- AMS Haden Instrumentation and mining services.
- Berlin Safety Foorwear National distributors of safety and industrial footwear.
- Brake Craft A specialist manufacturer of fully enclosed, fail to safety braking systems for underground mining vehicles. Our product offering is targeted at TOYOTA and NISSAN One Ton bakkies, being the most widely used vehicles in the South African mining industry.
- Bramhope A specialist importer/wholesaler of certified safety, leisure and sports products that trades via distributors.
- Clon-Pneu-Flate Transporter An inflatable conveyance device that will creep up a vertical passage way or tunnel.
- Colliery Dust Control CDC develops and supplies integrated dust suppression systems for the improvement of working and safety conditions in underground collieries.
- Decom Technical Services cc Manufacturing and designing of electronic devices.
- DNS Electronics CC Earth leakage detectors
- Duraset Mining Products Provides engineered support & track solutions to underground mining industries. Duraset operates within Grinaker-Pty Ltd.
- ECAM All products at that stage were focused on the mining industry and pertaining to shaft communication and control.
- Elgin Flameproofing Manufacture of flameproof components and kits for diesel engines.
- Envirocon Instrumentation Occupational health and hygiene instrumentation
- Industrial and Mining Valuations Valuers, project cost estimators and surveyors, specialising in plant, machinery, structural steelwork, land, buildings and other improvements.
- Industrial Valve & Engineering Supplies Specialists in industrial valves and mining suppilers.