Are you looking for a high-quality, high-precision investment casting manufacturer for your next project? Or are you trying to find reliable investment casting foundries and precision casting suppliers closest to your location?
Congratulations — you don't have to look any further. This article has been prepared specifically for you.
Whether you need a trusted investment casting company for high-volume production runs, a specialized factory for complex custom precision castings, or a flexible lost wax casting supplier that can handle small-batch prototype orders, this guide covers the full spectrum. We've done the research so you don't have to — collecting the 10 best investment casting companies through Google, evaluating each one based on casting capabilities, material range, quality certifications, and real customer experience.
For every foundry on this list, you'll find detailed company information, addresses, main products, and an honest introduction — everything you need to quickly evaluate whether a manufacturer is the right fit for your requirements. If you need custom cast metal parts, structural components, or finished precision castings delivered to spec and on time, these are the 10 investment casting suppliers worth contacting in 2026.
Read on to find the best investment casting factory for your next metal project.
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What is Precision Investment Casting?
Precision investment casting refers to an industrial process based on lost wax casting and is one of the oldest known metal forming techniques. Compared with the traditional sand casting process, the castings obtained by precision casting are more accurate in size and have better surface finish.
Its products are precise, complex and close to the final shape of the part. It can be used directly without processing or treatment. It is an advanced process of near-net shape.
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Analysis of Investment Casting Market
The global investment casting market size was estimated at USD 17.43 billion in 2025 and is projected to reach USD 24.95 billion by 2033, growing at a CAGR of 4.5% from 2026 to 2033. The market is growing steadily due to rising aerospace, automotive, and industrial demand.
Investment cast products are majorly used in the aerospace industry to offer a wide range of critical applications. Highly engineered castings such as cable clamps, ball bearings, fuel valves, fuel manifolds, landing gear, brake systems, pitot probes, and other sensors are manufactured using the investment casting process.
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Top 10 Investment Casting Manufacturers and Suppliers
| Company Name | Services | Headquarters |
| American Casting Company | Investment Casting Services | California, USA |
| MetalTek International | Investment Casting Services | Wisconsin, USA |
| Zollern GmbH and Co. KG | Investment Casting Services | Germany |
| Ningbo Besser Casting Co., Ltd. | Investment Casting Services | Ningbo, China |
| Barron Industries | Investment Casting Services | Oxford, MI, USA |
| Bescast, Inc. | Investment Casting Services | USA |
| Aero Metals Inc. | Investment Casting Services | USA |
| Milwaukee Precision Casting, Inc. | Investment Casting Services | Wisconsin, USA |
| Investacast Limited | Investment Casting Services | UK |
| Ningbo Qianhao Metal Product Co., Ltd. Inc. | Investment Casting Services | China |
Company Profile
Website: https://americancastingco.com/
Certifications: ISO 9001, AS9100, NADCAP (Heat Treating)
Main Products: Stainless steel investment castings, carbon steel castings, cobalt-based alloy castings, nickel-based alloy castings, superalloy investment castings, medical implant castings, aerospace precision castings
Company Overview:
American Casting Company is a US-based investment casting foundry in Hollister, California, best known for combining premier casting quality with the industry's shortest lead times. Their lean manufacturing system is built to compress turnaround cycles — delivering precision investment castings in days, not months. They specialize in high-performance materials including superalloys, implant-grade CoCrMo, nickel-based and cobalt-based alloys, supported by vacuum melting, 3D-printed patterns, and in-house services covering tooling design, DFM review, NDT, solidification analysis, and passivation. Markets served include aerospace, defense, medical implants, oil and gas, marine, and turbine engines.
Who Should Contact Them: Buyers sourcing precision castings in superalloys or high-performance materials for aerospace or medical applications where lead time matters.
Company Profile
Website: https://www.metaltek.com/
Certifications: ISO 9001, AS9100, NADCAP (multiple processes)
Main Products: Centrifugal castings, sand castings, investment castings, high-integrity ingots, AOD-processed alloys, precision machined components
MetalTek International is a US-based manufacturer known for producing critical precision castings and metal components for the most extreme industrial environments — high heat, high wear, and high corrosion applications. With over 100 metallurgists and engineers on staff, they offer centrifugal, sand, and investment casting processes alongside in-house heat treatment, machining across 200+ CNC centers, and advanced testing. They serve aerospace, defense, petrochemical, turbine engine, renewable energy, steel mill, and food processing industries.
Who Should Contact Them: Buyers sourcing high-integrity precision castings in specialty alloys for mission-critical industrial applications where material expertise and engineering support are essential.
Company Profile
Website: https://www.zollern.com/en/
Certifications: ISO 9001, DIN EN 9100 (Aerospace), multiple industry-specific quality standards
Main Products: Vacuum investment castings, open-air investment castings, sand castings, centrifugal castings, ceramic castings, shell castings, copper alloy forgings, special profiles
ZOLLERN is a German industrial group with over 300 years of manufacturing heritage, recognized for delivering customer-specific precision castings across one of the broadest process ranges in the industry. Their casting division covers vacuum investment casting, sand casting, croning/shell casting, ceramic casting, and centrifugal casting — all backed by in-house metallurgical engineering and forging capabilities. They serve aerospace, energy, drive technology, marine, and heavy machinery sectors globally.
Who Should Contact Them: European industrial buyers or global procurement teams sourcing precision cast and forged components in specialty alloys that require long-term engineering collaboration and strict quality standards.
Company Profile
Website: https://www.bessercasting.com/
Certifications: ISO 9001:2015, IATF 16949:2016
Main Products: Stainless steel investment castings, carbon steel castings, alloy steel castings, tool steel castings, nickel alloy castings
Ningbo Besser Casting is a China-based investment casting foundry with over 21 years of experience, best known for lost wax casting precision and a rigorous 12-step production process covering casting simulation, tooling, wax injection, shell making, surface treatment, and CNC machining. They serve 400+ active customers across 10+ countries, with experience on over 4,000 product structures in more than 200 material grades. Average tooling development and sample delivery each run approximately 10 days.
Who Should Contact Them: Overseas buyers needing custom precision investment castings in steel or nickel alloys from a certified Chinese factory with fast sampling cycles and competitive pricing.
Company Profile
Website: https://www.barron-industries.com/
Certifications: AS9100D, ISO 9001, NADCAP (NDT & Welding), ITAR, CMMC 2.0, GE Aerospace Approved, Boeing Approved
Main Products: Aluminum investment castings, stainless steel investment castings, nickel and cobalt alloy castings, hybrid additive investment castings, precision machined assemblies
Barron Industries is a 100-year-old US-based turnkey investment casting manufacturer headquartered in Oxford, Michigan, known for its vertically integrated concept-to-completion process. Their standout capability is hybrid additive investment casting — combining 3D printing with traditional lost wax casting to dramatically accelerate prototyping and low-volume production. With 200+ alloys, in-house CNC machining, NADCAP-certified NDT and welding, and an offshore sourcing network for high-volume programs, they serve aerospace, defense, space, autonomous systems, energy, and heavy truck industries.
Who Should Contact Them: Aerospace and defense buyers needing a certified, single-source investment casting partner — especially for programs requiring rapid prototyping, hybrid additive capabilities, or complex machined assemblies.
Company Profile
Website: https://bescast.com/
Certifications: ISO 9001, AS9100, NADCAP
Main Products: Thin-wall precision investment castings, stainless steel castings (17-4PH, 15-5PH, 400 series), nickel-based and Inconel castings, cobalt-based alloy castings, aerospace turbine components
Bescast is a US-based precision investment casting foundry with over 75 years of experience, best known for producing tight-tolerance, thin-wall castings for the most demanding aerospace, defense, and energy applications. They specialize in high-performance alloys including stainless steels, nickel-based alloys, Inconel, and cobalt, and are a recognized supplier for jet engine components such as turbine nozzles, impellers, blades, and fuel system parts. Their quality program and concurrent engineering approach are specifically designed to reduce product development time and optimize designs for manufacturability from the start.
Who Should Contact Them: Buyers sourcing thin-wall or complex precision castings in high-temperature alloys for aerospace, jet engine, defense, or power generation programs where dimensional accuracy and process control are non-negotiable.
Company Profile
Website: https://www.aerometals.com/
Certifications: ISO 9001:2015, ITAR Registered (Cage Code & FFL License)
Main Products: Stainless steel investment castings, aluminum castings, carbon steel castings, nickel-based castings, cobalt-based castings, beryllium copper castings, ductile iron castings, brass and bronze castings
Aero Metals is a US-based investment casting foundry in La Porte, Indiana, with over 60 years of precision casting experience. They are known for an exceptionally broad alloy range — including the less commonly offered beryllium copper and ductile iron — and for building all tooling in-house to tightly control dimensional accuracy. Their customer base spans aerospace, military and defense, firearms, pump and valve, agriculture, automotive aftermarket, and security hardware — making them one of the more versatile mid-size investment casting manufacturers in the US.
Who Should Contact Them: Buyers across a wide range of industries who need a reliable US-based investment casting foundry with broad alloy capabilities, in-house tooling, and experience handling both standard and less common casting materials.
Company Profile
Website: https://www.milwaukeeprec.com/
Certifications: ISO 9001:2015, ITAR Compliant, AMS 2175
Main Products: Stainless steel investment castings, aluminum castings, carbon steel castings, cobalt castings, brass and bronze castings, tool steel castings, specialty metal castings
Milwaukee Precision Casting is a Wisconsin-based investment casting manufacturer founded in 1993, known for high-volume precision casting at competitive lead times with ±.005 inch accuracy. They handle the full casting process in-house — from wax injection and shell formation through metal pouring, cutting, heat treatment, NDT, surface finishing, and passivation — covering virtually any air-melt alloy. Their industry reach is unusually broad, including oil and gas, agriculture, firearms, food and dairy, petrochemical, waste management, medical, construction, mining, and power transmission.
Who Should Contact Them: Industrial buyers across general manufacturing sectors who need a reliable US-based precision casting partner with wide alloy coverage, full in-house processing, and strong volume flexibility from prototype to high-run production.
Company Profile
Website: https://investacast.com/
Certifications: ISO 9001:2015, JOSCAR Registered
Main Products: Investment castings, water glass castings, pressure die castings, gravity die castings, sand castings, forgings, precision machined components
Investacast is a UK-based investment casting company headquartered in Devon with over 50 years of experience, known for combining domestic UK manufacturing with a managed global sourcing network across Asia and Europe. Their UK facility offers the full investment casting workflow — design for manufacture, prototyping, in-house tooling, heat treatment, precision machining, surface treatments, and stockholding. Through 10 global partners, they extend into die casting, water glass casting, sand casting, and forging, producing approximately 2 million parts annually across 100+ alloys. They serve aerospace, defense, energy, medical, transportation, safety-critical, and process equipment sectors.
Who Should Contact Them: European buyers — particularly in the UK — who need a single-source casting supplier with domestic manufacturing credibility and the flexibility to access global production for larger volumes or additional processes.
Company Profile
Website: https://www.chinaprecisecasting.com/
Certifications: ISO 9001:2015
Main Products: Lost wax castings, investment castings, lost foam castings, shell molding castings, sand castings, steel castings, precision machined components
Company Overview: Established in 1993, Ningbo Qianhao is a large-scale Chinese precision casting manufacturer with 6 production bases spanning 120,000 square meters, 500+ employees, and 50,000-ton annual capacity. They cover a wide range of casting processes — investment casting, lost wax, lost foam, shell molding, and sand casting — and serve rail transit, construction machinery, material handling, automotive, and agricultural equipment industries. Over 10,000 custom metal parts have been delivered to clients across 30+ countries, supported by ISO 9001:2015 certification and a structured 4-step custom ordering process from drawing submission through global delivery.
Who Should Contact Them: Global buyers seeking a large, vertically integrated Chinese precision casting factory with multi-process capability, proven export experience, and competitive pricing for both prototype and volume orders.
Who Is the Best Investment Casting Company?
We can’t answer the question of who is the best investment casting company. Although we have been in the precision casting industry for decades. We will try to identify the most important manufacturers in the metal casting industry.
Signicast is a leading investment casting manufacturer located in Wisconsin, USA. They've been around for over sixty years and definitely belong on this list.
Metaltek is a well-known investment casting supplier from the United States, specializing in the production of bushings, bearings, brackets, grate systems, pump casings, impellers, and many other components and tools in the industry.
Precision Castparts is another important player in the investment casting industry. The company specializes in the production of large complex structural investment castings, forged components, airfoil castings, aerospace structures and highly engineered fasteners for aerospace applications.
Besser Casing is the world's leading investment casting company, providing the most affordable, highest quality metal castings. Therefore, it is the most cost-effective investment casting company in Besser.
Factors to Remember When Choosing an Investment Casting Manufacturer
Choosing the right investment casting manufacturer directly affects your part quality, delivery schedule, and total project cost. Before reaching out to any supplier, keep these key factors in mind:
Certifications & Quality Standards. Always verify that the manufacturer holds relevant certifications such as ISO 9001, AS9100, or IATF 16949. These are not just badges — they indicate that the foundry operates under documented quality systems with consistent process controls.
Material & Process Capability. Not every foundry can cast every alloy. Confirm that the manufacturer has proven experience with your specific material — whether that's stainless steel, aluminum, nickel-based superalloys, or cobalt — and that their process (lost wax, vacuum casting, etc.) matches your part requirements.
Tooling & Prototyping Support. A capable investment casting partner should be able to build tooling in-house and offer prototype runs before committing to full production. This saves significant time and cost when design adjustments are needed.
Tolerance & Surface Finish. Investment casting can achieve tight tolerances, but actual capability varies by foundry. Request tolerance standards upfront and ask for sample parts or case studies relevant to your application.
Lead Time & Order Flexibility. Whether you need a single prototype or high-volume production, make sure the manufacturer can match your timeline and minimum order requirements without forcing you into unnecessary commitments.
Secondary Services. Manufacturers that offer in-house CNC machining, heat treatment, NDT, and surface finishing reduce your supply chain complexity and risk. The fewer handoffs, the better your quality control.
Location & Communication. Domestic manufacturers offer faster shipping and easier communication, while overseas foundries — particularly in China — can provide significant cost advantages for volume orders. Choose based on your priorities and the complexity of your project.
How to Choose a Reliable Investment Casting Manufacturer？
This is one of the most common questions we hear from buyers who are new to sourcing investment castings — and honestly, even experienced procurement teams get it wrong. There are a lot of factors people obsess over: price, lead time, location, certifications. But after going through this process more times than I'd like to count, the one thing that matters most is simple: has this manufacturer actually done what you're asking them to do before?
Not "we can handle that" — real proof. Parts, records, customers you can call. A few years ago, a procurement team we know shortlisted three suppliers for an Inconel turbine component. Two came in cheaper. One had 12 years of documented production in that exact alloy, AS9100 certified, with rejection rates under 0.3%. They went with one of the cheaper options.
Fourteen weeks later, they were dealing with a pile of rejected parts, an emergency retooling bill, and a product launch that slipped by a quarter — the total damage ran to nearly three times what they would have paid the experienced supplier in the first place.
So before you look at price, before you compare lead times, just ask: can you show me something similar you've already built? A foundry that's cast 10,000 units of a comparable part at ±0.005 inch tolerance is a completely different conversation from one that's confident they could figure it out.
Conclusion
The above are the Top 10 high quality precision investment casting manufacturers we provide around the world. You can get in touch with them through the following contact information. After comparison, we can obtain the most suitable precision investment casting manufacturers to cooperate and strive for greater benefits for you.
If you are interested in China's investment casting manufacturers, then you can read this article to learn about China's outstanding investment casting manufacturers.
Welcome to visit our website: https://www.bessercasting.com/
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