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View LDT Contractors's top competitors like Balfour Beatty plc, Buro Happold, and Gilbane Building Company.

Gilbane Building Company
Gilbane is the trusted partner to develop, build, and manage across the built environment, helping clients realize their vision. At Gilbane Building, we deliver complex buildings and infrastructure that perform from day one. We partner with owners to turn vision into reality across campuses, hospitals, workplaces, and communities where people live and work every day. That confidence comes from how we work. Our teams bring deep technical expertise, rigorous planning, and hands-on collaboration to every phase of the project, from preconstruction through closeout. You get the full strength of Gilbane, aligned to your goals and accountable for results. We lead with uncompromising standards for health and safety, quality, and performance, and we stay transparent about cost, schedule, and risk. That clarity allows you to make informed decisions and move forward with confidence. Family-owned since 1870, Gilbane brings long-term perspective, disciplined decision-making, and a culture grounded in people, integrity, and accountability. We combine global experience and national scale with a deep local presence to strengthen communities. That is how we earn trust, deliver excellence, and boldly shape the world.
Providence, Rhode Island, US
Private
$7.3B Revenue
http://www.gilbaneco.com
4.4K Employees
Kier Group
Our purpose is to sustainably deliver infrastructure which is vital to the UK. As a leading provider of infrastructure services, construction and property developments, we are committed to delivering for communities and leaving lasting legacies through our work. We are committed to attracting, retaining and progressing talent within Kier, with a diverse, and resilient workforce that reflects the communities we serve. Follow the pages below to find out even more about what we do and the talented people we have within Kier and our supply chains who are helping us to meet our purpose. Kier Construction: https://www.linkedin.com/showcase/kier-construction Kier Transportation: https://www.linkedin.com/showcase/kier-transportation Kier Natural Resources, Nuclear & Networks: https://www.linkedin.com/showcase/kier-natural-resources-nuclear-networks Kier Property: https://www.linkedin.com/showcase/kier-property Kier Places: https://www.linkedin.com/showcase/kierplaces www.kier.co.uk
GB
Public
$4.9B Revenue
http://www.kier.co.uk
11.4K Employees
KIE Ticker
Laing O'Rourke
Laing O’Rourke is a global engineering and manufacturing-led construction leader, delivering state-of-the-art infrastructure and buildings projects in the UK, Australia and the Middle East. Driven by our purpose - to push the boundaries of what’s possible, in service of humanity - we create safer hospitals, cleaner water, secure Defence facilities, and better-connected cities. We also build meaningful careers and inclusive workplaces where people thrive. We have a strong culture which stems from our family ownership and a passion to deliver projects that improve the lives of the communities they serve. Across our global business, our unique operating model combines cutting-edge technology with modern methods of construction to deliver certainty for clients and transform how infrastructure is engineered and built. #powerofexperience #laingorourke #modernmethodsofconstruction
Stone Ward, GB
Private
$5.2B Revenue
http://www.laingorourke.com
9.1K Employees
G2 Leader Summer 2026 G2 Best Est ROI Mid-Market Summer 2026 G2 Easiest Admin Mid-Market Summer 2026 G2 Most Implementable Summer 2026 G2 Best Results Mid-Market Summer 2026 G2 Lead Capture Mid-Market Summer 2026 Inc Fastest Growing Private Companies 2026 Inc Best Workplace 2026
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