| Firm |
Rank |
DI Index (?) |
Size (?) |
Headquarters |
Revenue |
Staff |
Offices |
Year |
| Heery International |
|
|
|
Atlanta, GA |
|
|
|
1952 |
| Heller and Metzger |
|
|
|
Washington, DC |
|
|
|
1982 |
| Heller Manus Architects |
|
|
|
San Francisco, CA |
|
|
1 |
1984 |
| Helpern Architects |
|
|
|
New York, NY |
|
|
|
1971 |
| Herbert | Lewis | Kruse | Blunck Architecture |
|
|
|
Des Moines, IA |
|
|
|
1961 |
| Herman Gibans Fodor |
|
|
|
Cleveland, OH |
|
|
|
1933 |
| Hickok Cole Architects |
|
|
|
Washington, DC |
|
|
|
1987 |
| Hnedak Bobo Group |
|
|
|
Memphis, TN |
|
|
|
1979 |
| Hoerr Schaudt Landscape Architects |
|
|
|
Chicago, IL |
|
|
|
2008 |
| Holabird & Root |
|
|
|
Chicago, IL |
|
|
|
1880 |
| Holl, Steven, Architects |
|
|
|
New York, NY |
|
|
|
1976 |
| Holleran Duitsman Architects |
|
|
|
Chesterfield, MO |
|
|
|
1986 |
| Hutker Architects |
|
|
|
Vineyard Haven, MA |
|
39 |
3 |
1985 |
| HWH Architects Engineers Planners |
|
|
|
Cleveland, OH |
|
|
|
1908 |
| IBI Group |
|
|
|
Calgary, AB |
|
|
|
1976 |
| Indovina Associates Architects |
|
|
|
Pittsburgh, PA |
|
|
|
1978 |
| Integrated Design Solutions |
|
|
|
Troy, MI |
|
|
|
1963 |
| Interplan |
|
|
|
Orlando, FL |
|
|
|
1972 |
| IR2 Interior Resource |
|
|
|
San Diego, CA |
|
|
|
1994 |
| Ittner Architects |
|
|
|
St. Louis, MO |
|
|
|
1910 |
| Jamers G. Rogers Architects |
|
|
|
South Norwalk, CT |
|
|
|
2009 |
| JG Johnson Architects |
|
|
|
Denver, CO |
|
|
|
1993 |
| JLG Architects |
|
|
|
Grand Forks, ND |
|
|
|
1989 |
| JMA |
|
|
|
Las Vegas, NV |
|
|
|
1945 |
| John Poe Architects |
|
|
|
Dayton, OH |
|
|
|
1985 |
| John Snyder Architects |
|
|
|
Ithaca, NY |
|
|
|
2003 |
| Joseph Wong Design Associates |
|
|
|
San Diego, CA |
|
|
|
1977 |
| JRB Group Architects, The |
|
|
|
Arlington Heights, IL |
|
|
|
1987 |
| JSA |
|
|
|
Portsmouth, NH |
|
|
|
1980 |
| JZMK Partners |
|
|
|
Irvine, CA |
|
|
1 |
1961 |
| KAI Design & Build |
|
|
|
St. Louis, MO |
|
|
|
1980 |
| Kallmann McKinnell & Wood Architects |
|
|
|
Boston, MA |
|
|
|
1962 |
| Kanner Architects |
|
|
|
Santa Monica, CA |
|
|
|
1946 |
| KBJ Architects |
|
|
|
Jacksonville, FL |
|
|
|
1946 |
| Kell Munoz Architects |
|
|
|
San Antonio, TX |
|
|
|
1927 |
| Kendall/Heaton Associates |
|
|
|
Houston, TX |
|
|
|
1978 |
| Kerns Group Architects |
|
|
|
Arlington, VA |
|
|
|
1974 |
| Kevin Roche John Dinkeloo & Associates |
|
|
|
Hamden, CT |
|
|
|
1950 |
| KieranTimberlake |
|
|
|
Philadelphia, PA |
|
|
|
1984 |
| Killefer Flammang Architects |
|
|
|
Santa Monica, CA |
|
|
|
1980 |
| Kitchen & Associates Architectural Services |
|
|
|
Collingswood, NJ |
|
|
|
1971 |
| KMA Architecture & Engineering |
|
|
|
San Diego, CA |
|
|
|
1973 |
| Kondylis Architecture |
|
|
|
New York, NY |
|
|
|
2009 |
| Kromm Rikimaru and Johansen |
|
|
|
St. Louis, MO |
|
|
|
1956 |
| KTGY Group |
|
|
|
Irvine, CA |
|
|
|
1991 |
| Kubala Washatko Architects |
|
|
|
Cedarburg, WI |
|
|
|
1980 |
| Kuhlman Design Group |
|
|
|
Maryland Heights, MO |
|
|
|
1974 |
| Kwan Henmi |
|
|
|
San Francisco, CA |
|
|
|
1980 |
| KZF Design |
|
|
|
Cincinnati, OH |
|
|
|
1956 |
| Laguarda Low Architects |
|
|
|
Dallas, TX |
|
|
|
2000 |
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 |
BBC Worldwide Americas, New York, NY | Perkins Eastman. Photo by Chris Cooper