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Company Summary

Company Overviews

O’Fallon Casting is a world- wide industry leader in the manufacture of Aluminum and Aluminum/Silicon Carbide Metal Matrix Composite (MMC) Investment Castings.

In 2012, O’Fallon Casting was the Small Business Administration’s Region VII Subcontractor of the Year.
In 2013, O'Fallon Casting was the winner of the American Foundry Society "Casting of the Year" contest.
In 2014, O'Fallon Casting was the winner of the Investment Casting Institute's "Aerospace Casting of the Year" award

Founded in 1969 and located near St. Louis in O’Fallon, Missouri, this ultra-modern 50,000 square foot foundry manufactures complex, thin-walled castings for Commercial, Government and Aerospace markets.

O’Fallon Casting is an ISO-9000 and AS-9100 registered Small Business with Special Processes (Heat Treatment, Non-Destructive Testing & Welding) independently accredited by NADCAP. It is qualified for the Model Based Definition manufacture and features technologies such as Digital Radiography, non-contact Laser Metrology, Laser Marking, and Compression Straightening.

O’Fallon Casting’s combination of experience and technology provide World Class performance to its customers.

Rating Reviews

Rating is calculated based on 2 reviews and is evolving.

Featured Reviews

Foundry Worker
3.7
28 August 2026
Steady Work in Metal Casting with Room for Improvement
Pros: The team at O'Fallon Casting really pulls together, which makes the daily grind more manageable. I've learned a lot about different foundry processes, and there's a real sense of pride in the work we do. The company offers decent job security for production roles, and the management is usually approachable when you have questions or concerns.
Cons: While there's flexibility with shifts if you coordinate, strict adherence to rigid schedules can sometimes be a challenge, especially when personal appointments arise. Communication about production changes could also be more proactive to help manage workload expectations. Some older equipment could use upgrades to improve efficiency.
Advice to Management: Consider implementing a more robust system for communicating production schedule changes further in advance and explore options for minor equipment upgrades to boost efficiency and ease of operation on the foundry floor. Investing in cross-training programs could also enhance career mobility for dedicated employees.
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Machine Operator
3.4
3 September 2026
Steady Work with Room for Improvement
Pros: O'Fallon Casting offers consistent employment in the metal casting industry. The work itself is manageable, and there's a good sense of teamwork among the shop floor staff. I've learned a lot about operating different types of machinery and the general production process.
Cons: While the pay is adequate, it doesn't always feel competitive with similar roles in the region. Sometimes communication from upper management can be a bit unclear, leading to minor confusion on project priorities. Training could be more structured for new hires.
Advice to Management: Consider more frequent, clear communication regarding company goals and production targets. Investing in more structured training programs could also benefit employee development.
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