Founded | Employees | Headquarters Location | |
|---|---|---|---|
| 1929 | 1.0K - 5.0K | Columbus, US | |
| - | 10000+ | Princeton, US | |
| - | 10000+ | US | |
| 2010 | 10000+ | Pittsburgh, US | |
| - | 10000+ | New York, US | |
| 1997 | 5000-10000 | Chicago, US | |
| 1922 | 5000-10000 | Philadelphia, US | |
| 1999 | 5000-10000 | Manhasset, US | |
| - | 25 - 100 | Hoboken, US | |
| 2003 | 1.0K - 5.0K | Cambridge, US | |
| 1993 | 1.0K - 5.0K | La Jolla, US | |
| 1931 | 1000-5000 | Berkeley, US | |
| 1946 | 1000-5000 | Arlington, US | |
| 1977 | 1.0K - 5.0K | Rockville, US | |
| 1983 | 100 - 250 | Bethesda, US | |
| 1969 | 1000-5000 | Durham, US | |
| 1999 | 1.0K - 5.0K | Covington, US | |
| 1890 | 1.0K - 5.0K | Cold Spring Harbor, US | |
| 1978 | 1.0K - 5.0K | San Diego, US | |
| - | 1000-5000 | APG, US | |
| 2018 | 1000-5000 | Salt Lake City, US | |
| 1921 | 1000-5000 | Cleveland, US | |
| 1965 | 1000-5000 | Honolulu, US | |
| 1891 | 250 - 500 | Pasadena, US | |
| 1901 | 1.0K - 5.0K | New York, US | |
| 1914 | 1000-5000 | Bryan, US | |
| 1972 | 1000-5000 | Bronx, US | |
| 1916 | 1000-5000 | Siloam Springs, US | |
| 1957 | 1000-5000 | Washington, US | |
| 1991 | 1000-5000 | Juncos, US | |
| 2003 | 1000-5000 | Pittsburgh, US | |
| - | 1000-5000 | Multiple Locations, US | |
| 1888 | 1000-5000 | College Station, US | |
| 2006 | 500-1000 | Raleigh, US | |
| 1942 | 500-1000 | Arlington, US | |
| 2003 | 500 - 1.0K | Morrisville, US | |
| 2015 | 500-1000 | Boston, US | |
| 1950 | 500-1000 | College Station, US | |
| 2003 | 500-1000 | Urbana, US | |
| 1983 | 100 - 250 | Columbia, US | |
| 1951 | 500-1000 | Urbana, US | |
| 1968 | 500 - 1.0K | Washington, US | |
| 2003 | 500 - 1.0K | Seattle, US | |
| 2003 | 500-1000 | Tempe, US | |
| 1962 | 500-1000 | Hampton, US | |
| 2015 | 500-1000 | Decatur, US | |
| 1995 | 500-1000 | San Diego, US | |
| 2013 | 1000-5000 | Wilmington, US | |
| 1838 | 500-1000 | Knoxville, US | |
| 1998 | 500-1000 | Los Angeles, US | |
| 2019 | 500-1000 | Tempe, US | |
| 2019 | 500-1000 | San Diego, US | |
| - | 500-1000 | Kansas City, US | |
| - | 500-1000 | Greenville, US | |
| - | 100-200 | Boston, US | |
| 2016 | 200-500 | Los Altos, US | |
| 1892 | 250 - 500 | Philadelphia, US | |
| 2000 | 100 - 250 | Eatontown, US | |
| 1978 | 250 - 500 | Matthews, US | |
| 2016 | 200-500 | Redwood City, US | |
| 2001 | 200-500 | Waltham, US | |
| 1999 | 200-500 | New York, US | |
| - | 200-500 | Davis, US | |
| 1964 | 200-500 | Covington, US | |
| 1979 | 1.0K - 5.0K | Washington, US | |
| - | 200-500 | New York, US | |
| 2004 | 100-200 | New York, US | |
| 2007 | 200-500 | Escondido, US | |
| 1987 | 25 - 100 | Huntsville, US | |
| 2005 | 100 - 250 | Minneapolis, US | |
| 2001 | 200-500 | West Lafayette, US | |
| 2019 | 200-500 | Blacksburg, US | |
| 2000 | 25 - 100 | Charlestown, US | |
| 2014 | 100 - 250 | Seattle, US | |
| 2009 | 100 - 250 | Cleveland, US | |
| 1956 | 25 - 100 | Seattle, US | |
| 1902 | 200-500 | Washington, US | |
| 1983 | 200-500 | Buffalo, US | |
| 2001 | 200-500 | Tucson, US | |
| 2003 | 1 - 25 | San Francisco, US | |
| 2003 | 25 - 100 | Cambridge, US | |
| 2016 | 200-500 | Austin, US | |
| 1993 | 200-500 | Tacoma, US | |
| 1989 | 100 - 250 | Charlottesville, US | |
| 1998 | 200-500 | Summerville, US | |
| 1915 | 200-500 | Ithaca, US | |
| 2002 | 100 - 250 | Aventura, US | |
| 1941 | 200-500 | San Antonio, US | |
| 1990 | 200-500 | Durham, US | |
| 2011 | 200-500 | Chicago, US | |
| 1979 | 200-500 | Rockville, US | |
| - | 200-500 | Mineral Point, US | |
| 1968 | 200-500 | Allentown, US | |
| 2000 | 25 - 100 | Garden Grove, US | |
| 1981 | 200-500 | Rockville, US | |
| 1992 | 200-500 | Atlanta, US | |
| 2017 | 200-500 | Scottsdale, US | |
| 1990 | 100 - 250 | Plymouth, US | |
| 2018 | 200-500 | Nutley, US |