This town used to bustle with economic activity in the period from 60s to 80's when the mineral mica processing and export community reaped tremendous gains through exports to the USSR. Since the decline of the USSR however and its split into twelve CIS countries, the industry has slowly declined and is currently ailing.
On the southern side of Giridih, in Beniadih, are the coal mines of Central Coalfields Limited, a subsidiary of Coal India Limited (a Navratna and the world's largest coal miner). It is the largest industry in the Giridih district and major contributor to the economy of the town. Central Coalfields Limited itself is a Miniratna.
The Data Processing Center of Data Processing Division (DPD) of National Sample Survey Office (NSSO) provides complete IT solution from sample selection, software development to processing and tabulation of data canvassed through various socio-economic surveys of National Sample Survey Organisation.
With the formation of new state of Jharkhand and governments' initiative, a lot of small scale industries have come up in Giridih. They all are basically related to metals, the majority of them being Sponge Iron (DRI) Units, Induction Furnaces & Rolling Mills like Lal's, Mongia, Bharat Alloys, Atibir, Sri Ram Steels, Bhardwaj, Salasar, Allied, Shivam Group and Gaurishanker Electrocastings.
Tele-communication
SNo Provider Technology
1 BSNL Landline, GSM & CDMA
2 Reliance GSM &
