3M Electro and Communication India Private Ltd.

ABB Ltd.

Adani Power Ltd

Aditya Birla Group (Grasim Industries Ltd. & Ultratech Cement Ltd.)

Airports Authority of India

Avenue Supermarts Ltd. (DMart)

Bharat Petroleum Co. Ltd.

Brihanmumbai Municipal Corporation

Central Public Works Department (CPWD)

Central Railway zone

Chhattisgarh State Power Distribution Company Ltd.

Crompton Greaves Ltd.

GlaxoSmithKline Pharmaceuticals Ltd. (GSK)

Goa Electricity Department

Hindustan Aeronautics Limited (HAL)

Hindustan Petroleum Corporation Ltd.

Hindustan Unilever Ltd.

Indian Institute of Technology (IIT) Bombay

Indian Oil Corporation Ltd

Infosys Ltd.

Jawaharlal Nehru Port Trust (JNPT)

JSW Group (JSW Jaigarh Port Limited & JSW Steel Ltd.)

Lata Mangeshkar Medical Foundation

Lokmat Media Pvt. Ltd.

Madhya Gujarat Vij Company Limited

Madhya Pradesh Madya Kshetra Vidyut Vitaran Co. Ltd.

Madhya Pradesh Metro Rail Corporation Ltd.

Madhya Pradesh Pashchim Kshetra Vidyut Vitaran Co. Ltd.

MacBrout Engineering Pvt. Ltd.

Mahindra and Mahindra Ltd.

Maharashtra State Electricity Transmission Co. Ltd.

Marine Electricals (I) Ltd.

Maruti Suzuki India Ltd.

North Delhi Power Ltd.

PepsiCo (I) Ltd.

Piaggio Vehicles Pvt. Ltd.

Reliance Industries Ltd.

Schneider Electric (I) Pvt. Ltd.

Siemens Ltd.

Skoda Auto Volkswagen India Pvt. Ltd.

Suzlon Energy Ltd.

Tata Power Company Ltd.

Torrent Power Ltd.

TUV India Pvt. Ltd.

West Bengal State Electricity Distribution Company Ltd.

Yamazaki Mazak India Pvt. Ltd.