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Featured
Trefz annual Toys for Tots drive was a success!
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Great article about the PSU Great Valley Knowledge Commons
https://news.psu.edu/story/549898/2018/11/30/campus-life/great-valley-completes-19-million-renovation-open-knowledge
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Construction nears completion at PSU Great Valley Knowledge Commons
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Have a safe and happy Thanksgiving from all of us at Trefz Engineering!
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Trefz says goodbye to Kris Hawk after 16 years. We will miss you Kris!
Missing from the picture are John Trefz, James Trefz, and Mark Conway.
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Trefz Welcomes 4 new members of the team
Frank Wilson Joins our staff as a CADD and Revit Designer Ron Lavan Joins our staff as an Electrical Engineer Tom McKibbin Joins our staff as a Mechanical Engineer Sherry Liu Joins our staff as a Mechanical Engineer
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