| Kelių transporto veiklos valstybės informacinė sistema „Keltra“ | SYS-C9891FDCF4 | Manages information used in state administration and supervision of road-transport activity. | acts as system/personal-data controller | Not publicly identified | Official controller list | high |
| Nacionalinė laivų eismo stebėsenos informacinė sistema (NLESIS) | SYS-A7F5950755 | Monitors vessel traffic in Lithuania's maritime responsibility area and exchanges data as part of SafeSeaNet to support safety and pollution prevention. | supervises and operates; acts as controller | Not publicly identified | Official controller list; official vessel-traffic description | high |
| Skaitmeniniuose tachografuose naudojamų identifikavimo kortelių personalizavimo ir apskaitos valstybės informacinė sistema „Skaitis“ | SYS-64773A2351 | Personalizes and accounts for identification cards used with digital tachographs. | acts as system/personal-data controller | Not publicly identified | Official controller list | high |
| Geležinkelių transporto valstybinės priežiūros informacinė sistema | SYS-D44D581038 | Supports state supervision of railway transport. | acts as system/personal-data controller | Not publicly identified | Official controller list | high |
| Ūkio subjektų, susijusių su kelių transportu, stebėsenos ir informavimo valstybės informacinė sistema „Vektra“ | SYS-F7682183BE | Supports monitoring and information exchange concerning road-transport operators. | acts as system/personal-data controller and procures operational maintenance and software modification | UAB „Asseco Lietuva“ — operational-maintenance and software-modification supplier under contract SUT-264(24), signed 2024-11-26 for EUR 2,933,000 | Official controller list; CVP IS contract-award notice | high |
| Lietuvos saugios laivybos administracijos laivų inspektavimo informacinė sistema | SYS-8A2886E699 | Records and supports vessel-inspection activity inherited from the former Lithuanian Maritime Safety Administration. | acts as system/personal-data controller | Not publicly identified | Official controller list | high |
| Lietuvos Respublikos jūrininkų registras | SYS-72022ABC10 | Holds official records concerning Lithuanian seafarers. | operates as registry processor | Not publicly identified | Official processor list | high |
| Lietuvos Respublikos jūrų laivų registras | SYS-4AE63EB5AB | Holds official records concerning Lithuanian seagoing ships. | operates as registry processor | Not publicly identified | Official processor list | high |
| Lietuvos Respublikos vidaus vandenų laivų registras | SYS-CAFAC29A2B | Holds official records concerning Lithuanian inland-water vessels. | operates as registry processor | Not publicly identified | Official processor list | high |
| Kelių ir geležinkelių transporto veiklos elektroninių paslaugų teikimo, konsultavimo ir informavimo valstybės informacinė sistema | SYS-AB329364CF | Delivers electronic services, consultation and information for road and rail transport activities. | operates as system processor / depends on | Not publicly identified | Official processor list | high |
| Viešojo transporto kelionių duomenų informacinė sistema (IS „Vintra“) | SYS-3407153EED | Collects and exposes public-transport journey data; LTSA materials identify Vintra functionality as the route-data access mechanism. | operates as system processor / depends on | Not publicly identified | Official processor list; LTSA competition clarification naming IS „Vintra“ | high |
| Dokumentų valdymo sistema „Avilys“ | SYS-981F45F8A2 | Supports the Administration's document-management workflows. | uses and procures maintenance and development | UAB „Asseco Lietuva“ — maintenance and development supplier under contract SUT-285(24), signed 2024-12-18 for EUR 43,000 | CVP IS contract-award notice | high |
| Esri ArcGIS GeoEvent Server and Staging Server licences | SYS-E146ED8D27 | Provides server software licences and vendor support for geospatial event-processing and staging functions. | procures licences and support | UAB „Hnit-Baltic“ — licence and support supplier under contract 28203, signed 2025-08-22 for EUR 49,700 | CVP IS contract-award notice | high |
| Jūros dugno duomenų bazės ir jūrinio kartografavimo sistemos programinė įranga | SYS-1567A86E5F | Supports seabed-data management and marine cartography. | procures software updates and maintenance | UAB „Hnit-Baltic“ — update and maintenance supplier under contract 62212, signed 2026-07-28 for €460,425 | CVP IS contract-award notice | high |