John O'Callaghan Ltd 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

Irish Cement are the leading supplier of cement in Ireland where we have been serving our customers’ needs for over seventy five years. We have two production facilities; at Castlemungret, Co. Limerick and Platin, Co. Meath, where our head office is also located. Since commencing operations at Drogheda and Limerick in 1938, the company has continually invested in enhancing the quality and capacity of production to meet the demand of home and export markets. Irish Cement Ltd is part of the CRH Group, one of the world’s leading building materials companies which is headquartered in Dublin.

Tarmac, a CRH company, is the UK’s leading sustainable building materials and construction solutions business. Tarmac combines the knowledge andexpertiseof two of the construction industry’s most iconic brands: Tarmac, the pioneers of the modernasphaltroad120 years ago,and Blue Circle, the company that patented Portland Cement. Our innovative products and solutions not only safely deliver the infrastructure needed to grow the UK economy today but also help to create a more sustainable built environment for the country’s long-term future.Tarmac hasan ambitious targetto reduce CO₂emissions by 30% by 2030 and reach net zero before 2050. We havecontributed to some of the UK’s biggest constructionand infrastructureprojects. TheseincludeHS2,The Sainsbury Laboratory, Wembley Stadium, Heathrow Terminal 5, Blackpool Sea Defences, TheShardand London 2012. Tarmacdirectly employs around5,500 people across a nationwide network of over350 sites. Our solutions span aggregates, asphalt, cement, readymixconcrete, offsite manufacture, road contracting, highways maintenance and infrastructure services, building products and recycling services. This unique combination of people, technology and assets enables us to offer customers unrivalled choice,innovationand flexibility. For more information, visit:www.tarmac.com Active hours: Monday - Friday, 09:00-17:00, working days.