BS Limited primarily engages in the engineering, procurement, and construction (EPC) business related to projects and systems for power transmission, distribution, and related activities in India. The company operates through Engineering, Procurement, and Construction; and Trading Business segments. It provides turnkey services in power transmission sector, including the testing and commissioning of transmission lines and substations, as well as the construction of EHV transmission lines and substations; undertakes EPC and turnkey projects; and offers end to end services in designing, testing, commissioning, manufacturing, sourcing, supply, and construction. The company also trades in mineral resources comprising iron ore, coking and non-coking coal, nickel, and manganese products. In addition, it manufactures angular, tubular, and hybrid towers; provides ground-based and roof top tower solutions, roof top poles, and wall mounted poles/monopoles; and offers ancillaries consisting of mounting and foundation hardware products, assortment of clamps and brackets, and materials for tower strengthening, as well as power transmission systems. Further, the company provides various telecom passive infrastructure solutions, including site identification, acquisition and acceptance, designing solutions, product and equipment installation, and maintenance and support; turnkey services; and managed services that comprise breakdown and preventive maintenance, energy and alarm/outage management, security and fuel management, outages sign off, liaison, upgrade management, escalation, and O&M report services. Additionally, it offers environmental management solutions in liquid and solid waste, which include handling and recycling of hazardous waste, e waste, medical, and water and waste water. The company was formerly known as BS TransComm Limited. The company was founded in 2004 and is headquartered in Hyderabad, India.