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Mainline is a leading engineering solutions provider operating in Ireland, the UK and Scandanavia. We provide a wide range of services from the design and build of substations, to construction of Airside Aviation Infrastructure, to Turn-key Wind and Solar Energy solutions. At Mainline we deliver projects that matter, positively impacting clients and communities around the world through our energy and engineering solutions. Our culture is a critical component of our ability to develop long-lasting, value-focused client partnerships, which deliver without compromise on safety, quality, and service. Our values and behaviours underpin everything we do and our culture motivates us to do our best work, deliver exceptional results, and achieve our purpose – we care. Mainline offers service solutions in the following areas: • Windfarms • Airfield Installations • Substations • Turbine Installation & Maintenance Works • HV Cable Installation • Solar PV • Testing & Commissioning • Electrical Design • Water Metering • Water Network build & maintenance • Telecoms Network build & maintenance • Field Installation Services • Field Support Services • All associated Civil Works For further information please visit www.mainline.ie

Mainline Questions

The Mainline annual revenue was $12.9 million in 2026.

Jill Reilly is the Managing Director of Mainline.

48 people are employed at Mainline.

Top Mainline Employees

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