List of Top 5 Lost-Waste Casting Suppliers in the US 2025

lost-wax casting suppliers in the United States

Are you searching for reliable lost-wax casting suppliers in the United States but not sure which companies truly stand out? Choosing the right partner can directly affect your product quality, lead time, and overall project success. To help you make a confident and well-informed decision, here is a carefully curated list of the Top 5 Lost-Wax Casting Suppliers in the US.

This guide compiles buyer-focused information about five manufacturers and suppliers in the United States that offer lost-wax (investment) casting services.

Qianhao (Ningbo Qianhao Metal Product Co., Ltd.)

Bunty LLC

Established: 1993

Headquarters: Ningbo, Zhejiang, China

Main Products & Services: Lost-wax (investment) castings in carbon steel, alloy steel, stainless steel, and ductile iron; CNC machining; lost-foam casting; sand casting; welding and fabrication; heat treatment; surface finishing; assembly.

Company Overview

Qianhao is a long-established manufacturer specializing in precision lost-wax castings widely supplied to North American OEMs. For U.S. buyers, the company offers a competitive combination of high-quality metal components, engineering support, and cost-effective production—especially for medium to high-volume projects.

The company’s lost-wax casting capabilities support intricate geometries and tight tolerances, which makes it appealing for U.S. industries such as automotive, truck and trailer, agricultural machinery, construction equipment, material-handling machinery, and industrial hardware. Many U.S. companies source from Qianhao because the castings are supplied with full machining, finishing, and quality reports, reducing the need for additional domestic suppliers.

For American customers focusing on quality assurance, Qianhao provides material certificates, dimensional inspection, metallurgical testing, and non-destructive testing when required. These services help U.S. buyers meet domestic standards while controlling costs by outsourcing production.

Eagle Precision Cast Parts

Information source

Established: 1994 (reported)

Headquarters: Muskegon, Michigan, USA

Main Products & Services: Precision investment castings in ferrous and non-ferrous alloys, thin-wall components, detailed parts for aerospace, defense, and industrial applications, machining and finishing.

Company Overview

Eagle Precision Cast Parts provides precision investment casting capabilities specializing in thin sections, sharp edges, and tight tolerances. The company serves aerospace, military, medical, and industrial sectors where accurate geometries and consistent repeatability are essential. They also support machining and finishing, making them suitable for buyers needing a complete casting-to-finished-part workflow.

CIREX FOUNDRY

Information source

Established: Traces to 1963

Headquarters: Almelo, Netherlands (international group; serves U.S. market)

Main Products & Services: Precision lost-wax castings in steel and complex alloys, engineering support for complex shapes, large-scale serial production.

Company Overview

CIREX is one of the largest investment casting foundries globally and offers high-quality, complex steel castings. They focus on engineering-heavy projects where design optimization is essential. U.S. buyers consider CIREX when requiring complex geometries, strict tolerances, or large-volume production with strong technical support.

Bunty LLC

Information source

Established: Experience of over 30 years

Headquarters: Greenville, South Carolina, USA

Main Products & Services: Lost-wax castings, permanent mold castings, custom metal castings, machining, plating, finishing.

Company Overview

Bunty LLC provides investment casting services for detailed components, serving industries such as automotive, industrial machinery, and consumer products. Their offerings include casting, machining, plating, and inspection, helping buyers source both raw and fully finished components from the same supplier.

Prototek

Information source

Established: Not publicly stated

Headquarters: Contoocook, New Hampshire, USA

Main Products & Services: Wax casting (lost-wax) for low-volume production, RTV molds, laser wax pattern creation, rapid prototyping and small-batch manufacturing.

Company Overview

Prototek focuses on quick-turn wax casting for metal parts where low tooling cost and fast turnaround are priorities. Ideal for prototypes, small batch runs, and pre-production sampling. They provide wax-pattern production, molding, and flexible small-quantity metal part manufacturing.

MES, Inc.

Information source

Established: 1997

Headquarters: Lewis Center, Ohio, USA (multiple U.S. offices)

Main Products & Services: Investment casting, stainless steel and aluminum castings, die casting, forging, extrusion, CNC machining.

Company Overview

MES, Inc. provides investment casting as part of a broader manufacturing and supply-chain service system. They handle complex geometries and a wide range of alloys, with capabilities from prototype through mass production. Their integrated machining and finishing services help buyers reduce vendor management complexity.

Comparison Table: China vs. U.S. Lost-Wax Casting Sourcing

Factor	Sourcing from China	Sourcing Locally in the U.S.
Cost of Castings	Lowest (typically 20–60% cheaper due to lower labor and large-scale manufacturing).	Higher (higher labor, compliance and overhead costs).
Tooling Cost	Lower (often 20–40% lower)	Higher (domestic mold fabrication costs).
Lead Time (Production)	Medium–Long	Short–Medium
Lead Time (Shipping)	Long (4–6 weeks by sea; ~1 week by air but costly)	Short (domestic logistics and transit times).
MOQ (Minimum Order Quantity)	Usually higher (economies of scale)	Lower (many U.S. foundries accept smaller batches)
Quality Control	Varies – good suppliers exist, but requires strong QC and communication (inspections, samples).	Generally more consistent; easier for on-site reviews and audits.
Communication & Project Management	Time zone differences and cultural/language gaps; requires detailed documentation and clear specifications.	Direct communication; easier engineering collaboration and faster iteration.
Customization & Engineering Changes	Slower iteration cycles for design changes.	Faster prototyping and engineering feedback loops.
Certifications (AS9100, ISO, etc.)	Available but must be verified carefully (ask for certificates and audit reports).	More commonly verified and traceable; easier to validate credentials.
Supply Chain Stability	May be affected by tariffs, customs delays, geopolitical & shipping disruptions.	More stable and predictable domestic supply chain.
IP Protection	Moderate risk depending on supplier and contract quality; requires NDAs and careful partner selection.	Stronger IP laws and enforceability; easier to litigate and protect designs.
Best For	High-volume, cost-sensitive parts with stable designs and tolerable lead times.	High-precision, fast-iteration, low-volume, regulated or mission-critical parts.

Summary: When Should U.S. Buyers Choose Each Option?

Choose China if you:

Want lower cost for parts and tooling.
Have medium to high-volume orders where unit cost matters most.
Have a design that is stable and does not require frequent engineering changes.
Can accept longer lead times and plan logistics accordingly.
Need castings in steel, stainless steel, aluminum, or other complex alloys where Chinese foundries have scale and experience.
Are prepared to manage QC through samples, inspections, and clear documentation.

Ideal for: industrial components, automotive aftermarket parts, consumer hardware, large batches, cost-driven projects.

Choose U.S. domestic suppliers if you:

Need rapid prototyping, frequent design changes, or short development cycles.
Require high precision, aerospace/medical-grade consistency, or tight tolerances.
Have low-volume or custom orders.
Need reliable communication, real-time engineering support, and easy on-site visits.
Must maintain strict compliance (AS9100, ITAR, FDA-related components, etc.).
Prefer to avoid geopolitical, logistics, or tariff risks.

Ideal for: aerospace, medical, military, robotics, R&D, or any urgent small-batch production.

Recommendation: How Should U.S. Buyers Decide?

If cost is the #1 priority → China

China delivers major cost advantages, especially when producing high-volume parts with stable designs. However, to mitigate risks:

Request sample castings and pre-production approvals.
Use third-party inspection services (SGS, Bureau Veritas, Intertek) at key milestones.
Confirm tolerances, material specifications, and heat-treat requirements in writing.
Plan for longer turnarounds and include shipping time in your production schedule.
Negotiate clear terms for rework, rejects, and warranty/guarantee on delivered parts.

If precision, speed, or consistency are the priority → U.S. Foundries

U.S. suppliers are ideal for tight-tolerance parts, engineering-heavy projects, and scenarios where delays are unacceptable. Domestic casting reduces communication risk, improves QC, and supports industries with strict regulations.

Leverage on-site visits to inspect processes and quality systems.
Use local vendors for short-run trials and qualification runs.
Prioritize suppliers with the specific certifications you need (AS9100, NADCAP, ISO 9001, ITAR registration where relevant).

Conclusion

In conclusion, while top-tier lost-wax casting manufacturers in the US set industry benchmarks, the essence of supplier selection lies in maximizing value—that is, obtaining uncompromising quality, competitive costs, and efficient service.

We focus on providing global clients with precision castings that meet top-tier standards, while leveraging superior supply chain management and process optimization to deliver significant cost benefits and more flexible delivery times. Choosing Qianhao means choosing a reliable partner who will not compromise on quality, price, and service. Contact Qianhao and let us add value to your next project.