Construction of railways and underground railways
SIC code 42120 · 3,935 companies on the UK register list this activity. Newest first.
- Josh Mccain Ltd16786286 · Billericay · since 15 October 2025Active
- HGS Rail Ltd16786460 · Twickenham · since 15 October 2025Active
- Geovert Access Ltd16782753 · Caersws · since 14 October 2025Active
- J.fembeh Limited16777445 · London · since 10 October 2025Active
- Denny Rail Services Ltd16778657 · London · since 10 October 2025Active
- Nextgen Rail Solutions Ltd16772524 · London · since 8 October 2025Active
- Sentinel Rail Projects Ltd16772534 · Worksop · since 8 October 2025Active
- Mathex Ltd16770546 · London · since 7 October 2025Active
- Scotia Rail And Civils LimitedSC865526 · Glasgow · since 7 October 2025Active
- O’gina Rail And Construction Limited16766947 · Cannock · since 6 October 2025Active
- Nelson Fantasma Limited16762121 · London · since 3 October 2025Active
- KB Signall Ltd16756364 · Crewe · since 1 October 2025Active
- Bea Rail LtdSC864795 · Glasgow · since 1 October 2025Active
- Nble Ltd16741768 · Barnsley · since 25 September 2025Active
- Deacs Track Limited16743293 · Colchester · since 25 September 2025Active
- Tai Sig Tech Ltd16734914 · Chigwell · since 22 September 2025Active
- Rilogad Networks Limited16730163 · Basildon · since 19 September 2025Strike-off proposed
- Arb Hunter Limited16730387 · Dorchester · since 19 September 2025Active
- WP Ground Works Services Limited16727540 · Greenford · since 18 September 2025Active
- R.o Railways Ltd16720652 · Barking · since 16 September 2025Active
- BDTH Limited16721084 · Beckenham · since 16 September 2025Active
- Universal Networking Insights Training & Development Limited16716506 · Bury St. Edmunds · since 15 September 2025Active
- Rerb Consulting Ltd16717758 · London · since 15 September 2025Active
- DSG Railways Ltd16712788 · Dunstable · since 12 September 2025Active
- Careg Ltd16709294 · Cardigan · since 10 September 2025Active
- Wreckansignalling LtdSC862368 · Kilmarnock · since 10 September 2025Active
- DTC Business Services Ltd16704745 · Wednesbury · since 9 September 2025Active
- Wray Rail Ltd16705903 · Waterlooville · since 9 September 2025Active
- SJC Business Services WM Ltd16703148 · Wednesbury · since 8 September 2025Active
- Special Luxury Ltd16696971 · London · since 5 September 2025Active