
Denholm Rees & O'Donnell Ltd
For Manufacturing Business of the Year, Merseyside 2026
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Established in 1931, Denholm Rees & O'Donnell is a precision engineering manufacturer based in Aintree. The company produces specialist pump, valve and drivetrain components for demanding industrial applications. Its ISO 9001 certified operations support customers in defence, nuclear, oil and gas, fluid handling and power generation.
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