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Upper Midwest Industries (UMI) builds a diverse family of manufacturing companies that produce high-quality components for various industrial applications. The firm's strategic approach involves acquiring and integrating established businesses to foster operational excellence and ensure the sustained production of critical goods within the American manufacturing landscape. UMI focuses on creating enduring value across its portfolio.
The company's foundation began in 1963 when Ted Carlsen acquired Spantek Expanded Metal, driven by an insight into revitalizing manufacturing through diligent management. His son, David Carlsen, continued to expand and shape UMI as the second-generation owner from 1997. Today, cousins Sam Carlsen, with expertise in operations, and Wes Lilja, bringing an investment banking background, lead the company, perpetuating its multi-generational family ownership and vision.
UMI serves a broad range of industries requiring precision-manufactured parts. The company's long-term vision is to be a steward of American manufacturing, fostering responsible growth and cultivating a robust family of businesses designed to thrive across generations. It aims to ensure a strong domestic production capacity for the future.
UMI has 1 tracked investment across 1 company. The latest tracked deal is $40.0M Series B in Scimplifi in November 2025.
| Date | Company | Round | Lead Investor(s) | Co-Investor(s) |
|---|---|---|---|---|
| Nov 12, 2025 | Scimplifi | $40.0M Series B | Rachit Parekh | 3one4 Capital, Omnivore |