| # | Company name | Role | # of projects |
|---|---|---|---|
| 181 | Stats Ltd. | Geotechnical engineering | 1 |
| 182 | Steinfeld und Partner | Geotechnical engineering | 2 |
| 183 | Stroyizyskaniya, OAO | Geotechnical engineering | 1 |
| 184 | STS | Geotechnical engineering | 75 |
| 185 | STS Consultants, Ltd. | Geotechnical engineering | 4 |
| 186 | Subterranean Engineering Inc. | Geotechnical engineering | 1 |
| 187 | Surrey Geotechnical Consultants | Geotechnical engineering | 0 |
| 188 | Swissboring Overseas Corporation Ltd. | Geotechnical engineering | 32 |
| 189 | Swissboring Overseas Corporation Ltd. | Geotechnical engineering | 2 |
| 190 | Systems Geotechnique Ltd. | Geotechnical engineering | 0 |
| 191 | TBH and Associates | Geotechnical engineering | 1 |
| 192 | Technische Universität Darmstadt Institut und Versuchsanstalt für Geotechnik | Geotechnical engineering | 1 |
| 193 | Terracon | Geotechnical engineering | 4 |
| 194 | Terracon | Geotechnical engineering | 1 |
| 195 | Terracon | Geotechnical engineering | 4 |
| 196 | Terracon | Geotechnical engineering | 1 |
| 197 | Terracon | Geotechnical engineering | 1 |
| 198 | Terracon | Geotechnical engineering | 4 |
| 199 | Terracon | Geotechnical engineering | 1 |
| 200 | Terracon | Geotechnical engineering | 1 |