| 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 |  |