| # | Company name | Role | # of projects |
|---|---|---|---|
| 61 | Ellinwood + Machado | Structural engineering | 5 |
| 62 | Ellinwood + Machado | Structural engineering | 2 |
| 63 | Elliott, LeBoeuf & Associates | Structural engineering | 2 |
| 64 | Ellison & King | Structural engineering | 1 |
| 65 | Ellison Gage & Associates | Structural engineering | 1 |
| 66 | Ellisor & Tanner, Inc. | Structural engineering | 10 |
| 67 | Ellisor Engineers | Structural engineering | 5 |
| 68 | Ellmer Partnership | Structural engineering | 1 |
| 69 | Ellyps SA | Structural engineering | 1 |
| 70 | ELN Engineers | Structural engineering | 2 |
| 71 | Elton Engineers Inc | Structural engineering | 0 |
| 72 | EMA Engineers Inc | Structural engineering | 1 |
| 73 | Emanuel Bernhard Geering | Structural engineering | 3 |
| 74 | Emanuel Engineering Company. | Structural engineering | 1 |
| 75 | Emanuel Necula PC Consulting Engrs | Structural engineering | 0 |
| 76 | EMC Structural Engineers PC | Structural engineering | 9 |
| 77 | Emch + Berger Holding GmbH | Structural engineering | 3 |
| 78 | Emir Mühendislik | Structural engineering | 2 |
| 79 | Ena Group | Structural engineering | 1 |
| 80 | Encore Development Inc | Structural engineering | 1 |