Prime Industries is a financial holding company that spent three decades trading securities and managing real estate before embarking on a high-stakes transformation into heavy engineering. Beginning in 2023, it started buying controlling stakes in manufacturers that build custom equipment for nuclear reactors, missile launchers, and food processing plants - a pivot from a lean office with fewer than ten employees to owning factory floors across two states. The recurring approach is acquisition: it finds specialised engineering firms, takes a controlling or significant minority stake, and uses its listed-company platform to fund their expansion and working capital.
Business segments
Three engines at different stages - a legacy financial trading desk, a heavy-engineering associate serving defence and nuclear industries, and a newly acquired manufacturing subsidiary with an order book across waste management, food processing and defence fabrication - each built by acquiring what the company could not build itself.
1. Investment and trading in securities: the legacy cash engine
A proprietary trading book that buys and sells shares, bonds and mutual funds - the financial muscle that funded the company's pivot into manufacturing.
- Trades its own book, not client money - the company buys and sells equity shares, mutual funds and bonds for its own account, generating gains that have historically covered operating costs and provided capital for acquisitions.
- Real estate adds a second layer - it leases out investment property and trades land, creating a rental income stream alongside trading gains, though the property portfolio is managed with the same lean team that runs the securities book.
- The cash engine behind the pivot - proceeds from this segment funded the Rs. 2.46 crore initial payment for the Kay Bouvet stake in 2023 and the Rs. 2.04 crore acquisition of Linga Agri in 2025, making it the financial backbone of the industrial transformation.
2. Kay Bouvet Engineering: heavy engineering for strategic industries
A manufacturer of custom-built equipment for nuclear power plants, defence contractors and sugar mills - where every order is a one-off design, not a standard product.
- Makes machines that cannot be bought off the shelf - Kay Bouvet designs and fabricates pressure vessels, heat exchangers and process equipment for nuclear, aerospace and defence customers, where each unit is built to the buyer's specifications and certified for its specific use.
- Sugar and bio-energy provide the base load - alongside strategic-sector work, the company manufactures machinery for sugar mills, ethanol plants and paper factories, giving it a steady stream of orders from process industries that need equipment replaced or expanded.
- The stake is partly paid - Prime Industries paid Rs. 2.46 crore upfront at Rs. 2.50 per share, with an uncalled liability of Rs. 7.39 crore still to be brought in, meaning the full ownership cost depends on the bank settlement going through.
3. Linga Agri Trading and Machinery: the manufacturing platform
A research-driven factory business that builds waste-processing plants, food machinery and missile-launcher components - and already holds Rs. 100 crore in orders.
- Four business lines under one roof - Linga Agri makes micro-composting centres and material recovery facilities for municipal waste management, coconut and millet processing lines for food companies, coir-extraction and pruning machines for farmers, and fabricates components for defence projects like BEML's mobile missile launchers.
- Project-by-project, tender-by-tender - the company earns revenue by winning work orders and government tenders, then executing them on a contract manufacturing basis, so its pipeline is visible through its order book rather than recurring sales.
- A Rs. 100 crore order book already in hand - as of the latest annual report, Linga Agri had orders worth Rs. 100 crore to deliver by FY26, was bidding for tenders worth Rs. 500 crore, and expected to secure at least Rs. 200 crore in new orders within the first half of the year.
- Three factories across 26,500 square feet - the company's subsidiary Linga Agri Trading & Machinery Pvt Ltd operates three manufacturing units in Coimbatore with a combined floor area of over 26,500 sq. ft.
- Acquired for control at Rs. 2.04 crore - Prime Industries bought a 50.001% stake in May-July 2025, making Linga Agri a subsidiary and giving it a consolidated manufacturing presence for the first time, with no prior connection between the two companies' promoters.
Group structure and partners
A listed holding company with one subsidiary and one associate, controlled by the Master Trust Group and run by a tight circle of related-party directors.
- Part of a financial-services network - the company belongs to the Master Trust Group, founded in 1985 by director Harjeet Singh Arora, and has historically transacted with over twenty related entities spanning insurance broking, stock broking, real estate and commodity services.
- Listed on BSE, exiting Calcutta - the shares trade on BSE under the symbol PRIMIND and are held in demat form through NSDL and CDSL, while the company has applied to voluntarily delist from the Calcutta Stock Exchange.
- Warrants have funded the transformation - the company raised capital by issuing 53.5 lakh convertible warrants at Rs. 13 each in July 2023 (converted into equity in January 2025) and a further 17.25 lakh warrants at Rs. 210 each in May 2024, bringing in the cash needed for its acquisitions.