| A |
| Abacus Datanot edited since 2022 | 71 Bank Street, Centretown | | | |
| Adapteknot edited since 2018 | 2615 Lancaster Road, Gloucester | | | |
| Advanced Software Conceptsnot edited since 2018 | 235 Terence Matthews Crescent, Kanata | | | |
| AffinityClicknot edited since 2018 | 81 Metcalfe Street, Centretown | | | |
| Amika Mobile Corporationnot edited since 2020 | 150 Katimavik Road, Kanata | amikamobile.com | +1-613-599-4445 | |
| Analog Devicesnot edited since 2018 | 2611 Queensview Drive, Nepean | | | |
| Apptastic Softwarenot edited since 2018 | 1010 Polytek Street, Gloucester | | | |
| Arvizionot edited since 2018 | 245 Menten Place, Bells Corners | | | |
| Auxitanot edited since 2018 | 1131 Tighe Street, Manotick | | | |
| Avastnot edited since 2018 | 1125 Innovation Drive, Kanata | | | |
| AVI-SPLnot edited since 2018 | 883 Boyd Avenue, Westboro | | | |
| B |
| BackOffice Associatesnot edited since 2018 | 411 Legget Drive, Kanata | | | |
| Beyond 20/20not edited since 2018 | 265 Carling Avenue, Centretown | | | |
| bluArcnot edited since 2018 | 883 Boyd Avenue, Westboro | | | |
| BriteSkynot edited since 2018 | 118 Iber Road, Stittsville | | | |
| Builder Software Toolsnot edited since 2018 | 1134 Clapp Lane, Manotick | | | |
| C |
| Calian Gnss | 175 Terence Matthews Crescent, Kanata | calian.com | | |
| Capital Data Recoverynot edited since 2018 | 1827 Woodward Drive, Westboro | | | |
| CaTech Systemsnot edited since 2019 | 2465 Stevenage Drive, South Keys | | | |
| Cistel Technologiesnot edited since 2018 | 30 Concourse Gate, Nepean | | | |
| COFOMO | 366 Dalhousie Street, Lowertown | | | |
| CompuComnot edited since 2018 | 2280 St-Laurent Boulevard, Alta Vista | | | |
| Compuphile Systemsnot edited since 2020 | 1530 Bank Street, Alta Vista | | | |
| Convergint Technologiesnot edited since 2018 | 2170 Thurston Drive, South Keys | | | |
| CVL Information Solutionsnot edited since 2018 | 5330 Canotek Road, Gloucester | | | |
| D |
| D.E. Systems | 2212 Gladwin Crescent, Gloucester | | | |
| Decisive Technologiesnot edited since 2018 | 120 Iber Road, Stittsville | | | |
| Descartesnot edited since 2018 | 2280 Walkley Road, Alta Vista | | | |
| DNS Networksnot edited since 2018 | 394 Arthur Street, Hintonburg | | | |
| E |
| Eclipse Foundationnot edited since 2021 | 2934 Baseline Road, Nepean | eclipse.org | | |
| Epam | 343 Preston Street, Hintonburg | epam.com | +1 647 931 6912 | |
| F |
| Feenicsnot edited since 2018 | 2310 St-Laurent Boulevard, Alta Vista | | | |
| Firewall Technical | 2420 Bank Street, South Keys | firewalltechnical.com | +1 613-288-5805 | |
| Fullscriptnot edited since 2018 | 245 Cooper Street, Centretown | | | |
| H |
| Hosting Canadanot edited since 2021 | 78 George Street, Lowertown | hostingcanada.org | +1-613-680-6805 | |
| I |
| In House Supportnot edited since 2018 | 880 Taylor Creek Drive, Orléans | | | |
| Iversoftnot edited since 2019 | 1155 Lola Street, Vanier | | | |
| L |
| Lightbox Technologies Inc | 21 Concourse Gate, Nepean | lightbox.ca | | |
| M |
| Machinenot edited since 2018 | 200 Glenroy Gilbert Drive, Barrhaven | | | |
| Menu.ca | 2126 Apple Leaf Way, Blackburn Hamlet | | | |
| Multiview Financial Softwarenot edited since 2018 | 17 Auriga Drive, South Keys | | | |
| P |
| Precise-ITCnot edited since 2018 | 1956 Robertson Road, Bells Corners | | | |
| PrecisionERPnot edited since 2018 | 12 York Street, Lowertown | | | |
| PWB Interconnect Solutionsnot edited since 2018 | 235 Menten Place, Bells Corners | | | |
| Pythian | 319 McRae Avenue, Westboro | pythian.com | | |
| S |
| Secure Technologies Internationalnot edited since 2019 | 1807 St. Joseph Boulevard, Blackburn Hamlet | | | |
| SkyWare Labsnot edited since 2022 | 301 Moodie Drive, Bells Corners | skyware.aero | | |
| SMATS Traffic Solutions | Unit 211 35 Auriga Dr., Nepean | smats.ca | +1 613-417-0309 | |
| Speedyrailsnot edited since 2018 | 449 Sussex Drive, Lowertown | | | |
| T |
| Targa Systemsnot edited since 2018 | Riverside South, no street on record | | | |