supply Chain professional, he leads Production and Logistics at Pen, delivering quality results to customers.

    heri@pen-mfg.com
  • Kasey Gruner, Facilities Manager at Pen Manufacturing
    Kasey comes to Pen with over 15 years of experience as a Maintenance Technician and Manager.  Before arriving at Pen he worked for notable companies like Fabcon and Airtech Advanced Materials Group.  At Pen, Kasey is responsible for Facilities, IT, and Maintenance of all of Pen's equipment.

    Kasey Gruner

    Facilities Manager

    Kasey comes to Pen with over 15 years of experience as a Maintenance Technician and Manager.  Before arriving at Pen he worked for notable companies like Fabcon and Airtech Advanced Materials Group.  At Pen, Kasey is responsible for Facilities, IT, and Maintenance of all of Pen's equipment.

    kgruner@pen-mfg.com
  • Arthur Sakaev, Director of Sales at Pen Manufacturing
    Arthur Sakaev serves as Director of Sales at Pen Manufacturing, focusing on building strong customer relationships and driving growth. He brings a hands-on approach to helping customers find the right metal fabrication solutions for their projects.

    Arthur Sakaev

    Director of Sales

    Arthur Sakaev serves as Director of Sales at Pen Manufacturing, focusing on building strong customer relationships and driving growth. He brings a hands-on approach to helping customers find the right metal fabrication solutions for their projects.

    arthur@pen-mfg.com
  • Gil Trujillo, Sales at Pen Manufacturing
    Gil brings to Pen with over 15 years of manufacturing experience in various positions in quality, program management and operations.

    Gil Trujillo

    Sales

    Gil brings to Pen with over 15 years of manufacturing experience in various positions in quality, program management and operations.

    gil.trujillo@pen-mfg.com
  • Brian Connor, Sales at Pen Manufacturing
    Brian Connor is a Sales Manager known for his collaborative approach and commitment to strong customer relationships. He works closely with clients and internal teams to support business growth and successful outcomes.

    Brian Connor

    Sales

    Brian Connor is a Sales Manager known for his collaborative approach and commitment to strong customer relationships. He works closely with clients and internal teams to support business growth and successful outcomes.

    brian@asm.industries

About PEN Manufacturing

Pen Manufacturing was created by merging three Anaheim-based metal fabrication companies to offer a full range of services. Combining their expertise allowed them to scale quickly and serve the expanding California manufacturing market. Today, the company continues to grow, providing high-quality, comprehensive fabrication services to a wide range of industries.

We attribute our success to being grounded in the Christian principles of humility, honesty, integrity, respect, kindness and a sense of social responsibility. We create eternal value by striving to honor God in all we do. This is reflected in how we conduct our business and how we care for our employees - our greatest asset.

We have over:

145 years

of combined experience in welding

200 years

of combined experience in fabrication

100 years

of combined experience in design

200 years

of combined experience in machining

130 years

of combined experience in inspection

108 years

of combined experience in quality control

40 years

of combined experience in CAD/CAM programming utilizing Surfcam and Mastercam

As noted above Pen Manufacturing Los Angeles has an extensive array of in-house machining equipment, including:

CNC Machinery at our Anaheim Jobshop:

Hurco VMX50

Vertical Mill with 4th Axis capability and 50" by 26" by 24" envelope

Hurco VMX42 Vertical Mill

4th Axis capability and 42" by 24" by 24" envelope

Hurco VM3 Vertical Mill

an envelope of 50" by 18" by 18"

Hurco TM10 Lathe

a 10" chuck

Whacheon Lathe

12" chuck

Femco Durga Lathe

8" chuck

Welding Equipment:

6 MIG and TIG Welding Stations

Cobramatic Aluminum "Push-Pull" Station

Our Anaheim Manual Machine Shop Equipment:

Lathe 15" by 120"

Lathe 12" by 80"

4 Knee Mills

Automatic Cut-off/Band Saw

90 Ton Ironworker

1, HYD-MECH Miter saw

Vertical Turret Lathe

50" of swing, and a capacity of 54" round by 24" tall

Miscellaneous Support Equipment: including forklifts, a 3-ton bridge crane, and hand grinders.

Pen Manufacturing Los Angeles prides itself in running a flexible shop, one that can quickly and efficiently meet the needs of its customers. Short-run and prototype components can sometimes be completed in as little as 2-3 days, with a typical turnaround time for scheduled work being finished in 4-6 weeks, depending on the complexity of the project and any outside processing that may be required. Production quantities from 10 to 5000 can be handled in-house, depending on the size of the component. Along with the machining, welding, and metal fabrication services, additional in-house capabilities at Pen Manufacturing include plumbing, hydraulic assembly, electrical wiring, glass-beading, and delivery to the customer's site. As part of our commitment to be your one-stop machining, welding, and fabrication source in Los Angeles, we have developed a group of dependable, reliable vendors that provide additional finishing services.

These services include:

Sandblasting

Special Nickel Plating

Heat Treating

Sheet Metal

Roll Forming

Punching & Forming

Hard Anodizing

Centerless Grinding

Precision Laser Cutting

Hard Chrome Plating

Blanchard Grinding

Powder & Wet Painting

    • Learn More About Pen

LADBS Certified Southern California Metal Fabricator & Machine Shop

Pen Manufacturing is now certified by The City of Los Angeles Department of Building and Safety (LADBS) recognizing proficiency with aluminum, stainless steel, carbon steel, high-strength steel, and others. You can trust Pen to have the expertise to take on public projects around LA and Southern California area. License number FB02883-0.

Pen Manufacturing provides these comprehensive services to customers that are looking for a complete "turn-key" solution. Contact the Pen Manufacturing team today for help in solving your unique manufacturing challenges.

Our Machine Shop service area includes many areas of greater Los Angeles including:

Fullerton

Santa Ana

Irvine

Yorba Linda

Newport Beach

Anaheim

Brea

Orange

Orange County

San Diego

San Diego County

Los Angeles

Los Angeles County

Long Beach

San Bernardino County

Riverside County

NAICS Code 332710 - Machine Shop

Pen Manufacturing is registered with the North American Industry Classification System (NAICS) under code 332710 - Machine Shop. As a full-service metal fabrication shop, we also have capabilities for the following NAICS codes:

CNC Machinery at our Anaheim Jobshop:

332999

Other Miscellaneous Metal Product Manufacturing

332312

Fabricated Structural Steel

332332

Sheet Metal

333514

Special Die and Tooling, Die Set, Jig, and Fixture Manufacturing

344100

Fabricated Structural Metal

344199

Fabricated Structural Metal

34419901

Building Components, Structural Steel

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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.