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A division of Tata Steel Ltd, Global Wires Business (GWB) is one of the largest steel wire manufacturers in the world with a combined annual manufacturing capacity of 670,000 MT. GWB employs over 2,000 people worldwide and has industrial facilities in India and Thailand - where the business commands the largest market share.

We are the preferred supplier of steel wires across diverse industry segments ranging from construction, automotive and power to general engineering and retail. All our products adhere to global standards, while being tested and approved by international accreditation institutes and labs.


Globally, GWB comprises of the following group companies:

Tata Steel - Global Wires India

The leading producer of steel wires, holding a significant market share of the organised wire market in India, Tata Steel - Global Wires India has world class manufacturing facilities at Tarapur (Mumbai, Maharashtra), Pithampur (Indore, Madhya Pradesh) and at The Indian Steel & Wire Products in Jamshedpur (Jharkhand). We have been the sole supplier of pre-stressed concrete strands used in the construction of precast segments for the landmark 4.7 kms, 8-lane-cable-stayed Bandra-Worli Sea Link project in Mumbai.

The Siam Industrial Wire Co Ltd, Thailand

The Siam Industrial Wire Co Ltd (SIW), Thailand is one of Asia's largest manufacturers of pre-stressed concrete products along with being one of the world's leading steel wire makers. With an annual production of 250,000 metric tonnes, SIW manufactures pre-stressed concrete stands, pre-stressed concrete wires, cold drawn wires, hard drawn wires and welded wire meshes. In 2008, SIW became a part of the Tata Steel Global Wires Business to create synergies amongst all the wires business units around the world which are part of the Tata Steel Group.

Today, the company is a vital partner of many construction masterpieces across the globe. Every product and process offered by the company is in line with the global standards and is accredited by countless international institutes.
To know more visit www.siw.co.th

TSN Wires Ltd, Thailand

TSN Wires Co Ltd. is a joint venture between The Siam Industrial Wire Co Ltd (SIW) and Nichia Steel Works Ltd. Siam Industrial Wire Co, Thailand (SIW), a part of Tata Steel's Global Wires Business entered into a 60:40 Joint Venture with Nichia Steel Works (NSW), Japan to set up a 36,000 MTPA galvanised wires project under the name of TSN Wires. The Company makes high end galvanised wires including galvanised wires for cable stay strands and zinc-aluminium coated wires.

TSN Wires employs state-of-the-art technology from New Zealand which is designed to be among the highest level of environmental sustainability and lowest carbon emission process in the world in the areas of stress relieve annealing process, pickling process, pre-coating process, galvanising process, and zinc coating mass control process.
To know more, visit www.tsnwires.co.th

Indian Steel & Wire Products, India

Established in 1920, The Indian Steel & Wire Products Limited (ISWP), Jamshedpur is one of the first wire drawing plants in India. The Company has two units - a wire unit and a steel roll manufacturing unit. The pioneer in the Rolls industry, ISWPL's Rolls and Casting products are sold under the brand 'JEMCO' in the global market. Spread across 300 acres, the plant at present has an installed annual capacity of 4,500 tonnes with more than 800 employees and has vast holdings which include a township with more than 800 houses, a school, a hospital and a sports complex among others. ISWPL continuously strives to attain leadership through business excellence, while upholding the very values that form an integral part of it. The Company is committed to providing a safe and healthy working environment through TPM (Total Productive Maintenance), Safety Excellence journey & Climate Change initiatives.

The company has received the TPM Excellence Award, TBEM Award, CII HR Excellence awards for its commitment to excellence standards and focused improvements.
To know more, visit www.iswp.co.in