ABB

ASEA Brown-Boveri, Switzerland

ALCO

American Locomotive Co., USA

BBUNL

Bharat Bhari Udyog Nigam, Ltd. , Kolkata

BEML

Bharat Earth Movers Limited

BHEL

Bharat Heavy Electricals Limited

BLW

Baldwin Locomotive Works, USA

BP

Beyer Peacock, Manchester

BSCL

Burn Standard Co., Ltd.

BTH

British Thomson Houston

BWEL

Bharat Wagon and Engineering Co., Ltd.

CLW

1. Chittaranjan Loco Works

2. Canadian Locomotive Works

DLW

Diesel Loco Works, Varanasi

ICF

Integral Coach Factory, Perambur

ISW

Indian Standard Wagon Works, Satna

LHB

Linke Hoffman Busch GmbH, Germany

MLW

Montreal Locomotive Works

MV

Metropolitan Vickers

NBL

North British Locomotive Co

RCF

Railway Coach Factory, Kapurthala

TELCO

Tata Engineering and Locomotive Co.

WB

William G. Bagnall, Stafford, UK

WIL

Wagon India Ltd.