| RP | 
           | 
           | 
           | 
        
        
          | Fordson | 
            | 
            | 
            | 
        
        
          | SFAC | 
           Societe des Forge et Atilers | 
          Cruseot, France | 
           | 
        
        
          | ?uro | 
          ?uro ?akovi?, Industrija Lokomotiva | 
          Slavonski Brod, Yugoslavia | 
           | 
        
        
          | Skoda | 
          . | 
            | 
           | 
        
        
          | U23A | 
          23 August Works | 
          Bucharest, Romania | 
           | 
        
        
          | Strüver | 
          Ad. Strüver AG, Aggregatebau | 
          Hamburg, Germany | 
           | 
        
        
          | Ageve | 
          Ageve | 
          Sweden | 
           | 
        
        
          | AK | 
          Alan Keef Ltd | 
          Bampton, Oxford & Lea Lines, Hereford & Worcs, Great Britain | 
           | 
        
        
          | AEG | 
          Allgemeine Elektricitätsgesellschaft | 
          West Berlin, Germany | 
           | 
        
        
          | ALCo | 
          American Locomotive Company | 
          Schenectady, NY, USA | 
           | 
        
        
          | AB | 
          Andrew Barclay, Sons & Co Ltd | 
          Caledonia Works, Kilmarnock | 
           | 
        
        
          | ABL | 
          Antonio Badoni | 
          Lecco, Italy | 
           | 
        
        
          | Jung | 
          Arn Jung Lokomotivfabrik GmbH | 
          Jungenthal, Gremany  | 
           | 
        
        
          | ABB | 
          Asea Brown Boveri Ltd | 
          Zurich, Switzerland | 
           | 
        
        
          | AEI | 
          Associated Electrical Industries Ltd | 
          Trafford Park, Manchester, Great Britain  | 
           | 
        
        
          | Atlas | 
          Atlas Car & Manufacturing | 
          Cleveland, Ohio, USA | 
           | 
        
        
          | AE | 
          Avonside Engine Co Ltd. | 
          Bristol | 
           | 
        
        
          | BgE | 
          Baguley (Engineers) Ltd | 
          Shobnall Roaf Works, Burton on Trent, Great Britain | 
           | 
        
        
          | Bg | 
          Baguley Cars Ltd, Shobnal | 
          Shobnall Roaf Works, Burton on Trent, Great Britain | 
           | 
        
        
          | BaLW | 
          Baldwin Locomotive Works | 
          Philadelphia, USA | 
           | 
        
        
          | BLW | 
          Banaras Locomotive Works | 
          Varanasi, UP, India | 
          Formerly DLW (Diesel Locomotive Works) | 
        
        
          | Barr | 
          Barr, Morrison & Co | 
          Kilmarnock, Great Britain | 
           | 
        
        
          | Ajm | 
          BBCIR, Ajmer Works | 
           Ajmer, Rajasthan, India | 
           | 
        
        
          | BEC | 
          Bedford Engineering Co | 
          Bedford, Great Britain | 
           | 
        
        
          | Bedia  | 
          Bedia Maschinenfabrik GmbH & Co. KG  | 
          Bonn, Germany | 
           | 
        
        
          | BP | 
          Beyer, Peacock & Co Ltd | 
          Gorton Works, Manchester | 
           | 
        
        
          | BHEL | 
          Bharat Heavy Electricals Limited | 
          India | 
           | 
        
        
          | BSL ELW | 
          Bhusawal Electric Loco Workshops | 
          Bhusawal, Central Railway, India | 
          BSL ELW undertake assembly of some WAG-9s from CLW kits [2012] | 
        
        
          | BH | 
          Black, Hawthorn & Co Ltd | 
          Gateshead | 
           | 
        
        
          | Borsig | 
          Borsig Lokomotiv-Werke GmbH | 
          Berlin-Hennigsdorf, Gremany  | 
           | 
        
        
          | BEV | 
          British Electric Vehicles Ltd | 
          Southport, Great Britain | 
           | 
        
        
          | Brook | 
          Brookville Locomotive Works | 
          Pennsylvania, USA | 
           | 
        
        
          | BBC | 
          Brown Boveri & Co | 
          Germany | 
           | 
        
        
          | BN | 
          Brugeoise & Nivelles | 
          Belgium | 
           | 
        
        
          | BBT | 
          Brush Bagnall Traction Ltd | 
          Falcon Works, Loughborough, Great Britain | 
           | 
        
        
          | Cammel | 
          Cammel Laird | 
          Birkenhead, UK | 
           | 
        
        
          | CLC | 
          Canadian Locomotive Works | 
          Kingston, Canada | 
           | 
        
        
          | Parel | 
          Central Railway Loco Workshop, Parel | 
          Parel, Mumbai, India | 
          It began life as the Parel workshops of the BBCIR. It carries out Periodic overhaul of DC and AC/DC locos (from CR and WR), and Alco diesel locos. They also have facilities to repair emergency equipment such as the 140-ton cranes. Many locos from other zones come here for high-end repairs. Neral-Matheran NDM-6 locos and some CR ZDM locos come here for POH. One of the really old loco workshops; earlier specialized in the 1.5kV DC locos of the Mumbai area. Workshop now assembles WDG-3A locos which have been sent in kit form by DLW. | 
        
        
          | Centri | 
          Centriline Ltd | 
          Ghatokpar Workshops, Bombay, Maharastra, India | 
           | 
        
        
          | CKD | 
          Ceskomoravska-Koblen-Danek A Sp | 
          Prague, Czechoslovakia | 
           | 
        
        
          | CMFT | 
          Changa Manga Forest Tramway Workshops | 
          Changa Manga Punjab and Pakistan, India and Pakistan | 
           | 
        
        
          | CKM | 
          Changzhou Kate Mining Machinery Engineering Co Ltd | 
          Changzhou, China | 
           | 
        
        
          | CLW | 
          Chittaranjan Locomotive Works | 
          Chittaranjan, WB, India | 
           | 
        
        
          | Schöma | 
          Christoph Schottler Maschinenfabrik GmbH | 
          Diepholz, Gremany | 
           | 
        
        
          | Chrz | 
          Chrzanow | 
          Poland | 
           | 
        
        
          | Charz | 
          Chrzanow | 
          Poland | 
           | 
        
        
          | CE | 
          Clayton Equipment | 
          Hatton, Derby, Great Britain | 
           | 
        
        
          | Corp | 
          Corpet Louvet | 
          La Courneuve, France | 
           | 
        
        
          | Wkm | 
          D Wickham & Company Ltd | 
          Ware, Great Britain  | 
           |