 | Deer Creek | ajax, ontario, canada | 133 | recreational facilities | 1989 | |
 | Wesco Production Tools Ltd. | Ajax, ontario, canada | 12 | automotive | 1984 | |
 | TechPeer | Ajax, ontario, canada | 3 | information technology and services | 2018 | |
 | Hupaco Wood Products Ltd | Ajax, ontario, canada | 5 | paper and forest products | 1975 | |
 | Mills | Gosse Psychology | Ajax, ontario, canada | 12 | mental health care | 2000 | |
 | SMB Handling Systems LTD. | Ajax, ontario, canada | 3 | building materials | 1974 | |
 | Carizma Auto Group | Ajax, ontario, canada | 1 | automotive | 2019 | |
 | Cambridge International Academy - CCIAEDU | ajax, ontario, canada | 27 | primary and secondary education | - | |
 | Cathy S. Ramsundar Insurance Broker | Ajax, ontario, canada | 1 | insurance | 1988 | |
 | computer room services corporation | ajax, ontario, canada | - | information technology and services | 1983 | |
 | gnv technology ltd. | ajax, ontario, canada | - | industrial automation | 2006 | |
| ajax pickering board of trade | ajax, ontario, canada | - | non-profit organizations | 1955 | |
| performance water systems | ajax, ontario, canada | - | health, wellness and fitness | - | |
 | veridian connections inc. | ajax, ontario, canada | - | utilities | 1999 | |
 | coughlan homes | ajax, ontario, canada | - | construction | 1958 | |
 | just i.t. supply inc. | ajax, ontario, canada | - | information technology and services | 1997 | |
| health plus nutrition centre | ajax, ontario, canada | - | health, wellness and fitness | 1998 | |
 | durham truck & equipment | ajax, ontario, canada | - | transportation and trucking and railroad | 1996 | |
| on-cite solutions ltd. | ajax, ontario, canada | - | telecommunications | 2006 | |
 | focus moving services inc. | ajax, ontario, canada | - | transportation and trucking and railroad | 2012 | |
