 | Magenium | Downers Grove, illinois, united states | 67 | information technology and services | 2007 | |
 | autumn creative llc | downers grove, illinois, united states | - | arts and crafts | 2010 | |
 | colorburst | downers grove, illinois, united states | - | printing | 1996 | |
 | fairview commons | downers grove, illinois, united states | - | hospital and health care | - | |
| premium electric services | downers grove, illinois, united states | - | construction | - | |
| fountainhead graphics | downers grove, illinois, united states | - | printing | 2001 | |
| supportpro. | downers grove, illinois, united states | - | packaging and containers | 2012 | |
| am testing and services, inc. | downers grove, illinois, united states | - | consumer goods | 2007 | |
| alter brewing company | downers grove, illinois, united states | - | food and beverages | 2015 | |
 | advocate charitable foundation | downers grove, illinois, united states | - | - | - | |
| boncura health solutions | downers grove, illinois, united states | - | hospital and health care | 2011 | |
| short circuit electric | downers grove, illinois, united states | - | appliances, electrical, and electronics manufacturing | - | |
| matthies builders inc | downers grove, illinois, united states | - | real estate | - | |
| omega restaurant | downers grove, illinois, united states | - | food production | - | |
| lindy manufacturing co | downers grove, illinois, united states | - | mechanical or industrial engineering | - | |
| reliable label | downers grove, illinois, united states | - | printing | - | |
| sievers & stevens construction | downers grove, illinois, united states | - | construction | 2000 | |
| security source, inc. | downers grove, illinois, united states | - | security and investigations | 1991 | |
| management association - the hr source for employers | downers grove, illinois, united states | - | human resources | 1898 | |
| uplink international | downers grove, illinois, united states | - | telecommunications | - | |
