DON GRUENBERG

Corporate Board Profile

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Perma-Pipe International Holdings, Inc.

Filing Date Source Excerpt
2001-06-01 Don Gruenberg has been employed by the Company and its predecessors in various executive capacities since 1974, with the exception of a period in 1979 -1980. He has been general manager of Thermal Care, Inc. or its predecessor since 1980, and was named President and Chief Operating Officer of Thermal Care in 1988.
2002-05-30 Don Gruenberg has been employed by the Company and its predecessors in various executive capacities since 1974, with the exception of a period in 1979 -1980. He has been general manager of Thermal Care, Inc. or its predecessor since 1980, and was named President and Chief Operating Officer of Thermal Care in 1988.

Data sourced from SEC filings. Last updated: 2025-10-11