| # | Company name | Role | # of Projects |
|---|---|---|---|
| 1 | Argest S.A. | occupational safety and health | 0 |
| 2 | ASG Bauconsult Beratungsgesellschaft für Arbeitssicherheit und Gesundheitsschutz am Bau mbH | occupational safety and health | 1 |
| 3 | Baugrundinstitut Dr.-Ing. Westhaus GmbH | occupational safety and health | 0 |
| 4 | bauserve GmbH | occupational safety and health | 0 |
| 5 | BMS Dipl.-Ing. R. Schneider | occupational safety and health | 1 |
| 6 | CPE | occupational safety and health | 1 |
| 7 | Dekra Umwelt GmbH | occupational safety and health | 2 |
| 8 | DoublExit Rescue Systems | occupational safety and health | 0 |
| 9 | GefAS Gesellschaft für Arbeitssicherheit mbH | occupational safety and health | 0 |
| 10 | Grupo ATISAE | occupational safety and health | 2 |
| 11 | Gutiérrez Tello y Cía. S.A. de C.V. | occupational safety and health | 10 |
| 12 | HRH Safety and Health Systems, Inc. | occupational safety and health | 1 |
| 13 | IBAS Ingenieurbüro für Arbeitssicherheit | occupational safety and health | 1 |
| 14 | IBW Joachim Weindel | occupational safety and health | 1 |
| 15 | Ingenieurbüro Peter Größlein | occupational safety and health | 1 |
| 16 | Kaupa Ingenieure | occupational safety and health | 2 |
| 17 | Michael Klug | occupational safety and health | 1 |
| 18 | Montaje de Redes de Seguridad, SL | occupational safety and health | 1 |
| 19 | Mplus Managementgesellschaft zur Optimierung von Arbeitsbedingungen mbH | occupational safety and health | 2 |
| 20 | planplus Gesellschaft für Architekturplanungen mbH | occupational safety and health | 1 |