Aluminum Foundry Certified Quality Systems

meets rigorous customer and industry requirements. For design engineers, quality engineers, and procurement professionals, this means complete confidence that each component leaving our facility has been produced under a repeatable, audited system built for compliance, reliability, and performance.

At Stahl, Certified Quality Systems are not a box to check—they are how we safeguard component integrity, reduce risk, and deliver aluminum castings capable of meeting the highest mechanical, dimensional, and pressure-tight standards. From automotive and marine to HVAC, agriculture, and heavy equipment applications, our certified processes give customers the assurance they need to bring critical products to market without compromise.

At Stahl Specialty Company, Certified Quality Systems are more than a set of procedures—they are the backbone of how we deliver dependable aluminum castings for mission-critical applications. For our customers, this means every casting is backed by a repeatable, documented, and audited process that ensures compliance and performance at every stage.

Key advantages include:

Serving the industry with high-quality aluminum castings since 1946, Stahl’s mission is to become the world’s best aluminum casting supplier through innovation, profitable growth, and value creation for our customers, employees, and stakeholders.

What sets Stahl apart:

• Vertically Integrated Production: Unlike many aluminum foundries, Stahl controls the entire process—tooling, casting, machining, finishing, and testing—all under one roof.
• Unmatched Casting Volumes: With the capacity to support orders ranging from 500 to over 2,000,000 pieces, Stahl offers unparalleled scalability.
• Precision for Complex Geometries: Our static pour process allows for preferred solidification direction, enabling the successful production of complex shapes with exceptional integrity.
• World-Class Capabilities:
  • Tool design and engineering support
  • Core making (hot cured and cold cured)
  • Heat treating
  • Testing (Hardness, Tensile, X-ray, Dye Penetrant, LOI, Chemical Analysis, RPT)
  • CMM inspection and laser scanning
  • Machining, grinding, and assembly

This combination of expertise and infrastructure positions Stahl as more than just an aluminum casting supplier—we are a long-term manufacturing partner.

Founded by Glenn W. Stahl in the years following World War II, Stahl Specialty Company began as a modest aluminum foundry. Over the decades, it has evolved into a full-service, state-of-the-art permanent mold foundry and CNC machine shop recognized nationwide.

Today, Stahl operates from facilities in Kingsville and Warrensburg, Missouri, producing castings ranging from two pounds to over 400 pounds. Our components are relied upon by OEMs across industries including marine, diesel engines, agriculture, refrigeration, automotive, and heavy construction.

From the start, our philosophy has been simple: precision, reliability, and service. These values remain central to our Certified Quality Systems and continue to guide our relationships with customers worldwide.

Stahl’s Certified Quality Systems support a wide range of industries where reliability and precision are essential:

Across every sector, our Certified Quality Systems ensure the parts we deliver meet stringent quality, safety, and performance requirements.