WZ Satu Berhad is an investment holding company engaged in the provision of management services to its subsidiaries. The Company's segments include Civil engineering and construction, Oil and gas, Mining, Manufacturing, Trading, Investment and Others. Its civil engineering and construction segment is engaged in securing and carrying out construction contracts. Its oil and gas segment is engaged in the business of fabrication and assembly, and testing works, trading and after service of products for oil and gas industries. Its mining segment is engaged in mining operations and activities. Its manufacturing segment is engaged in manufacturing of steel products. Its trading segment is engaged in trading of steel products. Its investment segment is engaged in investment holding. The Others segments consists of mineral resources business and power generation business. The Company's operating units include WZS KenKeong Sdn Bhd, Misi Setia Oil and Gas Sdn Bhd, and WZS Industries Sdn Bhd.