| # | Company name | Role | # of projects |
|---|---|---|---|
| 1 | F D E Ltd | Structural engineering | 0 |
| 2 | F Huang & Associates | Structural engineering | 1 |
| 3 | F J Samuely and Partners Ltd. | Structural engineering | 1 |
| 4 | F. Schütt Technisches Büro für Tragwerksplanung & Bauphysik | Structural engineering | 1 |
| 5 | F. William Seidensticker | Structural engineering | 2 |
| 6 | F.C. Taxis | Structural engineering | 1 |
| 7 | Faas & van Iterson | Structural engineering | 2 |
| 8 | Fabre Engineering Inc. | Structural engineering | 2 |
| 9 | Faerber | Structural engineering | 1 |
| 10 | Fairfield Associates Consulting Engineers Inc. | Structural engineering | 1 |
| 11 | Faisant Associates Inc. | Structural engineering | 2 |
| 12 | Fakler Consult | Structural engineering | 1 |
| 13 | Falkofske Engineering | Structural engineering | 0 |
| 14 | Fankhänel & Müller | Structural engineering | 1 |
| 15 | Farhad-tabibzadeh Engineers | Structural engineering | 2 |
| 16 | Farhad/Tabib | Structural engineering | 1 |
| 17 | Farkas Barron Engineers | Structural engineering | 58 |
| 18 | Farkas, Barron & Jablonsky | Structural engineering | 14 |
| 19 | Farksas Barron Jabloksky | Structural engineering | 3 |
| 20 | Farooq Maniar Inc | Structural engineering | 0 |