| Warszawska Szkoła Zarządzania | |
| Warszawska Uczelnia Ekonomiczna | |
| Warszawska Wyższa Szkoła Biznesu | |
| Warszawska Wyższa Szkoła Informatyki | Masovian |
| Warszawski Hackerspace | |
| Warszawski Uniwersytet Medyczny | |
| Wasko | |
| Watermarkly | |
| WaveNet Sp. z o.o. | |
| Wawmedia | Masovian |
| Wayman Software | |
| Waynet Sp. z o.o. | |
| Wdesk | Lesser Poland |
| Wealthon S.A. | |
| WealthSeed | |
| WEARFITS | |
| Web-Info | Lower Silesian |
| Web-Mar.pl | Silesian |
| Web24.com.pl Sp. z o.o. | Pomeranian |
| Web4Yoou | |
| Webankieta | Masovian |
| Webanywhere Sp. z o.o. | |
| Webchefs | |
| WebChili Sp. z o.o. | |
| WEBCON | |
| WebCrafters | |
| WebCUBE.pl | |
| Webd.pl | Pomeranian |
| Webdesign Solutions | Opole |
| WeBeeline | West Pomeranian |
| Webest | Greater Poland |
| Webgraf | Łódź |
| Webh | |
| Webhosting1st | |
| WebHostingTalk.pl | Masovian |
| Webini Internet Software House Sp. z o.o. | |
| Webkameleon Sp. z o.o. | Greater Poland |
| Webkom.co | |
| WebMakers.expert | Silesian |
| Webmethods | Lower Silesian |
| Webpack.pl | Greater Poland |
| WebReklama | Masovian |
| Webring Internet Solutions | Łódź |
| Webserver.pl | Silesian |
| Website Style | |
| Websoul Tomasz Smykowski | |
| WebSpot.pl | Lesser Poland |
| Webster-Studio | Greater Poland |
| Websztygar | |
| Webteam Telekomunikacja Sp. z o.o. | Silesian |