| # | Company name | Role | # of projects |
|---|---|---|---|
| 21 | Borland Nusantara Corporation | Geotechnical engineering | 1 |
| 22 | Braun Intertec | Geotechnical engineering | 30 |
| 23 | BSK Associates | Geotechnical engineering | 1 |
| 24 | Byer Geotechnical | Geotechnical engineering | 2 |
| 25 | Caio Graco Wanderley Júnior | Geotechnical engineering | 2 |
| 26 | CDM Consult GmbH | Geotechnical engineering | 1 |
| 27 | CDM Consult GmbH | Geotechnical engineering | 1 |
| 28 | CDM Consult GmbH | Geotechnical engineering | 58 |
| 29 | CDM Consult GmbH | Geotechnical engineering | 0 |
| 30 | CDM Consult GmbH | Geotechnical engineering | 0 |
| 31 | CDM Consult GmbH | Geotechnical engineering | 0 |
| 32 | CDM Consult GmbH | Geotechnical engineering | 0 |
| 33 | CDM Consult GmbH | Geotechnical engineering | 0 |
| 34 | CDM Consult GmbH | Geotechnical engineering | 0 |
| 35 | CDM Consult GmbH | Geotechnical engineering | 0 |
| 36 | CDM Consult GmbH | Geotechnical engineering | 0 |
| 37 | CDM Consult GmbH | Geotechnical engineering | 0 |
| 38 | CDM Consult GmbH | Geotechnical engineering | 0 |
| 39 | CDM Consult GmbH | Geotechnical engineering | 0 |
| 40 | CDM Consult GmbH | Geotechnical engineering | 0 |