• Year Established: 1990 to 2000 Remove
| Firm |
Rank |
DI Index (?) |
Size (?) |
Headquarters |
Revenue |
Staff |
Offices |
Year |
| McKissack & McKissack |
109 |
|
|
Washington, DC |
$22,339,000 |
150 |
8 |
1990 |
| gkkworks |
91 |
|
|
Irvine, CA |
$24,837,873 |
102 |
12 |
1991 |
| AECOM (Architecture) |
2 |
|
|
Los Angeles, CA |
$687,520,000 |
4,399 |
400 |
1990 |
Note: you may click on any of the column headings in the table above to change the sort order.
| Top tier global and categorical leader recognition |
| Exceptional national and categorical leader recognition |
| Strong regional and categorical leader recognition |
| Notable and growing with emerging categorical recognition |
| Professional practice notable in city and region |
| Extra Large | 451+ employees |
| Large | 101-450 employees |
| Medium | 21-100 employees |
| Small | 20 employees or less |