Mussa Nakhla

Colas Ltd. operates as a civil engineering firm that specializes in road construction and rail trail construction. It offers traffic management, specialist processes and surface treatments, marine construction, and mechanical services. The firm also offers overbanding, anti skid, sealants, and waterproofing. The company was founded in 1922 and is headquartered in Warley, the United Kingdom.

Colas (Gabon) UK Ltd. is a sustainable solutions provider for transport infrastructure projects. The joint venture company is based in Crawley, UK. The British company is part of the International Colas Group, which provides access to innovative new products, processes, and ideas through world-class Research and Development facilities. Colas specializes in traffic management, highway maintenance, airport runway construction, and public sector construction. Founded in 2017, the company invests, designs, constructs, maintains, and operates a wide variety of projects for public and private sector clients.

Part of Colas SA, Ensign Highways Ltd. is a British company that engages in the construction of roads and motorways. The company is based in Crawley, UK. Ensign Highways was founded in 2004.

Allied Infrastructure Management Ltd. offer a range of specialist approved products for concrete and asphalt infrastructure maintenance. It offers solutions for concrete infrastructure, asphalt infrastructure, diamond drilling, ironwork reinstatements, and cracks and falling joints. The company was founded in 1995 and is headquartered in Leigh, the United Kingdom.

Colas SIAC Ltd. is a British company that constructs roads and motorways. The joint venture company is based in Crawley, UK. The company was founded in 2017.