| # | Company name | Role | # of Projects |
|---|---|---|---|
| 1 | Abbey Scaffolding | formwork supplier | 0 |
| 2 | Able Construction Ltd. | formwork supplier | 1 |
| 3 | Abscaff Ltd. | formwork supplier | 0 |
| 4 | Adams Scaffolding | formwork supplier | 0 |
| 5 | Adept Scaffolding | formwork supplier | 0 |
| 6 | Aetna Structures Limited | formwork supplier | 1 |
| 7 | Alfe Renta Catalunya | formwork supplier | 1 |
| 8 | Algresa | formwork supplier | 14 |
| 9 | Alkimas | formwork supplier | 1 |
| 10 | Allnue Structures Inc | formwork supplier | 1 |
| 11 | Alphi | formwork supplier | 1 |
| 12 | Aluma Enterprises, Inc. | formwork supplier | 0 |
| 13 | Aluma Systems Canada, Inc. | formwork supplier | 2 |
| 14 | Aluma Systems International Inc. | formwork supplier | 4 |
| 15 | Aluma Systems USA, Inc. | formwork supplier | 1 |
| 16 | Aluma Systems USA, Inc. | formwork supplier | 3 |
| 17 | Alumlight | formwork supplier | 1 |
| 18 | American Engineering Testing, Inc. | formwork supplier | 7 |
| 19 | Amor Forming Ltd. | formwork supplier | 1 |
| 20 | Andamiajes Araba S.L. | formwork supplier | 1 |