- S & H Brokerage
- Address:p o box 233, Bromhof Johannesburg Gauteng 2194 South Africa
- Graystone BioEnergy
- Address:35 Christo Ave Olivedale GP South Africa
- Subsurface Heating
- Address:4 Hartley Street Hamilton Bloemfontein Free state 9301 South Africa
- RAD LIMITED
- Address:555 ALEN ABENUE JOHANESBURG 234 South Africa
- Gumshoe Trading (Pty) Ltd
- Address:Unit 72 Century View,Century City Cape Town WP 7441 South Africa
- Conxsure Trading (Pty) Ltd
- Address:Beyers Naude Drive Johannesburg Gauteng South Africa