- National Public Transport Access Node Database (NaPTAN) - A nationwide system run by the Department for Transport for uniquely identifying all the points of access to public transport. Includes schemas and documentation. Access to the data itself requires a license.
- Transport Direct - Government site containing a public-transport route-finder and a car route planner. Also includes live travel information.
- Xephos Internet Transport Schedules - Includes timetables and journey planners for national, regional and local bus services plus Network Rail train and National Express coach services.
- ACT Travelwise - Provides support to organisations that need to reduce the number of employees and visitors driving their cars onto site, through the introduction of a Travel Plan.
- Community Transport Association - National representative body of voluntary sector transport operators offering training and information on accessible, voluntary and community transport.
- Transport Research Laboratory - Centre of research into all aspects of transport safety. News, environmental research and impacts, international aid, and projects.
- MCL Associates - Customs and tariff advisers based in Warwickshire.
- Road Runner TCA - Providing vehicle and pedestrian counting systems. Hand tally counters, ATCs, nails, tubing, road clamps. Traffic and pedestrian surveys, video surveys, traffic counter hire, speed radar.
- Traveline - Public transport information through the UK. Include call-centre details and online journey planner.
- Timeplan - Fuel management systems and solutions for transport operators.
- Lewis Day Transport PLC - Offers courier services and private hire cars from depots around Great Britain. Profile, services and parcel tracking with information about jobs.
- Travel Search - Bus, coach and train service and operator search.
- 21st Century Technology Solutions Limited - Offer CCTV, reversing systems, fuel reducing technology and passenger counting systems. Contact details.
- Scotland@ (28)
- England@ (22)
- Wales@ (5)
- Northern Ireland@ (10)