McQuillan Companies cover a diverse range of services from civil engineering and construction to quarrying and waste management.


23 October 2014
McQuillan Companies Support Action Cancer on the Pitch

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27 August 2014
Belfast Rapid Transit Phase 1 - Falls Road

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10 September 2014
McQuilllan Envirocare Ltd. Sponsor Award at Sustainable Ireland 2014

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10 August 2014
Stormont Ministers Open New Chemical Treatment Facility

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McQuillan Companies are a Northern Ireland based family run business which incorporates a diverse range of activities including civil engineering, demolition, quarrying, hazardous and non hazardous waste management, outdoor cleaning services and analytical chemistry. A fourth generation business operating for over 100 years through the parent company John McQuillan Contracts, the McQuillan Companies name is synonymous with quality and excellence throughout our various divisions.