Alan Kenneth Mackenzie

Ennstone Concrete Products Ltd. constructs residential housing properties. The company is headquartered in Birmingham, the United Kingdom.

Sherburn Minerals Ltd. manufactures and distributes building materials. The firm's products and services include sands, concrete, cement, haulage, agriculture, asphalt and aggregates. The company is headquartered in Sherburn Hill, the United Kingdom.

BEAR Scotland Ltd. is a leading road maintenance and management firm founded in 2000. The joint venture company is based in Perth, UK and manages the trunk road unit spanning 506km through some of the busiest sections of the country, from central Scotland to through the Scottish borders. It includes routes such as the bypass, as well as a large section of the M8 connecting Edinburgh to Glasgow. The British company has major works planned on the M8 junction 3 slip road and a major refurbishment of the bridge that carries the eastbound slip road off the M8 at junction 3 near over the A899 is planned to start early in 2023 for six months. The company also manages the Rest and Be Thankful trunk road operation following significant events.

Sherburn Stone Co. Ltd. manufactures and distributes building materials. Its products include aggregates, sands, concrete, cement and haulage. The company was founded in 1967 and is headquartered in Sherburn Hill, the United Kingdom.

Part of Breedon Group Plc, Breedon Group Services Ltd. provides employee services. The company is based in Breedon On The Hill, UK. The British company was founded in 1992.

Mineral Products Association Ltd. is a trade association for the aggregates, asphalt, cement, concrete, dimension stone, lime, mortar, and industrial sand industries. The private company is based in London, UK, and has subsidiaries in the United Kingdom. The British company's website provides information on the industry overview, essential materials, extracting minerals, sustainable solutions, quarries and nature, careers, and partnerships. The company was founded in 2009, and Jon Prichard has been the CEO of the company since 2022.

The Asphalt Industry Alliance commissions an annual survey of local authority highway departments in the UK and Wales to provide insight into the funding and conditions of roads. Asphalt is the primary surfacing material for over 95% of all UK roads, footpaths, playgrounds, cycle ways, and car parks. The private company is based in Bristol, UK. The alliance is a partnership between the Mineral Products Association and Eurobitume UK, representing suppliers of raw materials used to produce asphalt, as well as asphalt producers and laying contractors.