Tunnelbuilder Competitors

Sika is a specialty chemicals company with a globally leading position in the development and production of systems and products for bonding, sealing, damping, reinforcing, and protection in the building sector and industrial manufacturing. Sika has subsidiaries in 102 countries around the world and, in over 400 factories, produces innovative technologies for customers worldwide. In doing so, it plays a crucial role in enabling the transformation of the construction and transportation sector toward greater environmental compatibility. With more than 34,000 employees, the company generated sales of CHF 11.76 billion in 2024. On Sika's LinkedIn page we share our most important corporate news and job openings, as well as a broad mix of content from our Sika subsidiaries around the world. Your Career at Sika: https://www.sika.com/en/career.html Privacy Notice: https://www.sika.com/en/footer/privacy-notice.html

Every day, people around the world live, work and play on ground prepared by Keller, the world's largest geotechnical specialist contractor. Used alone or in combination, our techniques solve a wide range of challenges across the entire construction sector – from industrial, commercial and housing projects to infrastructure construction for dams, tunnels, transportation and water treatment, as well as projects to address environmental challenges. Global strength and local focus are what makes us unique. Our knowledge of local markets and ground conditions means we’re ideally placed to understand and respond to a particular local engineering challenge. Our global knowledge base then allows us to tap into a wealth of experience, and the brightest minds in the industry, to find the optimum solution. With around 10,000 employees and operations across five continents, we have the people, expertise, experience and financial stability to respond quickly, get the job done and see it through safely. By connecting global resources and local knowledge, we can tackle some of the largest and most demanding projects around the world but the everyday work we do is just as important and, in total, we tackle an unrivalled 6,000 projects every year.

VINCI is a world leader in concessions, energy and construction, employing 280.000 people in more than 120 countries. We design, finance, build and operate infrastructure and facilities that help improve daily life and mobility for all. Because we believe in all-round performance, above and beyond economic results, we are committed to operating in an environmentally and socially responsible manner. You can be part of projects that bring lasting change to urban ecosystems and entire regions. Join the team!