Cumulus Media Networks | Metro Networks | United Stations Radio Networks | Juniper Networks | Terra Networks | News 12 Networks | EdgeCast Networks | Compass Media Networks | Bright House Networks | Big Three television networks | Universal Networks International | Tejas Networks | SOE F Section networks | Security Administrator Tool for Analyzing Networks | MHz Networks | Lifelong Learning Networks | INgage Networks | Entertainment Studios Networks | Energy Networks Association | Distil Networks | Discovery Networks UK | America's Team Radio Networks Dallas Cowboys | Vecima Networks | Vecima networks | Spread Networks | Sonus Quartet | Smithsonian Networks | Sharman Networks | SEVEN Networks | Scotia Gas Networks |
Among the firm's notable investments, Matrix Partners was an early stage investor in Apple Inc., Arrowpoint Communications, Digium, JBoss, JustFab, PSINet, SanDisk, Silverstream Software, TheLadders.com, Sonus Networks, Tivoli Software, Tollbridge Technologies, VERITAS Software, Vermeer Technologies Incorporated, and Xilinx.