Meet the Windemuller Team!
A Family Owned Business Since 1954

Nancy Windemuller-Sedlar
President / Owner
Windemuller Technical Services
John Sedlar
Vice President / Owner
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Jurand Gronkowski
Service Manager / Master Electrician
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John "JB" Barber
Vice President / Lightning Division
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David Rojas
Assistant Service Manager
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Joe Finn
Senior Industrial Estimator
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Jack Thomas
Infrared Thermographer
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Dwayne Otway
Fuel Management Systems
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Donnie Evans
Industrial Project Manager
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Tim Francis
Warehouse Manager
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Tiffany Sedlar-Carter
Client Services
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Marissa Shapiro
Client Services
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Eileen Kudenholdt
Accounting assistant
Windemuller Technical Services