Sarah Catherine Llewellyn

Celtic Energy Ltd. provides anthracite fuels and mining activities. The company offers variants & mixtures of products aimed for various industrial applications such as cement works, carbon processes and power stations. Its services include resource allocation, operation, and restoration. Celtic Energy was founded in 1994 and is located in Cardiff, UK.

Llanmoor Development Co. Ltd. develops residential properties. It provides new homes in the South Wales Area. The company was founded by Brian Grey in 1966 and is headquartered in Pontyclun, the United Kingdom.

Surrey Place Centre provides specialized clinical services that are responsive to individual need and promote health and well-being in the Toronto region. The company was founded in 1962 and is headquartered in Toronto, Canada.

Celtic Mining Group Ltd. operates surface coal mining sites and a coal washery. The company was founded by Richard Walters on April 23, 2004 and is headquartered in Caerphilly, the United Kingdom.

Part of The Walters Group (United Kingdom), Pennant Walters (Pant Y Wal) Ltd. is a British company that produces electricity. The company is based in Aberdare, UK. Pennant Walters (Pant Y Wal was founded in 2005.

Pennant Walters (Maesgwyn) Ltd. provides wind farm services. It also provides clean energy to the homes. The company was founded on November 23, 2005 and is headquartered in Aberdare, the United Kingdom.

Part of Pennant Walters (PYWX) Holdings Ltd., Pennant Walters (PYWX) Ltd. generates electricity. The company is based in Aberdare, UK. Founded in 2012.

Part of G. Walters (Holdings) Ltd., Walters Resources Ltd. is a civil engineering, plant, and development company based in Aberdare, UK. Walters Resources is known for its practical, considered approach to planning and delivery, with a focus on value engineering innovations. The British company's projects include highways and transportation, energy, and development. Founded in 1985, the company provides compliance-led, self-delivery based services across various sectors.

Pennant Walters (Pant Y Wal) Holdings Ltd. is a British company that generates and distributes wind electric power. The private company is based in Aberdare, UK. The company was founded in 2011.

Land Matters Ltd. is a British company that provides professional, scientific, and technical services. The private company is based in Vale of Glamorgan, UK. The company was founded in 2019.

Part of G. Walters (Consultancy) Ltd., All Terrain Tyres Ltd. is a British company that wholesales mining, construction and civil engineering machinery. The company is based in Pontypridd, UK. All Terrain Tyres was founded in 2004.

Lloyd Walters Industrial Services Ltd. is a British company that provides facilities support services. The joint venture company is based in Aberdare, UK. The company was founded in 2017.

Founded in 1994, Avalon Glen is a holding British company that provides open cast coal mining services. Part of Celtic Mining Operations Group Ltd., the company is based in Cardiff, UK.

Part of Pennant Walters (Hirwaun) Holdings Ltd., Pennant Walters (Hirwaun) Ltd. is a compliance-led, self-delivery based service provider that offers civil engineering, plant, and development services. The company is based in Aberdare, UK. The British company focuses on planning correctly from the outset to deliver right the first time. The company operates and maintains the largest independently owned plant fleet in the UK, supported by their own dedicated operators and maintenance facilities. Founded in 1982, the company has a reputation for being practical and considered in everything they do.