Murray & Roberts is a leading engineering and contracting group of companies and focuses its expertise and capacity on delivering sustainable project engineering, procurement, construction, commissioning, operations and maintenance solutions. The Group delivers its capabilities into the resources (metals & minerals) and renewable energy sectors. Murray & Roberts is a group of world-class companies and brands aligned to the same Purpose and Vision, and guided by the same set of Values.

Winhold was incorporated in the Republic of South Africa on 29 September 1945, and operates as an investment holding company. The company is listed on the JSE Securities Exchange Africa (JSE) in the Industrial Goods and Service Sector. Winhold's main investments are: 1. 100% in Inmins Limited which operates a network of businesses in South Africa which supply mainly consumer goods to the mining and industrial supplies industries. 2. 100% in Gundle Limited which manufactures and distributes polyethelene and polypropeylene bags, sheeting and packaging to the agricultural, chemical, construction, food processing, industrial and consumer markets. 3. 50, 1% in Novara Profile Extrussions (Pty) Ltd, which manufactures and distributes pallets and other products made out of recycled polyethylene terephthalate polymer (PET) bottles. The annualised turnover of the group exceeds R994 million, and the group employs over 900 people.

ACTOM (Pty) Ltd is the largest manufacturer, solution provider, repairer and distributor of electro-mechanical equipment in Africa, offering a winning and balanced combination of manufacturing, service, repairs, maintenance, projects and distribution through its 40 outlets throughout Southern Africa. ACTOM is also a major local supplier of electrical equipment, services and balance of plant to the renewable energy projects. It also holds numerous technology, distribution and value added reseller agreements with various partners, both locally and internationally.