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.

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.

The PG Group is South Africa's leading integrated glass business. PG Group companies manufacture, distribute and install high-performance automotive and building glass.