Vendors

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

Saab Digital Air Traffic Solutions remote tower

Sweden · r-TWR digital tower

Pioneer of operational remote towers: the Swedish LFV network (first operational remote tower, Örnsköldsvik 2015), London City with NATS, and 2025 selections at Warsaw Modlin, Sønderborg, and Vilnius. Ran the US Leesburg remote tower until the program ended in 2023.

Frequentis remote tower

Vienna, Austria · smartVISION remote/digital towers + voice

Remote and digital tower systems plus dominant voice-communication presence. smartVISION powers South America's first remote tower (DECEA, Santa Cruz, Brazil). Partnered with RTX/Collins for FAA testing at the Atlantic City testbed.

Frequentis DFS Aerosense remote tower

Germany · DFS joint venture

Joint venture of Frequentis and DFS delivering the German remote tower network run from the Leipzig centre (Saarbrücken, Erfurt, Dresden).

Searidge Technologies remote tower

Ottawa, Canada (NAV CANADA + NATS owned) · digital tower & apron

Digital tower and intelligent-apron systems, including the world's largest digital tower/apron implementation at Hong Kong International (DATMS), Farnborough's hybrid digital tower with NATS, and Aena's remote tower program in Spain with FerroNATS. Withdrew from the Colorado FNL project in 2023.

Indra remote tower

Spain · remote tower + ATM

Digital remote tower for HungaroControl at Budapest, the purpose-built multi-airport RTC Vantaa for Fintraffic in Finland, display and ATM systems in the Avinor network alongside Kongsberg, and remote tower work in Peru.

Kongsberg remote tower

Norway · NINOX camera systems

Camera and sensor technology behind Avinor's NINOX remote tower network, controlled from the Bodø Remote Tower Centre, one of the largest multi-airport deployments in the world.

RTX / Collins Aerospace remote tower

USA · FAA testbed partner

Partnered with Frequentis on the remote tower system under FAA evaluation at the Atlantic City (ACY) testbed.

Thales remote tower

France · ATM systems

Global ATM supplier with remote and digital tower capability within its aerodrome portfolio.

Leonardo remote tower

Italy · ATM systems

Italian ATM and defence electronics group with digital tower activity in the ENAV modernisation orbit.

Adacel remote tower

USA/Australia · ATC simulation + digital tower

ATC simulation and speech-recognition specialist participating in the US digital tower push.

Nexteon Technologies remote tower

USA · digital tower entrant

US entrant in the digital and remote tower market and the coalition advocating US adoption.

uAvionix remote tower

USA · surveillance & avionics

ADS-B and surveillance technology supplier participating in US remote tower and airfield digitisation programs.

Leidos remote tower

USA · ATM services

US ATM services and integration provider tracked for digital tower involvement.

Remote and digital tower system vendors, listed with verified deployments. Inclusion is reference, not endorsement. Something out of date? Tell us.