Metal Casting

Metal Investment Casting

Milwaukee Precision Casting, Inc. may be your answer for a quality metal investment casting when your die-casting, powdered metal part, or plastic injection part doesn’t have the adequate strength you require.

We may be your answer when your sand casting is full of porosity due to trapped gas, or your weldment/fabrication may be cost prohibitive. Milwaukee Precision Casting, Inc. may be able to solve your rust problems with a stainless steel investment cast metal casting.

Providing high quality precision investment castings and parts since 1993, Milwaukee Precision Casting, Inc. is an ISO 9001:2015 certified and meets AMS 2175 standards. Milwaukee Precision Casting, Inc. offers top-tier investment castings in:

  • Stainless Steel Casting
  • Aluminum Casting
  • Carbon Steel Casting
  • Bronze Casting
  • Brass Casting
  • Cobalt Casting
  • Tool Steel Casting

Service Industries

Metal Casting Service Industries

Milwaukee Precision Casting, Inc. casts metal components for numerous critical industries. We are an AMS-2175, ITAR compliant company and can cast a variety of metals including steel, aluminum, bronze, brass, cobalt, and more alloys.

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Secondary Services

Investment Casting Secondary Services

Milwaukee Precision Casting, Inc. can offer a wide range of metal investment casting secondary services including:

  • Machining
  • Heat treating
  • Non-destructive testing
  • Polishing
  • Passivation/ electropolishing
  • Deburring/ ball burnishing
  • Laser etching
  • Coating
  • Packaging
  • and more based on your needs for any part!

Milwaukee Precision Casting, Inc. has close relationships with many local vendors to allow for the best possible part at the lowest possible price.

Precise & Quality

Precise & Quality Investment Castings

Our investment casting process produces exceptional surface finish and close tolerances of +/-.005″ per inch. Send your specifications to us and take our experienced engineering staff to task in eliminating your manufacturing problems and reducing cost. We make it happen.
Milwaukee Precision Casting, Inc. – the clear metal casting solution.
Please contact us and let us know how we can serve your metal investment casting needs.
Unsure about your part design? Check out our prototyping capabilities

Markets We Serve

Trusted by
Demanding Industries

Our precision castings serve the most technically exacting markets — where part failure is not an option.

Commercial Firearms & Military

Milwaukee Precision Casting, Inc. specializes in components for the firearm and gun industries through the investment casting process, producing military components, commonly for AR-15, M16, M240, and M249.

Commercial Firearms & Military
Commercial Firearms & Military+

Power Transmission

Milwaukee Precision Casting, Inc. (MPC) is proud to serve the industry in many areas, producing power transmission component castings that pass stringent requirements for high-voltage substation power switching and storage equipment.

Power Transmission
Power Transmission+

Medical

Investment castings used in medical-related applications require the highest degree of quality, cleanliness and surface finish.

Medical
Medical+

Auto After Market

Milwaukee Precision Casting, Inc. has extensive exposure in the automotive aftermarket, the secondary market of the automotive industry. We specialize in the manufacturing of vehicle parts, tools, and accessories for light and heavy vehicles.

Auto After Market
Auto After Market+

Food & Dairy

Milwaukee Precision Casting, Inc. plays a major role in the production of stainless steel investment castings used in the food & dairy industry.

Food & Dairy
Food & Dairy+

Construction

Milwaukee Precision Casting, Inc. (MPC) produces construction component castings for tools and equipment used in the construction industry.

Construction
Construction+

Meat Processing

Milwaukee Precision Casting, Inc. produces a wide array of standard and customized investment casting products for meat processing equipment, including meat grinder parts and special attachments for machinery.

Meat Processing
Meat Processing+

Machine Tool

Milwaukee Precision Casting, Inc. produces quality investment castings for a wide range of applications in the machine tool industry.

Machine Tool
Machine Tool+

Waste Management

Milwaukee Precision Casting, Inc. produces a wide array of standard and customized investment casting products for wastewater treatment equipment.

Waste Management
Waste Management+

Mining

Milwaukee Precision Casting, Inc. has long supported the mining and earth-moving industry with mining investment castings built for tough, abrasive environments.

Mining
Mining+

Logging

Milwaukee Precision Casting, Inc. produces a wide array of standard and customized investment casting solutions for the logging industry, including forestry equipment castings, heavy equipment castings, and off-highway machinery castings.

Logging
Logging+

Oil & Gas

Investment castings used in the oil and gas industry must meet the highest standards of quality, durability, and corrosion resistance to withstand extreme operating conditions.Milwaukee Precision Casting produces stainless steel castings and A356 castings used in applications such as ramps, heavy-duty locks, flame and flow control, and even material removal fingers.

Oil & Gas
Oil & Gas+

Utilities

Milwaukee Precision Casting, Inc. produces a wide array of standard and customized power generation investment castings for the utilities industry.

Utilities
Utilities+

Agriculture

Agriculture equipment operates in tough, demanding environments, which is why investment castings have been a trusted solution in the industry for decades.

Agriculture
Agriculture+

Petrochemical

At Milwaukee Precision Casting, Inc., we specialize in manufacturing high-performance investment castings for the petrochemical industry, where precision, durability, and safety are paramount.

Petrochemical
Petrochemical+

Pumps & Valves

Milwaukee Precision Castings produces near-net shape, high-quality, durable investment castings for pumps and valves.

Pumps & Valves
Pumps & Valves+
Linear Tolerances

The industry standard linear tolerances for any investment casting
process are ±.005 per
inch of length.

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Geometric Tolerances

Effective part configuration is a critical element in achieving strict
tolerances for investment casting. Our team ensures a quality
experience in investment casting.

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MPC Advantages

Why Manufacturers Choose
Milwaukee Precision Casting

We are not just a supplier — we are a precision manufacturing partner.
That distinction means faster validation, fewer surprises, and components
you can trust in the field.

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Minimal Lead Time

Built for complex applications requiring repeatable accuracy and tight dimensional control across production runs.

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Accuracy of ± .005 per inch

ISO-certified quality systems with advanced inspection and full traceability from tooling to delivery.

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AMS 2175 Compliance

Fast RFQ response, efficient tooling development, and scalable production capacity to meet your schedule.

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Competitive Pricing

Cast, machine, finish, and inspect under one roof — reducing lead times and supply chain complexity.

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ISO 9001:2015 Certified

DFM reviews and casting optimization from experienced engineers who understand your application requirements.

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Advanced Inspection

X-ray, MPI, FPI, HIPing, and dimensional validation ensure every component meets your spec before shipment.

Contact Us

Ready to Discuss Your
Casting Project?

Upload your drawings or specifications and our engineering team will review your application and respond quickly with technical feedback and pricing.

Get a Quote

Request a Precision
Casting Quote

We cast a broad range of alloys — from corrosion-resistant stainless grades to
high-strength tool steels — engineered for demanding industrial, defense, and
energy applications.

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    Fast RFQ Response

    Typical quote turnaround within 1–2 business days

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    Engineering Support

    DFM review and casting optimization included with every quote

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    Scalable Production

    Prototype to high-volume production capability

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    Full Technical Consultation

    Material selection, tolerance review, and process recommendations