The De Simone group of companies in formed by the following five companies:

• De Simone Ltd - Civil Construction and Bulk Concrete Works
• De Simone Mining Services - Contract Mining and Ore Haulage
• De Simone (BF) - Civil Construction, Bulk Concrete and Plant Hire based in Burkina Faso
• Monterosa Constructions Ltd. - Civil Construction Company based in Nigeria
• Eastern Quarries Ltd - Supply of Stone Chippings and Pre-formed Concrete Structures
• Monolo Plant Ltd - Supply of Premix Concrete and Plant Hire