Voltas Limited is an engineering, air conditioning

Air conditioning

An air conditioner is a home appliance, system, or mechanism designed to dehumidify and extract heat from an area. The cooling is done using a simple refrigeration cycle...

 and refrigeration

Refrigeration

Refrigeration is a process in which work is done to move heat from one location to another. This work is traditionally done by mechanical work, but can also be done by magnetism, laser or other means...

 company based in Mumbai

Mumbai

Mumbai , formerly known as Bombay in English, is the capital of the Indian state of Maharashtra. It is the most populous city in India, and the fourth most populous city in the world, with a total metropolitan area population of approximately 20.5 million...

, India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

. It makes stuff for industries in areas such as heating, ventilation and air conditioning

Air conditioning

An air conditioner is a home appliance, system, or mechanism designed to dehumidify and extract heat from an area. The cooling is done using a simple refrigeration cycle...

, refrigeration

Refrigeration

Refrigeration is a process in which work is done to move heat from one location to another. This work is traditionally done by mechanical work, but can also be done by magnetism, laser or other means...

, construction equipment, materials handling, water management, building management systems, indoor air quality and chemicals.
The Company was Incorporated on 6th September 1954 at Mumbai. The Company was promoted in 1954 by M/s. Volkart Brothers and Tatas
Voltas is a part of the Tata Group

Tata Group

Tata Group is an Indian multinational conglomerate company headquartered in Mumbai, Maharashtra, India. Tata Group is one of the largest companies in India by market capitalization and revenue. It has interests in communications and information technology, engineering, materials, services, energy,...

. The managing director is Mr. Sanjay Johri. Its shares are traded on the Bombay Stock Exchange

Bombay Stock Exchange

The Bombay Stock Exchange is a stock exchange located on Dalal Street, Mumbai and is the oldest stock exchange in Asia. The equity market capitalization of the companies listed on the BSE was 1.63 trillion as of December 2010, making it the 4th largest stock exchange in Asia and the 8th largest...

 under symbol 500575 with a turnover of 4300 Crore ($920,200,000 USD) in 2008-09.

Voltas provided the air-conditioning for the world's biggest ocean liner, the RMS Queen Mary 2

RMS Queen Mary 2

RMS Queen Mary 2 is a transatlantic ocean liner. She was the first major ocean liner built since in 1969, the vessel she succeeded as flagship of the Cunard Line....

 and also the world's tallest building, the Burj Khalifa.

Voltas have large Service Network. Voltas have own service center in each major city. The List are below:

• Grewal Cooling Solutions, Ludhiana.
• Kool Master, Ram Darbar, Chandigarh.

http://www.moneycontrol.com/stocks/company_info/company_history.php?sc_did=v