Costain Group

Simulation Systems Limited, established in 1979 and headquartered in Bristol, United Kingdom, specializes in designing, prototyping, and manufacturing electronic systems tailored for various industrial and commercial applications, particularly in the highways sector. The company offers a diverse range of products, including traffic control and signaling systems, tactile devices for pedestrian crossings, and advanced video surveillance equipment such as CCTV systems, image enhancement technology, and video content analysis tools. Its solutions extend to vehicle detection systems, message signs, and tunnel monitoring equipment, ensuring comprehensive traffic management and safety. With a workforce of 165, Simulation Systems is committed to delivering innovative technology-based solutions that address the evolving needs of traffic management and monitoring.

Rhead Group, founded in 1985 and employing over 550 professionals, specializes in consulting services for the lifecycle of infrastructure, construction, and asset management programs, primarily in the UK. The company offers a comprehensive range of services including project management, commercial management, environmental and feasibility studies, as well as planning and project control. Rhead Group serves a diverse portfolio of blue-chip clients, such as National Grid, Wales & West Utilities, and BAE Systems. The senior management team, led by CEO Nigel Curry, will continue to guide the company's operations.

EPC Offshore is a specialist oil & gas project management services company. EPC Offshore is a field development and project management specialist providing client-side services to North Sea oil and gas companies. The company is differentiated by its program management expertise and the highly effective application of proprietary in-house systems and processes.

Promanex is an industrial support services firm that specializes in providing total facilities management and engineering support. The company serves a range of sectors, including power generation, petrochemicals, and general industry. Promanex offers outsourced facilities management, as well as installation, repair, and maintenance services, ensuring that industrial operations run smoothly and efficiently. Through its comprehensive service offerings, Promanex addresses the diverse needs of its clients by delivering tailored solutions that enhance productivity and operational effectiveness.

ClerkMaxwell is an independent provider of engineering consultancy services, specializing in multi-discipline engineering, project management, and asset support services. The company primarily serves the oil and gas sectors, delivering tailored solutions that enhance operational efficiency and project execution. By leveraging its expertise across various engineering disciplines, ClerkMaxwell aims to support clients in navigating complex challenges within their industries.

ClerkMaxwell Limited provides project management, engineering, and support services to the upstream oil and gas market.