Diamond Power Infrastructure Ltd is an Integrated Power Transmission and Distribution services provider and equipment manufacturer. The company delivers comprehensive solutions in turnkey services in T&D, manufacture's Power Cables upto 550KV, Power & Distribution Transformers upto 220KV, Transimission and Distribution Conductors upto 765KV and Transmission Towers.

The company's businesses include cables and conductors, transformers and EPC projects. Their product portfolio includes power and control cables, specialty cables, transmission and distribution conductors, and power and distribution transformers. They are having a subsidiary, namely Diamond Power Transformers Ltd.

The company cables are sold under the brand name 'DICABS' and they are preferred by a spectrum of utilities like Refineries, Cement Plants, Power Plants, Engineering Industries, Pharmaceutical units among several others and are also sold through a large dealer network.

Diamond Power Infrastructure Ltd was formally created and deployed as a legal entity in the year 1992. In the year 1994, the company created and deployed a small LT power cables manufacturing facility at Vadadala, Gujarat, in a bid to extend their Conductors Business. During the year 1999-2000, the company commenced commercial production of their backward integration cum expansion unit at Vadadala, Salvi, Gujarat to manufacture Aluminium and Alloy Wire rods. Also, they commenced production at their Silvassa plant.

During the year 2004-05, the company increased the production capacity of Aluminum Alloy & ACSR Conductors by 18350 MTPA to 45000 MTPA. During the year 2005-06, they further increased the production capacity of Aluminum Alloy & ACSR Conductors by 5500 MTPA to 50500 MTPA.

During the year, the company formally introduced their power business in collaboration outsourcing with two key facilities in Himachal Pradesh and Rajasthan. The company formally introduced an entire range of House Wires, Multi-core Flexibles, Panel Wires, CAT Cables and various types of Security Cables.

In August 2006, the company ventures in EPC Contracts (Turnkey Contracts) under Government of India sponsored RGGVY to reach free electricity to the people below poverty line. In March 2007, the company executed a strategic acquisition of Western Transformers and in July 2007, they executed a strategic acquisition of Apex Electricals Ltd, which had the combined capacity of 15,000 MVA.

During the year 2008-09, the company undertook EHV Cables, LT Cables and Transmission Line Project. In July 2008, the company commenced commercial production of HT Cables upto 132 KVA with a capacity of 2800 km with all imported plants from the Germany.

The company has broadened its footprint HT cables line of 2500 km line along with an LT cables of over 25000 km, which is about to start production. They are also putting up plant to manufacture Extra High Voltage Plant 132 KVAs to 400 KVAs with an installed capacity of 2000 km per annum.

The company has also planned to put a plant for manufacture of Extra High Voltage Cables 132 KVAs to 400 KVAs. Also, they further propose to put-up a Greenfield product for manufacture of Transmission Towers and expand the present capacity of LT cables. The new facilities are proposed to be created at the existing site located at Village Vadadala, Taluka Savli, Vadodara.