Andrew David Muir

Hills Ltd. operates as an investment holding company, which engages in the manufacturing and distribution of electronics, home hardware, building, and industrial products through its subsidiaries. It operates through the following segments: Hills Health Solutions, Hills Distribution, and Corporate. The Hills Health Solutions segment comprises the design, supply and installation of health technology solutions, nurse call and patient engagement and other related solutions including security, Wi-Fi and telephony into the health and aged care sectors. The Hills Distribution segment provides a diverse range of products and solutions to assist customers support end users within the antenna, audio visual, satellite, security, surveillance and IT markets. The Corporate segment includes group costs not allocated to health or distribution. The company was founded by Lance Hill in 1945 and is headquartered in Lidcombe, Australia.

E&A Ltd. engages in the provision of financial and engineering services. It operates through the following segments: Heavy Mechanical and Electrical Engineering; Water and Fluid Solutions; Maintenance Engineering and Plant Construction; and Investment and Corporate Advisory. The Heavy Mechanical and Electrical Engineering segment includes electrical engineering consultancy and project management including the design of electrical control systems for heavy industry, manufacturing and commercial installations. The Water and Fluid Solutions segment provides drainage systems and supplies geomembrane liners and floating covers for dams, reservoirs, tunnels, and landfills. The Maintenance Engineering and Plant Construction segment provides repair and maintenance services to heavy industrial, mining and power generation industries. The Investment and Corporate Advisory segment offers consultancy services related to business transactions. The company was founded in July 1999 and is headquartered in Adelaide, Australia.

Tower Transit Ltd. provides local and suburban passenger land transportation services. The company is headquartered in London, the United Kingdom.

Kelsian UK Ltd. is an investment holding private company founded in 2013. The company is based in London, UK and has subsidiaries in United Kingdom and France.

Ahrens Group Pty Ltd. provides construction, mining, and engineering services. It services include project and construction management, steel fabrication and erection, electrical works, lifecycle asset management, structural and piping, and mining maintenance and shut down. The company was founded by Johann Karl Wilhelm Ahrens on April 5, 1906 and is headquartered in Kingsford, Australia.