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Are you looking for the best aluminium investment casting factories? Curious how top manufacturers achieve high-precision parts with complex designs? Want to know which companies can deliver reliable, cost-effective solutions for aerospace, automotive, or medical applications?
Aluminium investment casting is a specialized manufacturing process that allows for intricate metal components with excellent dimensional accuracy and surface finish. Leading factories around the world combine advanced wax injection, ceramic shell building, molten metal pouring, and CNC machining to produce parts in various alloys, including aluminium, steel, and superalloys. These manufacturers excel in delivering both low- and high-volume production, strict quality control, and engineering support, ensuring components meet tight tolerances, functional requirements, and industry certifications.
In this article, we highlight the top 10 aluminium investment casting factories and manufacturers worldwide, exploring their capabilities, specialties, and global reach. Keep reading to discover which companies set the standard in precision casting and how they can support your next project.
| Brand | Headquarters | Best For |
|---|---|---|
| 1. Aero Metals Inc | La Porte, Indiana, USA | High-precision aluminum investment casting |
| 2. American Casting Company | Hollister, California, USA | High-quality investment castings, superalloys |
| 3. Milwaukee Precision Casting Inc | Milwaukee, Wisconsin, USA | Precision aluminum and steel castings |
| 4. Barron Industries | Oxford, Michigan, USA | High-precision aerospace & defense castings |
| 5. CIREX Foundry | Almelo, The Netherlands | Precision aluminum and steel castings |
| 6. Shelmet Precision Casting Co | Wild Rose, Wisconsin, USA | High-accuracy aluminum investment castings |
| 7. Besser Proactive Casting | Cixi, Ningbo, Zhejiang, China | Cost-effective aluminum investment castings |
| 8. The Federal Group USA | Bingham Farms, Michigan, USA | Precision investment castings, multi-alloy |
| 9. Stainless Foundry & Engineering | Milwaukee, Wisconsin, USA | High-precision aluminum & stainless castings |
| 10. Innovaw | Ningbo, Zhejiang, China | Aluminum investment & die casting |
Company brand: Aero Metals Inc
Establishment time: 1961
Headquarters: La Porte, Indiana, USA
Best For: High-precision aluminium investment casting, complex designs, and custom aluminium components.
Company Overview
Aero Metals Inc, founded in 1961, is an established aluminium investment casting manufacturer supplying precision aluminium components for aerospace, defense, medical, and industrial applications. The company offers in-house tooling, alloy verification, and CNC machining to support customers requiring dependable and consistent aluminium casting results.
With its aluminium investment casting factory and advanced aluminum foundry, Aero Metals produces A356 and 356 aluminium alloy castings featuring thin walls and tight tolerances. Their capabilities allow them to serve as a reliable aluminium investment casting supplier for both low- and high-volume production needs across demanding sectors.
Company brand: American Casting Company
Establishment time: 1974
Headquarters: Hollister, California, USA
Best For: High-quality investment castings with short lead times, superalloys, aerospace, and medical applications.
Company Overview
American Casting Company is an ISO 9001 and AS9100 certified investment casting manufacturer known for delivering high-quality castings with some of the industry’s shortest lead times. The company specializes in superalloys, stainless steels, and other high-performance materials, supported by lean manufacturing systems and advanced technologies such as 3D printing and vacuum melting.
With strong expertise in producing complex, high-precision parts, the company serves demanding sectors including aerospace, medical, oil & gas, and food processing. Their streamlined processes allow for rapid prototype and production casting, often completing projects in days rather than months.
Company brand: Milwaukee Precision Casting, Inc.
Establishment time: 1993
Headquarters: Milwaukee, Wisconsin, USA
Best For: Precision investment castings in aluminum, stainless steel, carbon steel, and specialty alloys; short lead times and complex custom parts.
Company Overview
Milwaukee Precision Casting, Inc. is an ISO 9001:2015 certified and AMS 2175 compliant investment casting manufacturer specializing in high-precision cast parts for industries such as automotive, medical, oil & gas, firearms, and industrial equipment. Established in 1993, the company provides aluminum A356 castings and a wide range of steel and alloy castings using advanced investment casting processes.
With capabilities including wax injection, shell building, metal pouring, heat treatment, machining, and non-destructive testing, the company offers full-service casting solutions. Their ±0.005 inch/inch accuracy and ability to handle both small and large production volumes make them a reliable partner for complex and high-performance components.
Company brand: Barron Industries
Establishment time: 1923
Headquarters: Oxford, Michigan, USA
Best For: High-precision investment castings, aerospace & defense components, turnkey machined assemblies, and complex engineered metal parts.
Company Overview
Barron Industries is a century-old investment casting manufacturer known for producing precision machined castings and assemblies for aerospace, defense, space, automotive, energy, and industrial applications. With AS9100D, ISO 9001, Nadcap, and ITAR certifications, the company supports stringent quality requirements for mission-critical components.
Barron provides vertically integrated capabilities including design for manufacturing, rapid prototyping, CNC machining, non-destructive testing, welding, heat treatment, and custom packaging. With expertise in more than 200 alloys—from aluminum and stainless steels to cobalt and nickel-based alloys—Barron delivers high-performance castings for demanding industries with reliable quality and short lead times.
Company brand: CIREX Foundry
Establishment time: 1947
Headquarters: Almelo, The Netherlands
Best For: High-precision steel and aluminium investment castings for automotive, aerospace, medical, tooling, and industrial applications.
Company Overview
CIREX Foundry is a long-established leader in the European investment casting industry, supplying precision components to global manufacturers that require consistent quality and advanced engineering support. For businesses searching for a reliable aluminium investment casting company or a custom aluminium investment casting manufacturer, CIREX offers a stable production system backed by extensive industry experience. Their foundries in the Netherlands, Germany, Slovakia, and the Czech Republic allow them to support brands that need scalable, repeatable production across multiple regions.
With decades of expertise in the lost-wax process, CIREX provides engineered solutions for companies needing lightweight, corrosion-resistant metal parts. Supported by its parent group’s aluminium capabilities, CIREX serves as a dependable aluminium investment casting supplier and aluminium investment casting factory for clients requiring tailored geometries, high dimensional accuracy, and durable performance. Their combination of automation, quality management, and technical collaboration makes them a trusted aluminium investment casting foundry for demanding industrial applications.
Company brand: Shelmet Precision Casting Co
Establishment time: 1960
Headquarters: Wild Rose, Wisconsin, USA
Best For: High-accuracy investment castings, aluminium cast components, rapid prototyping, and short-run precision metal parts
Company Overview
Shelmet Precision Casting Co is a U.S.-based investment casting manufacturer with over six decades of experience supporting engineers and OEMs who require reliable aluminium precision cast components. Operating as an aluminium investment casting company and custom casting supplier, Shelmet works closely with customers seeking durable, thin-walled, and repeatable aluminium components across industries such as medical, energy, hydraulics, machinery, and marine equipment. Their approach emphasizes hands-on project evaluation, allowing users to optimize their aluminium investment casting designs early in the development process.
Known for working with more than 100 alloys—including aluminium, stainless steel, and nickel-based materials—Shelmet delivers consistent results with ISO-9001 certified production and strict dimensional control. As an aluminium investment casting foundry and full-service aluminium investment casting factory, they offer rapid prototyping, custom alloy evaluation, technical support, and project cost-down recommendations. Their strong engineering background and dependable lead times make Shelmet a trusted aluminium investment casting manufacturer and long-term supplier for businesses requiring reliable American-made cast components.
Company brand: Besser Proactive Casting (Ningbo Besser Casting Co., Ltd.)
Establishment time: 2002
Headquarters: Cixi, Ningbo, Zhejiang, China
Best For: Cost-effective precision cast components, customized metal parts, and high-volume aluminium investment casting services
Company Overview
Besser Proactive Casting is a professional investment casting manufacturer operating as a full-process aluminium investment casting company and foundry. Established in 2002, the company has expanded into a 12,000 m² casting facility equipped with ISO 9001:2015 and IATF 16949:2016 certifications. For buyers seeking a dependable aluminium investment casting manufacturer or supplier in China, Besser provides complete lost-wax casting services, ranging from tooling development to precision machining and surface treatment. Their production system supports more than 4,000 customized cast products made for customers across construction hardware, automotive systems, hydraulic components, and industrial machinery.
With strong engineering capabilities and experience serving clients in over ten countries, Besser delivers systematic aluminium investment casting solutions that help reduce cost and improve consistency. As an aluminium investment casting factory and foundry, they cast components in stainless steel, carbon steel, alloy steel, tool steel, nickel alloys, and aluminium materials, supporting tolerance levels up to ±0.005 inch. Their rapid prototyping service, material consulting, and efficient production workflow make Besser a reliable aluminium investment casting supplier for companies that require scalable manufacturing and tailored part development for global applications.
Company brand: The Federal Group USA (TFG USA)
Establishment time: 1980
Best For: Precision investment casting solutions, including stainless steel, aluminum, copper alloys, and duplex materials.
Company Overview
The Federal Group USA is a QMS 9001:2015–certified investment casting manufacturer headquartered in Bingham Farms, Michigan. With over four decades of engineering and manufacturing experience, the company specializes in high-precision aluminium and metal investment castings for medical, marine, oil & gas, transportation, and industrial equipment sectors. Their facilities operate automated molding systems, shell-making equipment, vacuum furnaces, and NDT technologies to ensure tight tolerances and stable quality.
As a global aluminium investment casting supplier and custom metal casting partner, TFG USA provides multi-alloy casting, tooling development, CNC machining, and engineering support for both low- and high-volume orders. Their manufacturing capabilities help customers streamline product development, improve repeatability, and achieve reliable performance in demanding applications.
Company brand: Stainless Foundry & Engineering (SF&E)
Establishment time: 1946
Best For: High-precision investment casting and sand casting for complex metal components, serving chemical, nuclear, food & dairy, military, and industrial machinery industries.
Company Overview
Stainless Foundry & Engineering (SF&E), headquartered in Milwaukee, Wisconsin, is a leading U.S. foundry specializing in both investment casting and sand casting. With over 250 alloys available—including stainless steels, nickel, cobalt, duplex, carbon steels, and heat-resistant specialty alloys—SF&E delivers durable, high-performance castings with precise dimensional tolerances. Their investment casting division features advanced wax injection presses, automated ceramic shell dipping, induction melting furnaces, and comprehensive in-house non-destructive testing (RT, PT, MT, UT, VT).
SF&E offers a complete solution from prototyping to full production. Their machining services, engineering support, rapid prototyping, and alloy selection guidance ensure clients receive castings that meet stringent specifications. Capable of producing components from less than 1 lb. to over 350 lbs., SF&E is a trusted partner for manufacturers requiring high-quality, complex metal parts with consistent metallurgical performance.
Company brand: Innovaw
Establishment time: 1998
Best For: Aluminum investment casting, high-pressure die casting, gravity casting, CNC machining, and surface finishing for automotive, aerospace, energy, LED, marine, medical, and industrial components.
Company Overview
Innovaw is a professional manufacturer of aluminum castings and machined parts with over 20 years of experience. The company offers complete one-stop solutions from mold development, rapid prototyping, investment casting, die casting, CNC machining, to surface finishing. Innovaw has multiple foundry and machining facility divisions and serves customers globally across industries including automotive, aerospace, energy, LED lighting, marine, medical, and telecommunications.
Innovaw's aluminum investment casting facility features injection wax machines, dewaxing ovens, ceramic shell systems, and casting equipment capable of producing parts from 50×50mm to 400×400mm, weighing from 5g to 5kg, with a daily output of 3-5 tons. Their engineering and quality teams use advanced DFM analysis, mold flow simulations, and rigorous quality control under IATF 16949, ISO 14001, and ISO 45001 standards. With over 20 development engineers, 10 die-casting experts, and hundreds of workers, Innovaw provides tailored engineering support, cost-effective manufacturing, and reliable delivery worldwide.
Aluminium investment casting is a critical process for producing high-precision, complex metal components across industries such as aerospace, automotive, medical, and energy. Leading manufacturers around the world have built strong reputations by combining advanced foundry technologies, strict quality control, and extensive engineering support to deliver reliable and consistent results. From long-established U.S. companies like Aero Metals Inc and Barron Industries to European leaders like CIREX Foundry, these factories excel in producing intricate parts with tight tolerances, diverse alloys, and scalable production capabilities.
Amid these global leaders, Innovaw stands out as a versatile and customer-focused aluminium investment casting provider. Established in 1998 in Ningbo, China, Innovaw offers a full suite of services—from mold development and rapid prototyping to investment casting, high-pressure die casting, CNC machining, and surface finishing. Serving industries ranging from automotive and aerospace to LED, marine, and medical, Innovaw combines advanced production equipment, experienced engineers, and rigorous quality standards to deliver precision castings that meet global customer requirements.
With over 20 years of experience and a commitment to engineering excellence, Innovaw positions itself as a reliable partner for businesses seeking tailored aluminium investment casting solutions. Their focus on precision, efficiency, and global service ensures that clients can achieve high-quality, cost-effective, and timely production for both small and large-scale projects.
