John Walter Miller Co.

Committed to Quality

At J. Walter Miller Co., we prioritize quality as a fundamental aspect of our foundry operations. Our company is proud to hold the ISO 9001:2015 certification, which serves as a testament to our unwavering commitment to quality. Our team of highly skilled professionals work in tandem with our streamlined processes to achieve our aggressive quality goals, which include achieving low scrap rates, minimizing returned castings, ensuring exceptional customer satisfaction, and maintaining consistent on-time delivery.

Key Alloys

Key Alloys
  • Bronze
Alloys Poured
  • Brass: C84400, C836000, C83450, C83300
  • Bronze: C87500, C87600, C87610, C87850, C92200
  • Copper Bismuth Alloy: C89833, C89836
Foundry Line
Foundry Workers
Foundry Technology

Capabilites & Services

  • DISA match 130 20”x24”
  • Sinto FBO II 14”x19”
  • Full sand testing lab
  • Hartley sand management system
  • Leaded and Non-leaded Alloys
Casting Size & Weight

Casting weight from 0.01 to 99 lbs
Casting sizes from 0.125 to 18 inches

Value-Added Services
  • On-site pattern shop
  • Competitive pricing
  • Solidification software
  • Machining
  • Impregnation
  • Modeling & Simulation
  • 3D Printing
  • Tooling Conversion
  • Reverse Engineering/Tooling Design

Our Certifications

JWM Certifications

Industries Served

  • Artistic - Decorative
  • Commercial & Plumbing
  • Fire protection (Sprinklers)
  • Hydraulic/Pneumatic Fittings
  • Industry (Valve Manufacturing)
  • Power Generation/Electrical Components
  • Water Works (Pressure Equipment)

John Walter Miller Co.


Contact Us

John Walter Miller Co.
411 E Chestnut St.
Lancaster, PA 17602
United States

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