| # | Company name | Role | # of Projects |
|---|---|---|---|
| 1 | Accord Engineering Ltd. | construction auditing | 1 |
| 2 | Adolf Gerber Baumanagement Gesellschaft mbH | construction auditing | 7 |
| 3 | Adplan Engenharia e Comercio | construction auditing | 1 |
| 4 | Alatec, Ingenieros Consultores y Arquitectos, S.A. | construction auditing | 1 |
| 5 | Albert Fink | construction auditing | 1 |
| 6 | AS Koger & Partnerid | construction auditing | 1 |
| 7 | Ataka Construction & Engineering Co., Ltd | construction auditing | 0 |
| 8 | Axelrod A. Shahar Y. Engineers | construction auditing | 2 |
| 9 | BDK Bernsdorff - Diehl - Klein Ingenieurgesellschaft mbH | construction auditing | 1 |
| 10 | BIP - Beratende Ingenieure für das Bauwesen VBI GmbH | construction auditing | 1 |
| 11 | Christensen & Sondgaard | construction auditing | 1 |
| 12 | Ciprol Engenharia | construction auditing | 4 |
| 13 | Construction Business Associates, Ltd. | construction auditing | 2 |
| 14 | Construtora Cora | construction auditing | 3 |
| 15 | CPMI, Inc. | construction auditing | 2 |
| 16 | CPMI, Inc. | construction auditing | 12 |
| 17 | Daley Ferraro Associates | construction auditing | 2 |
| 18 | Daniel Avraham Engineers | construction auditing | 1 |
| 19 | David Shacham | construction auditing | 0 |
| 20 | Davis Langdon & Seah Malaysia | construction auditing | 24 |