• World-Class Finishing Partner

    Your World-Class Machining & Plating Partner

    When You Need Cost-Effective Quality in High Volumes

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Precision Machining, Plating & Anodizing

Our Process Is Customized for Your Parts & Requirements

Machining Technology

Machining

  • Rotary Transfer: 42 Hydromat machines
  • Multi-Spindle: Index V200s and MS32s, Schuttes, and Tornos machines
  • Single Spindle: 18 Deco, Esco, Nomura, and Takisawa machines
Electroplating

Electroplating & Anodizing

High Volume Rack & Barrel
Hardcoat Type II & Type III Anodizing

Automation

  • We make custom automated inspection equipment for safety critical components
  • We make >90% of our turning and plating tooling in house
  • We also design our plating lines including Precision Plating System™ machines
Greystone Part

Secondary Operations

Machining

  • Brush and vibratory deburring
  • Electrochemical deburring
  • Grinding: form and through feed
  • Heat treating (outsourced)
  • Staking

Plating

  • Baking and annealing
  • Dry film lubrication
  • Electropolishing
  • Laser engraving/marking
  • White paint
  • Oiling
  • Packaging/kitting

Both Maching & Plating

  • 100% inspection
  • Blasting for texture
  • Sub-assembly

Customers

Greystone is trusted by:

IATF Logo
NSF-ISR Logo
Nadcap Logo
ITAR Logo
ISO 14001 Logo

Industries Served

Though we serve many types of customers, we offer special expertise in the following industries:

Aerospace

Automotive

Defense

Hydraulics

Medical

Semiconductor

Quality, Speed & Cost: Get the Best of All Three

You no longer need to sacrifice one to achieve the other two thanks to Greystone's innovative engineering, tooling and automation

1. Quality

  • All plants are IATF certified
  • Advanced product quality planning (APQP) used to launch products
  • In-house chemical, electrical, mechanical and automation teams
  • Pre-production assessments
  • 100% inspection provides zero defects
  • World-class quality systems with 4 PPM

2. Speed

  • Turnkey service includes sub-assembly and secondary operations
  • Pick-up and delivery options throughout the East Coast
  • In-house chemistry management controls prevent time-consuming problems
  • 3 shifts run 5 days a week with weekend options
  • Process designed for your needs and requirements
Greystone Machining, Electroplating & Anodizing Quality, Speed and Cost

3. Cost-Effectiveness

  • Continuous improvement mindset
  • In-house engineering team designs custom tooling
  • In-house automation group designs and fabricates equipment
  • Combined machining and plating drives down costs
  • Processes designed to maximize yield and minimize scrap
  • >85% of tooling made internally

Plus... Low Risk

We have 92 years of experience across 5 global locations, and contingency planning in place.

Greystone is working toward Cybersecurity Maturity Model Certification (CMMC) compliance.

Greystone by the Numbers

5

Greystone Locations in North America, Europe & Asia

5

Average # of Parts Processed by Greystone in Every Car in North America

92

Years of Plating Experience

500

Employees

300

Parts Machined & Plated by Greystone Annually, Worldwide

1

Fuel Injector Components Plated by Greystone

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