| ARQ | ARQ Geotech (Pty) Ltd | - | 0 | 1 | 1 | |
| BEI | B & E International | - | 0 | 1 | 1 | |
| BGC | Bear Geo Consultants | - | 0 | 1 | 1 | |
| BVI | BVI Group | - | 0 | 1 | 1 | |
| CSR | CSIR | - | 0 | 1 | 1 | |
| DMO | Demo | - | 3 | 6 | 11 | |
| DUP | Duplicate / Correlation Testing | - | 0 | 1 | 1 | |
| EPO | Epoch Resources (Pty) Ltd | - | 0 | 1 | 1 | |
| IRC | Inroads Consulting | - | 0 | 1 | 1 | |
| ITC | Intraconsult | - | 0 | 1 | 1 | |
| J&W | Jones & Wagener | - | 0 | 1 | 1 | |
| K&T | Kantey & Templer | - | 0 | 1 | 1 | |
| KNP | Knight Piésold | - | 0 | 1 | 1 | |
| LAB | Labco | - | 0 | 1 | 1 | |
| LBW | Labworx | - | 0 | 1 | 1 | |
| LET | Letaba Lab (Pty) Ltd | - | 0 | 1 | 1 | |
| MGC | Mabu Geotechnical Consultancy | - | 0 | 1 | 1 | |
| OLS | Omamanya Laboratory Services | - | 0 | 1 | 1 | |
| PGG | PeraGage | - | 0 | 1 | 1 | |
| PVT | Private Client | - | 0 | 1 | 1 | |
| JLR | Prof JL Van Rooy | - | 0 | 1 | 1 | |
| RMS | Relly Milner & Shedden | - | 0 | 1 | 1 | |
| RGS | Rockland Geoscience | - | 0 | 1 | 1 | |
| RST | Rooiberg Stone | - | 0 | 1 | 1 | |
| SGS | SGS Matrolab | - | 0 | 1 | 1 | |
| SIG | Sigmalab | - | 0 | 1 | 1 | |
| SIM | Simlab | - | 0 | 1 | 1 | |
| SNA | SNA Civil & Structural Engineers (Pty) Ltd | - | 0 | 1 | 1 | |
| STN | Soil Tecnix Civil & Geotechnical Laboratory | - | 0 | 1 | 1 | |
| SRK | SRK Consulting | - | 0 | 1 | 1 | |
| VGL | VGLS | - | 0 | 1 | 1 | |
| VEA | Vibro Eco Aggregates | - | 0 | 1 | 1 | |
| WHC | WHCES Civil Engineering Services (Pty) Ltd | - | 0 | 1 | 1 | |
| WLT | Wiltrade 32 | - | 0 | 1 | 1 | |