| # | Company name | Role | # of Projects |
|---|---|---|---|
| 1 | 555 Plaza Management Co. Ltd. | owner | 1 |
| 2 | Aedas Shanghai | architect | 1 |
| 3 | Alison Group | developer | 1 |
| 4 | Allied Architects International | architect | 3 |
| 5 | Architectural Design Consultant Co. Ltd. | interior designer | 1 |
| 6 | Architectural Design Institute of Tongji University | architect | 3 |
| 7 | Architekten von Gerkan, Marg und Partner | architect | 1 |
| 8 | Arquitectonica | architect | 4 |
| 9 | Arup | structural engineering | 3 |
| 10 | Asiatic Alliance | developer | 1 |
| 11 | Atkinson & Dallas | architect | 2 |
| 12 | Benoy | architect | 1 |
| 13 | Ben Wood Studio Shanghai | architect | 1 |
| 14 | Bohai Architectural Model Lab Ltd. | architectural model making | 0 |
| 15 | Brandston Partnership Inc. | lighting consultant | 3 |
| 16 | Callison Architecture, Inc. | architect | 2 |
| 17 | CapitaLand China Holdings | developer | 2 |
| 18 | Carlos Ott Architect - PPA | architect | 0 |
| 19 | China Shanghai Foreign Trade Centre Co., Ltd | developer | 1 |
| 20 | C & K | MEP engineering | 2 |