| # | Company name | Role | # of Projects |
|---|---|---|---|
| 1 |
|
HVAC supplier | 23 |
| 2 |
|
HVAC supplier | 29 |
| 3 | Advanced Heating & Air Conditioning, Inc. | HVAC supplier | 1 |
| 4 | AFGO Mechanical Services, Inc. | HVAC supplier | 0 |
| 5 | Balfour Kilpatrick Limited | HVAC supplier | 1 |
| 6 | Comfort Air Engineering | HVAC supplier | 1 |
| 7 | Daikin Industries Ltd | HVAC supplier | 2 |
| 8 | D+H Rauchabzug-Lüftung GmbH Hamburg | HVAC supplier | 1 |
| 9 | DYPRO | HVAC supplier | 6 |
| 10 | Econ Tec Ltd. | HVAC supplier | 1 |
| 11 | GEA Happel Klimatechnik GmbH | HVAC supplier | 1 |
| 12 | Harinton Mechanical Design Inc. | HVAC supplier | 3 |
| 13 | IGW Ingenieurgesellschaft für Haustechnik Wetzstein GmbH | HVAC supplier | 1 |
| 14 | JEC Thailand | HVAC supplier | 1 |
| 15 | Key Mechanical of Washington | HVAC supplier | 1 |
| 16 | LOOS Deutschland GmbH | HVAC supplier | 0 |
| 17 | MCC Mechanical, Inc. | HVAC supplier | 1 |
| 18 | MEP Commissioning | HVAC supplier | 1 |
| 19 | Platzer - Ingenieure | HVAC supplier | 0 |
| 20 | Swegon AB | HVAC supplier | 11 |