| nullBrainer | |
| NumDesk | |
| Numrex | |
| Nuwair Systems | |
| Nweb Solution | |
| Nybble Tech | Sindh |
| OAS (Office Automation Services) | Sindh |
| Objectual Systems Ltd | |
| Octek | |
| Octopus Digital | |
| Odesigning Solutions | |
| OmegaTechnologies | Islamabad Capital Territory |
| Online Orbit | |
| Online Yourself | |
| OpenSoft Technologies | |
| OpenWave Business Pvt Ltd | Islamabad Capital Territory |
| OpenX | |
| Oplox Tech | |
| OptimGeeks | |
| Optimum Technology | Sindh |
| OptimumTech | |
| Opus | Punjab |
| Ora-Tech Systems | Sindh |
| Oracle Pakistan | Islamabad Capital Territory |
| ORANET Training & Solutions (Pvt) Ltd | Punjab |
| Orbit Brain | |
| Orbitors IT Solutions | |
| Orient Biz Tech | Punjab |
| Oriental Tech Solutions | Punjab |
| Orison Technologies | Punjab |
| Osits | |
| Ovex Technologies | Punjab |
| OviTech Global | |
| Ozzun Solutions | |
| P@SHA | Islamabad Capital Territory |
| Pak Aims | |
| Pak Branding | |
| Pak Datacom Ltd | Islamabad Capital Territory |
| Pak Hosting Services | Sindh |
| Pak Mac | Islamabad Capital Territory |
| Pak SEO Services | Punjab |
| PakCyber | Punjab |
| Pakistan Blockchain Institute | Sindh |
| Pakistan College of Law | |
| Pakistan Council of Scientific & Industrial Research | |
| Pakistan Data Management Services (Pvt) Ltd | Sindh |
| Pakistan Information & Security Association | Islamabad Capital Territory |
| Pakistan Institute of Computer Sciences | |
| Pakistan Institute of Development Economics | |
| Pakistan Institute of Engineering and Applied Sciences | |