Chief Executive Officer
Diane Temme Stinton assumed the role of Chief Administrative Officer at TMCO in 2015, before succeeding founder Roland Temme as CEO in 2020. Under Diane’s guidance, TMCO was honored as Nebraska’s “Manufacturer of the Year” by the Nebraska Chamber of Commerce and Industry, a testament to her strategic vision and dedication to industry advocacy. Diane’s leadership has brought about numerous employee well-being initiatives, further supporting TMCO families. As TMCO expands its horizons, Diane remains committed to positioning the company for continued success and growth.
Discover how engineers can improve manufacturability in custom metal fabricating through smarter design, material selection, tolerances, and welding planning with TMCO’s collaborative manufacturing expertise.
A modern custom industrial equipment manufacturing process reduces startup risk and improves long-term performance. Learn how TMCO’s integrated engineering, automation, testing, and commissioning approach supports scalable and reliable production systems for manufacturers.
A full-service metal parts manufacturer helps OEMs streamline production, improve quality control, reduce supply chain risk, and accelerate delivery by consolidating engineering, fabrication, machining, finishing, and inspection under one integrated manufacturing partner.
Learn how modern machine shop upgrades improve high precision CNC machining accuracy through automation, inspection systems, thermal compensation, and data-driven process optimization. TMCO explains what real precision looks like in 2026.
Sheet metal prototype fabrication accelerates product development by validating designs early and supporting faster production readiness. Learn how TMCO’s integrated fabrication approach helps reduce risk and shorten development timelines.
An integrated OEM supply chain strategy helps reduce risk and shorten lead times. Learn how consolidating manufacturing processes improves visibility, quality, and production speed with TMCO’s full-service approach.
Sheet metal prototype fabrication plays a critical role in design validation and production readiness. Learn how prototypes help refine designs, reduce risk, and enable efficient scaling with TMCO’s integrated manufacturing approach.
A strong OEM supply chain strategy reduces risk and supports scalable growth. Learn how integrated manufacturing partnerships help OEMs improve reliability, quality, and production efficiency with TMCO’s full-service approach.
Certifications play a critical role in custom industrial equipment manufacturing. Learn why ISO, CE, and OSHA standards matter and how they ensure safety, quality, and regulatory compliance throughout the manufacturing process.
Explore real projects completed by custom metal fabricators and learn how engineering support, technology, and quality processes contribute to successful results. See how TMCO delivers precision and reliability across diverse applications.