Logo
Pen Manufacturing Logo
Logo
Accredited Business Logo

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

Metal Fabrication Shop in Southern California

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

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.

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