Dhruv Consultancy Services Limited

Ircon International LimitedIRCON · ConstructionNew Delhi, India

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Ircon International Limited, originally known as Indian Railway Construction Company Limited, is a global construction and engineering firm established in 1976 and headquartered in New Delhi, India. Operating across India and internationally, often through its subsidiaries, the company delivers a wide array of infrastructure development services. Its primary focus is on railway infrastructure, where it specializes in constructing new railway lines, rehabilitating and converting existing networks, and building station facilities, bridges (including regirdering), tunnels, and advanced signaling, telecommunication, and electrification systems. Ircon also engages in the wet leasing of locomotives and sets up complete production units for rolling stock, maintenance depots, concrete sleepers, and other track components on a turnkey basis. Beyond the railway sector, the company's civil engineering capabilities extend to the construction of roads, highways, and flyovers. It undertakes diverse building projects, including commercial, institutional, industrial, and residential complexes, as well as specialized structures like airport hangers, hospitals, business centers, and various workshop and warehouse facilities. Furthermore, Ircon provides comprehensive electrification services, delivers turnkey solutions for signaling and communication projects, and supplies essential equipment such as workshop plant and machinery, high-speed lightweight passenger cars, and diesel-electric locomotives. The company also offers leasing and maintenance services for diesel locomotives.

Headquartered in Gurugram, India, Semac Construction Ltd. is an established firm, incorporated in 1962, that delivers comprehensive services spanning design, engineering, procurement, construction, and consultancy for commercial and industrial projects across India. The company operates as a versatile contractor and engineering consultant, encompassing civil, mechanical, process, and general engineering specializations. Its expertise extends to architectural, structural, mechanical, electrical, plumbing (MEP), and fire suppression systems, complemented by robust project management offerings. Beyond its core contracting work, Semac actively undertakes the development, construction, maintenance, operation, ownership, and transfer of a wide array of infrastructure facilities. These include residential housing, transportation networks (roads, highways, bridges, airports, rail systems), and essential utilities like water supply, irrigation, water treatment, and solid waste management systems, alongside inland waterways and related ventures. The company, formerly known as Semac Consultants Limited, is scheduled to adopt the name Semac Construction Limited in May 2025.

Operating within China, China Design Group Co., Ltd. specializes in delivering comprehensive engineering survey and design solutions. The company's extensive service portfolio covers a wide array of areas, including conceptualization and investigative design, railway network planning and infrastructure development, environmental protection measures, and end-to-end engineering general contracting with thorough inspection services. Furthermore, their offerings extend to integrated development, strategic planning and expert engineering consultation, robust research and development initiatives, quality assurance through testing and monitoring, meticulous project management, specialized construction activities, and ongoing post-completion support. Established in 1966, the organization was originally known as Jiangsu Province Communications Planning and Design Institute Limited Company until it officially adopted its current designation, China Design Group Co., Ltd., in July 2016. Its primary operational base is located in Nanjing, People's Republic of China.

ArchNova Structures provides integrated architecture, engineering, and construction management services for commercial, residential, and infrastructure projects. The company serves clients by delivering design and build solutions, including structural engineering, urban planning, interior architecture, and health, safety, and compliance management.

China Aluminum International Engineering Corporation Limited operates as a technology, engineering service, and equipment provider in the nonferrous metals industry in the People’s Republic of China and internationally. The company operates through three segments: Engineering Survey, Design and Consultancy; Engineering and Construction Contracting; and Equipment Manufacturing. The Engineering Survey, Design and Consultancy segment engages in mining, ore dressing, smelting, and material processing activities in the non-ferrous metal industry; geological survey and building construction activities in the construction industry; and engineering design activities in energy, chemical and environmental protection, etc. The Engineering and Construction Contracting segment provides engineering and construction contracting services for metallurgy, transportation, housing construction, highways, building materials, electricity, water conservancy, municipal utilities, steel structures, aluminum, chemical, mining, and other fields. The Equipment Manufacturing segment is involved in the research, development, and manufacture of customized metallurgical and processing equipment, environmental protection equipment, mechanical and electronic equipment, industrial automation systems, and mine safety monitoring and emergency response intelligence systems for use in mining, ore dressing, smelting, and metal material processing areas. It engages in technical development and design consultancy activities. The company was founded in 2003 and is headquartered in Beijing, the People’s Republic of China. China Aluminum International Engineering Corporation Limited is a subsidiary of Aluminum Corporation of China Limited.

China Aluminum International Engineering Corporation Limited operates as a technology, engineering service, and equipment provider in the nonferrous metals industry in the People's Republic of China and internationally. The company operates through three segments: Engineering Survey, Design and Consultancy; Engineering and Construction Contracting; and Equipment Manufacturing. The Engineering Survey, Design and Consultancy segment engages in mining, ore dressing, smelting, and material processing activities in the non-ferrous metal industry; geological survey and building construction activities in the construction industry; and engineering design activities in energy, chemical and environmental protection, etc. The Engineering and Construction Contracting segment provides engineering and construction contracting services for metallurgy, transportation, housing construction, highways, building materials, electricity, water conservancy, municipal utilities, steel structures, aluminum, chemical, mining, and other fields. The Equipment Manufacturing segment is involved in the research, development, and manufacture of customized metallurgical and processing equipment, environmental protection equipment, mechanical and electronic equipment, industrial automation systems, and mine safety monitoring and emergency response intelligence systems for use in mining, ore dressing, smelting, and metal material processing areas. It engages in technical development and design consultancy activities. The company was founded in 2003 and is headquartered in Beijing, the People's Republic of China. China Aluminum International Engineering Corporation Limited is a subsidiary of Aluminum Corporation of China Limited.