| # | Company name | Role | # of projects |
|---|---|---|---|
| 1 | Halvorson and Partners | Structural engineering | 71 |
| 2 | Structural engineering | 53 | |
| 3 | Structural engineering | 259 | |
| 4 | (MP)² Structural Engineers, LLC | Structural engineering | 1 |
| 5 | 2nd Moment LLC | Structural engineering | 1 |
| 6 | 3D Structural Engineers, Inc. | Structural engineering | 0 |
| 7 | 3E Consulting Engineers | Structural engineering | 1 |
| 8 | 4Construct BV | Structural engineering | 2 |
| 9 | 4SE Inc. | Structural engineering | 1 |
| 10 | A & E Associates | Structural engineering | 1 |
| 11 | A R Smythe Jr | Structural engineering | 0 |
| 12 | A Richard St Germain | Structural engineering | 3 |
| 13 | A T Merovich & Associates | Structural engineering | 2 |
| 14 | A T Renczarski & Company, Inc. | Structural engineering | 2 |
| 15 | A V Schwan & Associates Inc | Structural engineering | 2 |
| 16 | A W Mckinney | Structural engineering | 1 |
| 17 | A-Insinöörit | Structural engineering | 3 |
| 18 | A-Zed Structural Engineering | Structural engineering | 2 |
| 19 | A. David Perelmuter | Structural engineering | 1 |
| 20 | A. L. Høyer Skien A.S | Structural engineering | 3 |
