| # | Company name | Role | # of Projects |
|---|---|---|---|
| 1 | AA Advance Air, Inc. | cooling installation | 4 |
| 2 | ABK AS | cooling installation | 1 |
| 3 | Aharoni Assa Consulting Engineers Ltd. | cooling installation | 9 |
| 4 | AirCo Air Conditioning | cooling installation | 1 |
| 5 | AIREDALE Klimageräte GmbH | cooling installation | 0 |
| 6 | Airwell | cooling installation | 0 |
| 7 | ALDES | cooling installation | 0 |
| 8 | Alon Farber Engineering Ltd. | cooling installation | 0 |
| 9 | Amalva UAB | cooling installation | 3 |
| 10 | A. M. International Consultants | cooling installation | 0 |
| 11 | Anavi S. Engineers Ltd. | cooling installation | 0 |
| 12 | Apšildymo ir ventiliacijos automatizavimo centras UAB | cooling installation | 2 |
| 13 | Artenve | cooling installation | 1 |
| 14 | Atanaram Comércio de Refrigeração LTDA | cooling installation | 0 |
| 15 | Bardram Luft-Teknik A/S | cooling installation | 1 |
| 16 | Berner International Corp | cooling installation | 0 |
| 17 | Birkenstock GmbH & Co. KG | cooling installation | 0 |
| 18 | Birton A/S | cooling installation | 1 |
| 19 | B. Iskovich Z. Tesher Consultants Ltd. | cooling installation | 0 |
| 20 | Bjerke Ventilasjon AS | cooling installation | 4 |