UWE/PMA Holdings, LLC

Photochemically Etched Metal Parts

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uwe/pma holdings, llc

Photo Etching Custom Thin Metal Parts Since 1969

OUR HISTORY

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and what drives us today.

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oUR SPECIALTIES

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Our History

WHO WE ARE

In 2025, United Western Enterprises (UWE) and PMA Industries merged to form UWE/PMA Holdings, LLC, combining decades of expertise in precision metal manufacturing.

Originally founded in 1969 in Santa Monica, California, United Western Enterprises began as a publishing support facility before evolving into a leading supplier of thin photo chemically etched metal parts for aerospace, biomedical, and commercial electronics markets. Since 1982, PMA Industries has been a trusted name in high-grade metal manufacturing, serving industries ranging from aerospace and equipment manufacturing to arts, architecture, and logistics.

Together, UWE/PMA Holdings, LLC continues to deliver high-quality, precision-engineered metal solutions to meet the needs of a diverse global market.

 
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Our Specialties

WHAT WE OFFER

The precision metal components we produce can accommodate a wide range of applications. From board-level shielding to optical system components, to shims, covers, lids, screens, and other thin parts that require tight tolerances, UWE/PMA Holdings, LLC has far-ranging capabilities. Our chemical machining processes enable us to produce custom parts based on customers’ own designs. Here is a comprehensive list of items we produce in the dimensions and quantities our clients order:

1

EMI Shielding

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2

EMI Fingerstock Gaskets

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3

EMI Board Level Shielding

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4

Custom Thin
Metal Parts

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5

Covers & Lids

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6

Fine Screens

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7

springs and Contacts

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8

Encoder Disks

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9

Apertures and Optical Applications

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COMMON METALS WE WORK WITH

Our photochemical machining process is compatible with a wide range of metals.

Aluminum

Aluminum is easily machinable and suited for producing thin metal parts in any quantity. It is available in different grades and alloys.

Nickel Silver

Nickel silver etching with chemicals enables the precise alteration of a metal surface without the burrs or other unwanted distortions associated with laser etching.

Stainless Steel

Etching steel involves anything from creating lines and grooves to fabricating precision metal parts with dimensions that account for tight tolerance requirements.

Nickel

Photo etching nickel can generate a number of attractive design features that are difficult to achieve with alternative metal etching methods.

Beryllium Copper

Photo etching beryllium copper provides several production benefits that cannot be matched by processes such as stamping or laser cutting.

Copper

Chemical machining is preferred for copper and other metal parts because they’re not easily damaged in the process.

PRECISION STARTS HERE

Get high quality, intricate metal components with our expert photochemical etching process.

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