Construction of railways and underground railways
SIC code 42120 · 3,935 companies on the UK register list this activity. Newest first.
- Teksun Ltd17308532 · Pinner · since 30 June 2026Active
- Alpha Dez Ltd17309261 · Grays · since 30 June 2026Active
- Larkin Rail Group Ltd17310504 · St. Leonards-On-Sea · since 30 June 2026Active
- KLS Services LtdSC894451 · Glasgow · since 30 June 2026Active
- JCDN Ltd17307805 · Ruislip · since 29 June 2026Active
- Leco Rail Ltd17303408 · Milton Keynes · since 26 June 2026Active
- Barricus Ltd17300225 · Gravesend · since 24 June 2026Active
- Railway Engineering Ltd17293673 · Reading · since 22 June 2026Active
- Neoeng-01 Ltd17295293 · Croydon · since 22 June 2026Active
- Gen-Ix Ltd17292967 · Birmingham · since 21 June 2026Strike-off proposed
- Modus Infrastructure Group Ltd17289685 · London · since 20 June 2026Active
- Igmg Limited17287153 · Mildenhall · since 19 June 2026Active
- MSJ Track Work Ltd17278538 · Northampton · since 17 June 2026Active
- Sherpa Peak Ltd17279039 · London · since 17 June 2026Active
- R&Z Civil Limited17273288 · Gravesend · since 10 June 2026Active
- Ra Infrastructure Limited17266338 · London · since 8 June 2026Active
- Points Fitter Ltd17266618 · Doncaster · since 8 June 2026Active
- Streama 3 Limited17267131 · Doncaster · since 8 June 2026Active
- Ray Power Limited17262766 · London · since 5 June 2026Active
- Alpha Development Solutions Ltd17263949 · Harrow · since 5 June 2026Active
- Andreou Ltd17260847 · Nottingham · since 4 June 2026Strike-off proposed
- Opk Civils Ltd17258609 · London · since 3 June 2026Active
- JM Nicol Services Limited17259680 · Crewe · since 3 June 2026Active
- Allen’s Railway Solutions Limited17251432 · Cirencester · since 31 May 2026Active
- Mercycrown Rail And Construction Ltd17247342 · Manchester · since 28 May 2026Active
- Simpson Specialist Engineering Services Ltd17248612 · Selby · since 28 May 2026Active
- Sura Constructions Ltd17248645 · Hounslow · since 28 May 2026Active
- WMM 90 Limited17242780 · Bedford · since 26 May 2026Active
- Tolbex Limited17234271 · Orpington · since 21 May 2026Active
- Loni Rail Ltd17233574 · Luton · since 20 May 2026Active