Vendors

The companies building remote and digital tower systems. Listed alphabetically.

Frequentis remote tower

Vienna, Austria · voice communications + remote/digital towers

Voice-communication systems and remote/digital tower solutions. Builds the remote-tower system that Collins Aerospace partnered on for US testing at the FAA ACY testbed. Major voice-switch presence in the US transition.

frequentis.com →

Indra remote tower

Spain · remote tower + ATM

Remote tower and ATM provider; involved in the Avinor remote tower program alongside Kongsberg. verify scope

indracompany.com →

Kongsberg remote tower

Norway · Avinor remote tower network

Supplier on the Avinor remote tower program (network controlled from the Bodø Remote Tower Centre), working alongside Indra. verify scope

kongsberg.com →

Saab Digital Air Traffic Solutions remote tower

Sweden · r-TWR digital tower

One of the first operational digital tower providers. Powers London City (NATS, controlled from Swanwick) and Scandinavian deployments. r-TWR camera-and-display remote tower system.

saab.com →

Searidge Technologies remote tower

Ottawa, Canada (NAV CANADA affiliated) · digital tower & apron

Digital tower and intelligent-apron systems. Selected in 2017 for the Colorado (FNL) remote tower; withdrew from that project in 2023.

searidgetech.com →

Remote and digital tower system vendors only. Scope marked verify is being confirmed against source. Inclusion here is reference, not endorsement.