• US staff: 600 to 800 Remove
| Firm |
Rank |
DI Index (?) |
Size (?) |
Headquarters |
Revenue |
Staff (US) |
Offices |
Year |
| Callison |
38 |
|
|
Seattle, WA |
$52,015,000 |
800 |
10 |
1975 |
| HKS, Inc. |
8 |
|
|
Dallas, TX |
$225,000,000 |
707 |
18 |
1939 |
| Skidmore, Owings & Merrill |
7 |
|
|
Chicago, IL |
$252,500,000 |
706 |
10 |
1936 |
| SmithGroupJJR |
13 |
|
|
Detroit, MI |
$160,000,000 |
747 |
11 |
1853 |
| SSOE Group |
17 |
|
|
Toledo, OH |
$126,535,500 |
753 |
23 |
1948 |
| Stantec Inc. |
12 |
|
|
San Francisco, CA |
$172,425,000 |
659 |
|
1954 |
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 |