Martin Gisbourne

OPTEK Technology, Inc. manufactures and supplies optoelectronic products for sensing, illumination, and indication applications. It provides engineered and application specific optoelectronic sensors, encoders, and medical diagnostic equipment. The company was founded in 1979 and is headquartered in Carrollton, TX.

Network Rail Infrastructure Ltd. engages in the business of owning, operating, and developing railway infrastructure. The company was founded on February 28, 1994 and is headquartered in London, the United Kingdom.

The Chartered Governance Institute provides governance and compliance services. The company was incorporated by Royal Charter in 1891 and is headquartered in London, the United Kingdom.

Forterra Building Products Ltd. engages in the manufacturing of concrete and clay building products. Its primary products include concrete gravity pipe, concrete and steel pressure pipe, precast concrete drainage products, clay bricks and concrete blocks. The company was founded in 2014 and is headquartered in Northampton, the United Kingdom.

AMP Investment Services Pty Ltd. provides accounting and finance services. The company was founded on March 21, 1994 and is headquartered in Sydney, Australia.

Stockland Corp. Ltd. engages in the development and investment in retail and commercial property. It invests in shopping centers, commercial office buildings, office parks, industrial warehouses, distribution centers, residential communities, and apartments. The company was founded by Ervin Graf in 1952 and is headquartered in Sydney, Australia.

Camelot UK Lotteries Ltd. operates and promotes the UK national lottery. It manages the national lottery infrastructure, designs new games, develops the marketing support for lottery products, provide services for players and winners, and run the network that sells tickets to players. The firm also offers lottery operational expertise that includes private management, consultancy, interactive and commercial services. The company was founded on May 27, 1993 and is headquartered in Watford, the United Kingdom.

Laing O'Rourke Plc provides engineering and construction services. It designs, engineers, constructs, manages, and invests in building and infrastructure capital assets across a range of sectors. It operates an integrated business model comprising engineering, construction, and asset management services delivering single source solutions for public and private organizations. The company was founded by Raymond G. O’Rourke and Des O'Rourke in 2001 and is headquartered in Dartford, the United Kingdom.

Tarmac Cement & Lime Ltd. manufactures cement products. The company was founded on September 21, 1960 and is headquartered in Solihull, the United Kingdom.

Pipe Holdings Plc is a holding company, which engages in holding external debt and holds investment properties. The firm’s main risks are the interest rate risk and liquidity risk. The company was founded on June 15, 2004 and is headquartered in Leeds, the United Kingdom.

Australian Institute of Co. Directors is a non-profit organization that provides leadership on director issues. It offers governance education, director development, and advocacy. The organization was founded in January 1, 1990 and is headquartered in Sydney, Australia.

Part of Spirax-Sarco Engineering Plc, Watson-Marlow Ltd. is a British company that specializes in the manufacture of pumps and other industrial fluid control equipment. The company is based in Falmouth, UK and was founded in 1990.

Part of Spirax-Sarco Engineering Plc, Chromalox (UK) Ltd. is a British company that markets and sells electrical heating and control systems. The company is based in Croydon, UK and was founded in 2001.

Part of Morgan Sindall Group plc, Community Solutions Partnership Services Ltd. is a British company that provides outsource management and construction services. The company is based in London, UK and was founded in 2003.

Part of Spirax-Sarco Engineering Plc, Spirax-Sarco Ltd. is a British company founded in 1952 that develops solutions to transform thermal energy. Based in Cheltenham, UK, the company offers a comprehensive range of steam engineering tools to help manage, plan, and design steam systems. Steam is a versatile option that can heat or sterilize almost any industrial process, making it a popular choice worldwide. The company supports sustainability by optimizing efficiency and decarbonizing processes.

Community Solutions Investment Partners Ltd. provides investment services. It invests in community based health, social and local authority services. The company was founded in 2002 and is headquartered in London, the United Kingdom.

Part of Spirax-Sarco Engineering Plc, Etirex SAS is a French company that manufactures household appliances. The company is based in Noyant-et-Aconin, France. The company was founded in 1960. Kevin James Boyd has been the CEO of the company since 2018.

The United Kingdom Committee for UNICEF Ltd. is an organization dedicated to improving the lives of children worldwide. The non-profit company is based in London, UK. The British company's mission is to build a better world for every child, and they achieve this through various means such as donations, fundraising, and campaigning. The company was founded in 1946. Jon Sparkes has been the CEO of the company since 2022.

Morgan Sindall Investments Ltd. provides investments services. Its specializes in development expertise and private capital with a portfolio of the Council’s surplus land. The company is headquartered in London, the United Kingdom.

Cornerstone Telecommunications Infrastructure Ltd. is a British mobile infrastructure services company that supports the journey from site acquisition to construction and installation. The joint venture company is based in Theale, UK. The company enables the experience of tens of millions of voice and data customers. The company was founded in 2012. Rhys Phillip has been the CEO of the company since 2018.

IQE Taiwan Corp. engages in the research, development, manufacturing, and sale of electronic components. Its products include gallium arsenide heterogeneous double carrier transistor epitaxy wafers, gallium arsenide photovoltaic epitaxy wafers, gallium nitride photovoltaic epitaxy wafers, micro-displays, compound semiconductor solar cells, as well as other related products. The company was founded on February 7, 2001 and is headquartered in Hsinchu, Taiwan.

Private Infrastructure Development Group Ltd. was founded in 2002 and is based in London, UK. The British company operates along the project life cycle and across the capital structure to create investment-ready infrastructure opportunities. The private company's purpose is to combat poverty in the poorest and most fragile countries through pioneering infrastructure to help economies grow and change people's lives. PIDG is an innovative infrastructure project developer and investor that mobilizes private investment in sustainable and inclusive infrastructure in sub-Saharan and East Africa. The company's investments promote socio-economic development within a just transition to net-zero emissions and contribute to sustainable development. The company is committed to conducting business responsibly, with honesty and integrity, and has a complaints and whistleblowing operating policy to resolve matters as quickly as possible.

Part of Spirax-Sarco Engineering Plc, Spirax-Sarco America Ltd. functions as an investment holding British company. The company is based in Cheltenham, UK and was founded in 2011.

Part of Forterra Plc, Forterra Holdings Ltd. is a holding British company that operates subsidiaries manufacturing and selling bricks. The company is based in Northampton, UK and was founded in 2016.

Compound Semiconductor Centre Ltd. is a British company that manufactures semiconductors. The joint venture company is based in Cardiff, UK and was founded in 2015.

Part of AMP Ltd., AMP Capital Funds Management Ltd. is an Australian investment company. The company is based in Sydney, Australia.

Chartered Accountants Australia & New Zealand is an association for chartered accountants that provides accounting services. The non-profit company is based in Auckland, New Zealand.