Ryan John Glynn Williams

Lagan Cement Group Ltd. provides quarrying and building materials. It also offers house building, contracting, and civil engineering services. The company was founded by Peter Lagan in 1960 and is headquartered in Belfast, the United Kingdom.

Lagan Construction Ltd. provides civil engineering and building solutions. It offers services like construction of roads, airports, defense and marine power. The company was founded in 2006 and is headquartered in Belfast, the United Kingdom.

Belfast International Airport Ltd. provides air fleet services. It offers customers visiting and sight seeing traveling services in major tourist destinations in Belfast. The company was founded on July 20, 1994 and is headquartered in Belfast, the United Kingdom.

Amey Roads NI Ltd. finances, designs, constructs, operates and maintains roads. It manages and maintains highways network in England and Scotland. The firm also offers other transportation support activities. The company was founded in 2007 and is headquartered in Belfast, the United Kingdom.

Part of Lagan Construction Group Holdings Ltd., Lagan Construction Group Ltd. is a holding British company that oversees subsidiaries involved in the construction of roads and civil engineering projects. The company is based in Belfast, UK and was founded in 2011.

Founded in 2011, Lagan Building Contractors Ltd. is a subsidiary of Lagan Construction Group Holdings Ltd. that provides building construction contracting services. The company is based in Belfast, UK.

Part of Lagan Specialist Contracting Group Holdings Ltd., Lagan Operations & Maintenance Holdings Ltd. operates as a holding British company with interest in operating and maintenance of roads, highways and buildings. The company is based in Belfast, UK. Lagan Operations & Maintenance Holdings was founded in 2013.

Part of Lagan Developments Holdings Ltd., Lagan (Alsager) Ltd. constructs commercial buildings. The company is based in Belfast, UK. Founded in 2006.

Part of Lagan Construction Group Holdings Ltd., H & J Martin Construction Ltd. is a British company that provides civil engineering, building, pilling, plant hire, infrastructure investment facilities management, and maintenance services. The company is based in Belfast, UK. Founded in 1987.

Lagan Construction Group Holdings Ltd. operates as an investment holding company which provides owned construction and asset management solutions. The company was founded in July 3, 2009 and is headquartered in Belfast, the United Kingdom.

Project Plug Ltd. is a British company that trades electricity. The private company is based in Derry, UK. The company was founded in 2014. Andy Porter has been the CEO of the company since 2015.