Various big companies have established their headquarters here. Few of them are NHPC, JCB, ABB, Escorts, Yamaha etc. There are some IT Companies also like Damco Solutionas, Abacus Softech, etc. who established their database centres here. Faridabad is a massive economic engine of Haryana. Faridabad generates over 50% of the income tax for the Haryana government.
Agriculture

Faridabad was earlier famous for Mehandi production. Today also Faridabad’s Mehndi is renowned all over the world. Its annual turnover is more than 500 crores. Wheat was grown in Faridabad before but the agriculture has moved towards the villages of Haryana as Faridabad saw a boom in the population in the early 90s. Almost all of the agricultural land has been taken over by residential housing and by property dealers.
Central government offices

Faridabad has benefited from plans of Union Government to decongest Delhi by shifting a number of Central Government Offices to Faridabad. Many directorates of different union government ministries are headquartered in Faridabad. The prominent among them are Central Ground Water Board, Department of Plant Quarantine and Central Insecticide Lab. A number of Union Government Offices from Haryana are based here such as Commissioner of Central Excise within Department of Revenue, Government of India, Department of Explosives, Department of Labour, etc. The Apex Central Training Institute of the Department of Revenue, Government of India, National Academy of Customs Excise & Narcotics is located at Sector 29. This has started functioning from this campus in 1996.
Manufacturing

Faridabad is the industrial capital of India. It is home to hundreds of large-scale companies like Lafarge, Shova, Imperial Auto Ltd., Birla VXL, elofic filters, Star Wire India Limited, JCB, Escorts group, Yamaha, Knorr Bremse, ACE-cranes, ABB, GoodYear, ACC, NHPC Ltd, IndianOil (R&D), Whirlpool, Havell’s, L&T, Bhartia cutler hammer / BCH Electric Ltd www.bchindia.com, Mahindra Defence, Frick India Ltd., Orient Fans, Talbros, Bharat Gears, Clutch Auto, Hyderabad Industries, Lakhani shoes, Khaitan, Marathon Electric India Private Limited, JBM Group, Tecumseh, SPL,Norisys,Superflame,Hemla,Pooja forge,glen appliances,Wings automotives,Richa knit,Bony Rubber,Hitkari Udyog,Hindustan vacuum glass,Thomson press,Shahi exports, and many more.

It is also a hub of 50,000 small-scale industries, mostly mechanical and light engineering goods industries.