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A California based company on a mission to grow the wealth of everyday Americans. Zolidar is the easy button for employee ownership.

May 2026

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A California based company on a mission to grow the wealth of everyday Americans. Zolidar is the easy button for employee ownership.

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May 2026

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Donald A. Campbell & Company | The Grid by Zolidar

Donald A. Campbell & Company

Chicago, IL, USA

Last updated at 2024-10-01

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Location: Chicago, IL, USA
Ownership type: Employee Stock Ownership Plan (ESOP)
NAICS code & title: 541990 | All Other Professional, Scientific, and Technical Services

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Chicago, IL, USA

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Tracy E. Till
Former CEO Independent Board Director

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