| # | Firmenname | Rolle | Anzahl der Projekte |
|---|---|---|---|
| 1 | Aalborg Aluminiumfacader A/S | Fassadenbau | 1 |
| 2 | Aankit Granites Limited | Fassadenbau | 0 |
| 3 | ABEL | Fassadenbau | 2 |
| 4 | Acme Brick | Fassadenbau | 1 |
| 5 | ACS Inc. | Fassadenbau | 5 |
| 6 | Advance Cast Stone Company | Fassadenbau | 2 |
| 7 | Advanced Glazing Systems | Fassadenbau | 26 |
| 8 | Advanced Precast Inc. | Fassadenbau | 1 |
| 9 | Advance Terra-Cotta Company | Fassadenbau | 1 |
| 10 | Agrob Buchtal | Fassadenbau | 3 |
| 11 | Akron Brick and Block | Fassadenbau | 1 |
| 12 | AKS Bouw BV | Fassadenbau | 0 |
| 13 | Aksoy Aluminium Industry & Trade | Fassadenbau | 5 |
| 14 | AK Steel | Fassadenbau | 0 |
| 15 | Alab Aluminiumsystem AB | Fassadenbau | 2 |
| 16 | Al Abbar Aluminium | Fassadenbau | 39 |
| 17 | Alcan Aluminio España, S.A. | Fassadenbau | 1 |
| 18 | Alcan, Inc. | Fassadenbau | 3 |
| 19 | Alcan Participações Ltda | Fassadenbau | 6 |
| 20 | Alcan Singen GmbH | Fassadenbau | 0 |
