Following is the list of some best Electrical Engineering Companies located in India

Companies in Public Sector
Bharat Heavy Electricals Limited (BHEL)
National Thermal Power Corporation (NTPC)
Bharat Electronics Limited (BEL)
Power Grid Corporation of India
Railway Recruitment Board
Indian Army, Indian Navy and Indian Air force
Indian Space Research Organization (ISRO)
Kalpakkam Atomic Power Station
Bharat Earth Movers Limited (BEML)
Cement Corporation of India (CCI)

Companies in Private Sector
Nokia Siemens
Crompton Greaves
Larsen and Toubro (L&T)
Wipro
Philips
Reliance Industries
IBM
HP
Automobile Industries

Electrical components companies
Ace Bimetalliks India Pvt. Ltd.
Aditron India Pvt. Ltd. (Engineering Division)
Admir Ovens
Arvind Anticor Ltd
Asiatic Electronic Industries.
Axis Electrical Components India Pvt. Ltd.
Balar Marketing Pvt. Ltd
Bhartia Industries Limited
Brass Copper & Alloy (I) Ltd.
Brightech Valves and Controls Pvt. Ltd.
Caltech Engineering Services
Color Design India
Consult Techniques (I) Pvt. Ltd
Deki Electronics Ltd.
Elpro International Limited
E S Electronics (India) Pvt. Ltd
Finetech Engineering Corporation
Gayatri Control, Ahmedabad
Gemscab Industries Ltd
Hallmark Electronics
India International House Ltd
Jaykrishna magnetics pvt.ltd
Leotech Group
Maxx Mobile Phone Accessories Pvt. Ltd
Mehta Engineering Enterprise
Mehta Tubes Ltd
Mellcon Engineers
Micromot Controls
Muskaan Engineers
Neelam Import Pvt. Ltd.
Onload Gears
Orton Engineering Pvt. Ltd, Thane
Persang Alloy Industries
PMT Engineers
Powercap Systems (Madras) Pvt. Ltd
Powertek Equipment Company
Pragati Electrocom Pvt. Ltd
Pran Electronics Pvt. Ltd.
Precicraft Components India Pvt. Ltd
Prima Automation India Pvt. Ltd
Rittal India Pvt Ltd
Sanghi Yantra Udyog
SKN - Bentex Group of Companies.
South India Industrial Suppliers
Square Automation Pvt. Ltd
Sudhir Switchgears
Syntron Controls
Torque Master Tools Pvt. Ltd
United Core
Utiliti Controls
valrack modular systems pvt.ltd
Wavetronics
Rane Holdings Limited