HIGH PRESSURE ALUMINUM DIE CASTINGS
FOR EVERY INDUSTRY

Reliability / Innovation / Excellence
Since 1977, Supreme Casting has been delivering top-tier aluminum die casting solutions with excellence and efficiency. Operating out of a 96,000 sq. ft. facility in Stevensville, Michigan, we run 24/5—plus weekends when needed—to meet the demands of industries like heavy truck, automotive, and electric vehicle propulsion. With 14 fully automated die-cast machines, real-time X-ray inspection, and advanced finishing capabilities, we ensure every casting meets the highest standards. Built on decades of expertise and backed by an ISO 9001 Certified Quality System, Supreme Casting is your trusted partner for quality-driven manufacturing.

What We Do
Precision-crafted die-castings solutions designed for durability, performance, and efficiency
High Pressure Die Casting
High-pressure aluminum die castings with fully automated machinery
Custom Solutions
Single to multi-cavity tools for a wide range of industries.
Shot Blasting & Finishing
On-site vibratory finishing for smooth, high-quality castings.
Machining Operations
In-house machining for enhanced production capabilities.
Our Process
| Consultation | Proposal | Production | Inspection |
| We asses your needs and recommend the best casting solutions | Get a tailored plan with optimized materials, processes, and timelines | We bring your project to life with expert craftsmanship and advanced technology | Rigorous testing ensures every part meets the highest standards |
Quality, Strength, Excellence
Founded in 1977, Supreme Casting is a family-owned company based in Stevensville, Michigan, specializing in high-pressure aluminum die castings. We’ve built our success by consistently delivering high-quality castings to manufacturing clients across the United States.
Our services encompass automated casting, machining, and finishing, all designed to solve problems and exceed customer expectations. As members of NADCA and the Michigan Tooling Association, we uphold the highest standards of quality, ensuring timely and competitively priced products for industries like automotive, medical, and heavy truck manufacturing.
- ISO 9001 Certified Quality System
- Satisfaction Guaranteed
- Excellent Customer Service
- Nationwide Reach
ISO 9001 Certified
Quality System
At Supreme Casting, quality is our top priority. Backed by an ISO 9001-certified quality system, we adhere to strict quality management standards, ensuring accuracy, consistency, and reliability in every product we produce.
Our Core Values
Delivering high-quality die casting solutions with innovation, accuracy, and reliability.
Quality Excellence
We deliver aluminum die castings that meet the highest standards of quality and durability.
Customer Satisfaction
We build lasting relationships by understanding and exceeding client expectations.
Innovation & Efficiency
We invest in technology to deliver efficient, automated solutions that solve challenges.




Cast Range: Ounces up to 6 Lbs.
Alloys: 360 & 380 Aluminum
Furnace: 7 Frank W. Schaefer 10,000 lb gas furnaces.
All machines are automatic, utilizing the latest technology in programmable controllers and monitoring systems to ensure quality castings
DIE CAST MACHINES & ASSOCIATED TRIM DIE PRESS

