 | Snellman Pro | Kerava, uusimaa, finland | 18 | food production | - | |
 | Puumerkki Group | Kerava, uusimaa, finland | 40 | building materials | - | |
 | MIP Electronics Oy | Kerava, uusimaa, finland | 5 | semiconductors | 1986 | |
 | Elido Oy | Kerava, uusimaa, finland | 9 | marketing and advertising | 2009 | |
 | airam electric oy ab | kerava, uusimaa, finland | 62 | appliances, electrical, and electronics manufacturing | 1921 | |
 | PELTIKA OY | Kerava, uusimaa, finland | - | building materials | 1990 | |
 | Mindmax Oy | Kerava, uusimaa, finland | 3 | information technology and services | 2009 | |
 | ifolor suomi | kerava, uusimaa, finland | - | printing | 1971 | |
 | axel group logistic systems oy | kerava, uusimaa, finland | - | information technology and services | - | |
 | korson sähkö-yksikkö oy | kerava, uusimaa, finland | - | construction | - | |
| integround | kerava, uusimaa, finland | - | information technology and services | 2012 | |
 | tuko logistics cooperative | kerava, uusimaa, finland | - | logistics and supply chain | 1942 | |
| keski-uudenmaan informaatioteknologia oy | kerava, uusimaa, finland | - | information technology and services | 2015 | |
| ews device ltd | kerava, uusimaa, finland | - | information technology and services | 1971 | |
| pynnönen international ltd oy | kerava, uusimaa, finland | - | logistics and supply chain | 1986 | |
| novema office oy | kerava, uusimaa, finland | - | wholesale | - | |
| franspoint oy | kerava, uusimaa, finland | - | telecommunications | 2009 | |
| uudenmaan ohutlevy oy | kerava, uusimaa, finland | - | mechanical or industrial engineering | 1992 | |
| planimo oy | kerava, uusimaa, finland | - | architecture and planning | - | |
| mp metallityö oy | kerava, uusimaa, finland | - | mechanical or industrial engineering | 2015 | |
