| # | Company name | Role | # of Projects |
|---|---|---|---|
| 1 | Abloy Door Security | door supplier | 0 |
| 2 | Ace Fire Door Corp | door supplier | 0 |
| 3 | Activar, Inc. | door supplier | 1 |
| 4 | Albany Door Systems | door supplier | 0 |
| 5 | Albany Door Systems Germany | door supplier | 0 |
| 6 | Albertini S.p.A. | door supplier | 0 |
| 7 | Alco Beldan | door supplier | 1 |
| 8 | Algoma Hardwoods, Inc. | door supplier | 1 |
| 9 | American Door and Hardware | door supplier | 0 |
| 10 | Amweld Buliding Products, LLC. | door supplier | 0 |
| 11 | Andrew A. Kindem & Sons, Inc. | door supplier | 2 |
| 12 | Architectural Component Service, Inc. | door supplier | 0 |
| 13 | Astec GmbH | door supplier | 0 |
| 14 | ASTRA-Türen GmbH | door supplier | 0 |
| 15 | Atlantic Door & Hardware | door supplier | 0 |
| 16 | Boon Edam Inc. | door supplier | 1 |
| 17 | Boon Edam Ltd. | door supplier | 2 |
| 18 | Boon Edam Nederland B.V. | door supplier | 0 |
| 19 | Boon Edam Spain S.L. | door supplier | 3 |
| 20 | Boon Edam Sweden AB | door supplier | 2 |