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Business record

DAY & ZIMMERMANN NPS, INC.

HVAC · LANCASTER, PA

UnverifiedWe don't have enough data to verify ownership yet.

Ownership

Robert J Fitzsimmons / Vice President

Scott L Fast / Secretary

M Preston Hawkins / Treasurer

Tommy Jason Dunaway / President

Sherry G Martin / Vice President

Nancy K Boatwright / Treasurer

Walter M Sanders IV / President

Anthony J Calabrese / Treasurer

Gary McKinney / President

Jason Dunaway / President

Michael Landis / Secretary

Where this record comes from

Source: A currently-active licensed contractor in its state's registry (electrical, plumbing, HVAC, landscaping). A held license is a strong independence signal — chains and rollups license under one corporate entity.

Independence: We don't have enough data to verify ownership yet.

Last checked: July 13, 2026

How we decide what's independent

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