Precision metal finishing facility
NADCAP Accredited · Quality & Chemical Processing Since 2004

Precision metal
finishing for
critical industries.

Serving aerospace, military, and electronics manufacturers since 1957 with barrel plating, vibratory finishing, and heat treatment to the most demanding specifications.

1957
Year founded
3–5 days
Standard lead time
100%
In-house inspection
20+ yrs
NADCAP accredited
The standard for
aerospace metal finishing
in Southern California.

Precious Metals Plating Co., Inc. has served aerospace, military, and electronics manufacturers for over 67 years. Our specialty is barrel plating contacts to the most demanding military and aerospace specifications — with in-house lab, XRF verification, and full inspection at no added cost.

NADCAP Accredited · Quality & Chemical Processing · Active Certification

Our services.

All services performed and verified in-house against the strictest aerospace and military specifications.

01 — Barrel
Barrel Plating

Conventional and vibratory barrel plating of contacts to military and aerospace specifications. Expanded vibratory capacity now available.

MIL-SPEC · Aerospace
02 — Rack
Rack & Wire Plating

Individual rack and wire capabilities for components requiring precise handling and exacting dimensional tolerances.

Precision
03 — Thermal
Heat Treatment

Inert atmosphere processing up to 950°F in nitrogen or argon for beryllium copper hardening and copper alloy annealing.

950°F · N₂ / Ar
04 — Finishes
Precious Metal Finishes

Gold, silver, palladium, nickel, and tin applied to specification. XRF thickness verification on every order.

Au · Ag · Pd · Ni · Sn
05 — Masking
Masking Services

Selective masking to protect critical surfaces and maintain precise finish boundaries across complex geometries.

Selective
06 — Turnaround
Expedited Delivery

3–5 day standard lead times with rush options available. Note your timeline when submitting a quote request.

Rush Available
Precision manufacturing
NADCAP Accredited
Quality & Chem. Processing · Since 2004

Trusted for over
six decades.

1
NADCAP Accredited Since 2004

Continuously accredited for Quality and Chemical Processing — a benchmark trusted by prime aerospace and defense contractors worldwide.

2
Full In-House Inspection

Incoming and final inspection performed at no cost. Parts are microscopically inspected before plating begins.

3
Industry-Best Lead Times

3–5 day standard turnaround with expedited options available. We deliver on time, every time.

4
Deep Specification Expertise

Decades of hands-on experience with MIL-SPEC and aerospace specifications. We know what compliance actually requires.

Industries we serve.

Our processes are qualified to the specifications of the world's most demanding industries.

Aerospace

Connectors, contacts, and flight-critical hardware finished to NADCAP-compliant aerospace specifications.

Military & Defense

MIL-SPEC plating for hardware used across ground, air, and naval defense programs.

Electronics

High-reliability precious metal finishes for contacts and components in demanding electronic applications.

Industrial

Custom metal finishing for industrial applications requiring above-standard process controls.

1957
Year founded
950°F
Max heat treatment
3–5
Day standard lead time
20+ yrs
NADCAP accredited

Verified at
every stage.

Every order passes four documented inspection stages — all in-house, all at no cost to you.

1
Incoming Inspection

Parts microscopically inspected on arrival to verify surfaces before plating begins.

2
Daily Lab Analysis

Accredited lab runs atomic absorption (AA) analysis daily to maintain bath chemistry on-spec.

3
XRF Thickness Testing

Post-plate thickness verified with X-ray fluorescence. Full readings available on request.

4
Final Inspection & Release

All orders pass final inspection before shipment. Nothing leaves without sign-off.

Quality control laboratory
Accredited In-House Lab
Daily AA analysis · XRF verification
Get Started
Ready to discuss your
next project?

Send us your specifications and we'll respond within one business day.