Name
Location
Size
Founded
Alto
San Francisco, United States
massive
2015
Altoros
Sunnyvale, United States
large
2001
Amazon
Seattle, United States
unknown
1995
Ambiki
Knoxville, United States
midsize
—
Amount
Chicago, United States
massive
2020
Anadea
Las Vegas, United States
large
2000
AngelList
San Francisco, United States
massive
2010
Angi
New York, United States
massive
1995
Anvyl
New York, United States
large
2017
AppFolio
Goleta, United States
massive
2006
Apple
Cupertino, United States
unknown
1976
Aptible
Denver, United States
midsize
2013
Arcade
Plano, United States
midsize
2019
Arcadia
Boston, United States
massive
2002
Arkestro
San Francisco, United States
large
—
Arrows
Los Angeles, United States
small
2018
Artsy
New York, United States
big
2009
AtoB
San Francisco, United States
large
2019
Authorium
San Francisco, United States
unknown
—
Autodesk
San Rafael, United States
massive
1991
Avochato
Mill Valley, United States
midsize
2016
Away
New York, United States
large
2015
Axented
New York, United States
large
2010
Azumo
San Francisco, United States
large
2016
BLDUP
Boston, United States
midsize
2009
Babylist
Oakland, United States
massive
2011
BackerKit
San Francisco, United States
midsize
2012
Bark
Richmond Hill, United States
large
2015
Basecamp
Chicago, United States
midsize
1999
Bcause
Virginia Beach, United States
midsize
2013