• Number of offices: 10 to 30 Remove
| Firm |
Rank |
DI Index (?) |
Size (?) |
Headquarters |
Revenue |
Staff |
Offices |
Year |
| HOK |
3 |
|
|
St. Louis, MO |
$447,472,000 |
1,695 |
25 |
1955 |
| Perkins + Will |
4 |
|
|
Chicago, IL |
$372,000,000 |
1,517 |
23 |
1935 |
| SSOE Group |
17 |
|
|
Toledo, OH |
$126,535,500 |
858 |
23 |
1948 |
| DLR Group |
21 |
|
|
Omaha, NE |
$110,000,000 |
502 |
21 |
1966 |
| HKS, Inc. |
8 |
|
|
Dallas, TX |
$225,000,000 |
940 |
18 |
1939 |
| Cannon Design |
9 |
|
|
Grand Island, NY |
$218,808,718 |
1,053 |
17 |
1945 |
| IDC Architects (a division of CH2M Hill) |
|
|
|
Portland, OR |
|
21 |
17 |
1946 |
| RMJM |
18 |
|
|
New York, NY |
$125,660,000 |
712 |
16 |
1956 |
| IA Interior Architects |
|
|
|
San Francisco, CA |
|
|
14 |
1984 |
| Perkins Eastman |
16 |
|
|
New York, NY |
$130,000,000 |
675 |
13 |
1981 |
| CTA Architects Engineers |
54 |
|
|
Billings, MT |
$40,800,000 |
344 |
12 |
1938 |
| gkkworks |
91 |
|
|
Irvine, CA |
$24,837,873 |
102 |
12 |
1991 |
| Populous |
24 |
|
|
Kansas City, MO |
$86,000,000 |
333 |
12 |
1983 |
| SmithGroupJJR |
13 |
|
|
Detroit, MI |
$160,000,000 |
747 |
11 |
1853 |
| Swanke Hayden Connell Architects |
55 |
|
|
New York, NY |
$40,698,000 |
250 |
11 |
1906 |
| Callison |
38 |
|
|
Seattle, WA |
$52,015,000 |
800 |
10 |
1975 |
| Fanning/Howey Associates |
68 |
|
|
Celina, OH |
$31,447,134 |
173 |
10 |
1961 |
| HMC Architects |
23 |
|
|
Los Angeles, CA |
$87,973,699 |
389 |
10 |
1940 |
| L. R. Kimball (Architecture) |
119 |
|
|
Ebensburg, PA |
$20,583,600 |
465 |
10 |
1953 |
| RTKL Associates Inc. |
10 |
|
|
Baltimore, MD |
$201,933,000 |
900 |
10 |
1946 |
| Skidmore, Owings & Merrill |
7 |
|
|
Chicago, IL |
$252,500,000 |
788 |
10 |
1936 |
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 |
Brickell World Plaza, Miami, Florida | RTKL Associates, Inc. Photo by RTKL/David Whitcomb