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


3 March 2016
Ulster University Employability Event

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29 April 2016
Solar PV Installation

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5 February 2016
Pattersons Outdoor Cleaning Solutions Ltd have been awarded the Gold Standard ..

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3 March 2016
Woodlands Park – 3G Playing Pitch & Pavilion

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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.