HarbisonWalker International internships
1 open internship
Glass, Ceramics and Concrete Manufacturing · 1001-5000 employees · Pittsburgh, Pennsylvania, United States · thinkhwi.com
HWI is the largest supplier of refractory products and services in the United States, with a history that spans more than 150 years. It is part of Calderys and is the brand for the Americas region of the Group. HWI counts numerous manufacturing sites and strategically placed distribution centers in the Americas, as well as the largest refractory industry research facility in North America.
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Open internships
Past internships at HarbisonWalker International
- Payroll Project InternOpened April 2026 · Closed June 2026