Are you struggling to find a reliable investment casting partner in the USA that can deliver precision, quality, and timely production?
Choosing the right foundry can make all the difference for your project’s success. In this article, we highlight the best investment casting factories in the USA, detailing their capabilities, materials, and services to help you make an informed sourcing decision. Whether you need complex prototypes or high-volume production, understanding each manufacturer’s strengths will guide you to the right partner for your needs.
1. Stainless Foundry & Engineering, LLC
Established: 1946
Headquarters: Milwaukee, Wisconsin, USA
Main Products & Services: Investment (lost-wax) castings; sand castings; machine shop (turning, milling); precision castings in over 250 alloys (stainless steels, heat resistant stainless, nickel alloys, cobalt alloys, carbon/low-alloy steels, cast irons, specialty alloys)
Company Overview:
Stainless Foundry & Engineering (SF&E) is a full-service foundry combining both sand casting and investment casting under one roof, which helps U.S. customers by reducing the need to work with separate foundries for different casting processes. - Their investment casting (“lost-wax”) can produce complex, precision parts from less than 1 lb up to ~350 lb, offering tight tolerances and near-net shape. - Their sand casting division can handle large parts, with furnace capacity up to 7,000+ lb. - They pour more than 250 different alloys, giving buyers a very wide material choice. - In-house machining (turning / milling) supports finishing after casting and reduces lead times and supply-chain complexity. - They maintain high quality with certifications (e.g., ISO 9001, Pressure Equipment Directive, nuclear / ASME standards) – making them highly reliable for safety-critical industries. - Their customer communication is very transparent, with a secure online portal, real-time status updates, and expediting tools. - They have invested in modern equipment (e.g., a precision cleaning center to speed shell removal) to improve productivity, quality, and lead times.
2. American Casting Company
Established: Since 1974
Headquarters: Hollister, California, USA (205 Apollo Way, Suite A)
Main Products & Services: Precision investment (lost-wax) castings in superalloys (nickel-based, cobalt-based), stainless steels, implant-grade CoCrMo, plus CNC machining, vacuum melting, 3D printing / rapid prototyping, finishing, inspection.
Company Overview:
American Casting Company is a U.S.-based specialist in investment casting, known for very fast lead times thanks to lean manufacturing processes. - Their lean production system and 3D printing technologies allow them to deliver high-quality castings in days rather than months. - They are ISO 9001 and AS9100 certified, supporting highly regulated industries such as aerospace, medical, oil & gas, and more. - Their capabilities include vacuum melting for superalloys, which is critical for high-performance applications. - They also offer value-added services: CNC machining, finishing, inspection, and heat treatment, enabling a one-stop casting-to-component solution.
3. IPC Foundry Group
Established: *(Note: Their U.S. foundries have over 45 years of experience.)*
Headquarters: Multiple U.S. facilities – Lindon, Utah & Marble Falls, Texas.
Main Products & Services: High-precision investment castings (ferrous and non-ferrous): low-carbon steels, tool steels, 300/400 series stainless, nickel-base alloys, cobalt, copper-based, etc.; full-service prototyping; machining, finishing, heat treating, testing; 3D printing; UL-certification support.
Company Overview:
IPC Foundry Group is a one-stop-shop for precision casting and metalworking. They operate two modern U.S. investment casting foundries (in Utah and Texas) and offer around-the-clock production. - Their investment casting process supports prototyping, first articles, and full production runs, giving flexibility to OEMs who need to scale. - They pour a broad range of alloys, making them suitable for demanding applications (aerospace, defense, energy, medical, etc.). - They support machining, finishing, heat treating, NDT/testing, and certification (e.g., UL), enabling customers to get ready-to-install parts. - Their U.S.-based production helps customers “onshore” their casting programs, reducing lead times, improving IP protection, and simplifying supply chain. - They also partner with international foundries for exotic materials (e.g., aluminum, titanium) or cost-sensitive large runs, while retaining domestic technical oversight. - Their Texas operation has been active since 1975, and Utah since 1980.
4. Aristo-Cast, Inc.
Information Sources
Established: Renamed to Aristo-Cast in 1995 (the company’s roots go earlier, but the current name dates from then)
Headquarters: Almont, Michigan, USA
Main Products & Services: Investment casting (lost-wax) – ferrous, non-ferrous, magnesium parts; additive manufacturing and 3D-printed shells; rapid prototyping; tool design; heat treatment; machining; coating; assembly.
Company Overview:
Aristo-Cast is a highly experienced U.S. foundry combining decades of craftsmanship with cutting-edge additive manufacturing. - The leadership team has over 450 years of combined experience in investment casting. - They specialize in complex geometries and uncommon alloys, including lightweight magnesium castings—a rare capability among U.S. foundries. - Their “Printed Investment Casting Shell” (P.I.C.S.) process eliminates the need for expensive tooling, enabling faster turnaround and reducing cost, especially for prototypes. - They operate an Advanced Technology Center (tooling, additive manufacturing, wax printers, 5-axis machining) to provide full control over design, production, and cost. - They offer value-added services (machining, heat treat, coating, assembly), making them a full solution foundry. - They hold AS9100:D and ISO 9001-2015 certifications, which is important for customers in aerospace, medical, defense, and high-reliability sectors. - They have won multiple casting awards (e.g., aerospace, automotive), underscoring their technical excellence.
5. Signicast (A Form Technologies Company)
Established: 1959
Headquarters: Hartford, Wisconsin, USA (1800 Innovation Way)
Main Products & Services: Precision investment castings (stainless, nickel, cobalt, tool steels, titanium, aluminum, precipitation-hardened alloys); in-house CNC machining; automated casting process; value-added operations (heat treating, finishing, broaching, drilling, assembly); prototyping; surface finishing; engineering optimization.
Company Overview:
Signicast is a global leader in precision investment casting with deep U.S. manufacturing roots. - Their Hartford, WI facility is extremely advanced: about 654,559 sq ft, with seven fully automated manufacturing / value-added modules, running continuous flow 24/7 for very fast lead times. - Their proprietary “SOPHIA®” casting process produces denser microstructure and finer grain castings, improving part performance. - They support a wide range of alloys including 300- and 400-series stainless, cobalt, nickel, titanium, aluminum, tool steels, etc., enabling use in demanding applications. - They offer integrated engineering collaboration, helping customers optimize cast design, reduce cost, and improve manufacturability. - Their secondary operations include in-house broaching, CNC machining, drilling, heat treating, finishing, and assembly, which can reduce supply chain complexity for customers. - They also emphasize sustainability and efficient production practices; and they have various certifications reflecting quality control. - Their continuous flow, automated production and local U.S. capacity make them ideal for buyers wanting reliable, scalable, high-performance investment cast parts.
6. Barron Industries
Established: 1923 (as Motor & Machinery Castings)
Headquarters: Oxford, Michigan, USA
Main Products & Services: Precision investment (lost-wax) castings in over 200 ferrous and non-ferrous alloys (stainless steel, aluminum, cobalt, nickel, tool steel, armor alloys, etc.) In-house CNC machining, rapid prototyping (additive / 3D printing), non-destructive testing (NDT), welding (NADCAP), assembly, plating, painting, quality inspection, ERP / supply chain management.
Company Overview:
Barron Industries is a century-old vertically integrated foundry and component manufacturer, offering turnkey solutions from design to finished assemblies. - As an investment casting specialist, Barron pours over 200 different alloys, including high-strength stainless, nickel, cobalt, and aluminum, enabling them to serve highly demanding sectors like aerospace, defense, energy, and automotive. - They use solidification simulation tools to validate customer designs before casting, improving part integrity and reducing iteration costs. - Their quality systems include AS9100D and NADCAP accreditation for radiography, penetrant testing, and welding, giving U.S. buyers confidence for safety-critical applications. - The foundry also supports advanced manufacturing: 3D printed wax patterns or tooling, rapid prototyping, and assembly, helping reduce lead times and simplify the supply chain. - With its ERP-driven process, Barron ensures traceability (lot serialization, barcode, work-in-process tracking), which is critical for regulated industries.
7. Aero Metals, Inc.
Established: 1961
Headquarters: La Porte, Indiana, USA
Main Products & Services: Precision investment castings in a broad range of alloys: stainless steel, ductile iron, nickel-based, aluminum, cobalt-based, copper-based, and beryllium-copper. In-house wax injection tooling, custom tool design, engineering support, CNC machining, quality inspection, and production tracking via ERP.
Company Overview:
Aero Metals is a well-established precision casting foundry with over six decades of experience in delivering complex, tight-tolerance components for industries such as aerospace, defense, marine, firearms, security hardware, agriculture, and more. - Their facility in La Porte, IN, covers ~175,000 sq ft, combining advanced casting capabilities with in-house tooling and pattern production. - They maintain a very flexible alloy portfolio, supporting over 220 different ferrous and non-ferrous materials, which gives U.S. customers strong material choice for their applications. - Engineering support begins from design — Aero Metals works closely with customers to optimize geometry, reduce cost, and improve manufacturability. - They are ISO 9001:2015 certified, ensuring a robust quality system, and use ERP tracking to manage production and ensure consistency. - Their process includes efficient wax pattern tooling, shell building, casting, and finish operations, providing both prototypes and production-volume castings.
8. Kormax
Established: (Family foundry with ~75 years of experience in foundry / engineering metals)
Headquarters: Schaumburg, Illinois, USA (U.S. Office)
Main Products & Services: Investment (lost-wax) castings: stainless steel, cast iron (including white iron), bronze, titanium, steel. Other casting methods: sand casting, centrifugal casting, continuous casting. Engineering services: design for manufacturability, alloy selection, prototyping, supply chain risk mitigation.
Company Overview:
Kormax is a fourth-generation family-owned foundry and engineering materials company, offering a wide breadth of casting services and materials to U.S. customers. - Their investment casting process supports both ferrous and non-ferrous metals, giving clients flexibility in alloy and design. - Kormax emphasizes early-stage design collaboration: helping customers choose the right alloy, optimize cast geometry, and reduce risk. - Their process knowledge and experience (75+ years) allow them to guide U.S. buyers in casting technique selection, cost tradeoffs, and manufacturability. - They operate globally (Australia, New Zealand, USA), but their U.S. presence gives domestic customers a reliable casting partner. - Kormax also supports risk reduction and supply chain resilience, helping clients secure reliable sources of engineered cast components.
9. Bescast, Inc.
Established: 1945
Headquarters: Willoughby, Ohio, USA (4600 East 355th St.)
Main Products & Services: High-precision investment castings (especially aerofoils, vanes, compressor / turbine hot-path components) in superalloys (nickel, cobalt), stainless steels, high-temperature alloys. Value-added services: rapid prototyping (wax / 3D), solidification modeling, CNC machining, heat treatment, finishing, inspection.
Company Overview:
Bescast is a well-established investment casting foundry with deep experience in high-performance, high-temperature components, especially for the power generation / turbine markets. - Their 80,000-square-foot facility is designed for precision investment casting for demanding applications like turbine engine compressor wheels, hot-path vanes, fuel system parts, and structural components. - The company combines solidification simulation, rapid prototyping, and precise machining to deliver tight tolerances and complex geometries. - They support a diverse alloy portfolio: superalloys (nickel, cobalt), stainless steels, and other high-temperature materials, meeting the needs of aerospace and energy sectors. - Bescast emphasizes vertical integration: pattern design, shell building, casting, final machining, coating, and quality inspection are all under one roof. - Their leadership is experienced in the casting business, and they maintain quality certifications relevant to their customers in critical industries.
10. Eagle Precision Cast Parts, Inc.
Established: 1991
Headquarters: Muskegon, Michigan, USA
Main Products & Services: Ferrous and non-ferrous precision investment castings, from very small / detailed parts up to ~ 90 lb net weight. Engineering support (DFM), process planning, tight-tolerance casting (+/– 0.005 in/in), surface finish control, metrology, 3D solidification modeling, turnkey assemblies.
Company Overview:
Eagle Precision Cast Parts is a full-service investment casting foundry that is part of the Eagle Group, known for its customer-first philosophy and quality-first mindset. - Since its founding in 1991, Eagle Precision has grown to produce over 1,000 different part numbers, serving a broad range of industries. - Their 55,000+ sq ft facility (expanded in recent years) supports high-precision casting with advanced process control and modern equipment. - They provide tight tolerances, fine surface finishes, and design-for-manufacturability support — helping customers convert complex parts into castings that reduce machining and cost. - Their quality system includes ISO 9001 and other certifications; they also emphasize continuous improvement, lean manufacturing, and strong customer relationships. - Furthermore, they offer turnkey assembly services, so customers can receive finished components ready for integration, reducing supply-chain complexity.
Conclusion
Choosing the right investment casting partner is key to ensuring high-quality, reliable, and cost-effective castings. As a professional Chinese investment casting factory, we provide custom metal castings for U.S. customers, supporting small prototypes to large-volume production.
Our services include design consultation, material selection, mold development, casting, and finishing, all tailored to meet your specifications. By working with us, U.S. buyers can access competitive pricing, consistent quality, and flexible production without compromising on standards.
Contact us today to discuss your project and get custom investment casting solutions designed for your needs.
