SPML Infra 

SPML Infra Limited is an India-based infrastructure development company with a diverse project portfolio. Its operations in the water sector include the management of urban water supply, distribution, and treatment systems, as well as the construction of pumping stations for water supply, irrigation, wastewater, and storm drainage. The company also designs and implements extensive bulk and distribution pipeline networks, along with undertaking civil works like dams, canals, lift and micro-irrigation, and tunneling. In the power domain, SPML Infra handles electricity generation, transmission, and distribution, encompassing the construction of hydro, solar, wind, gas turbine, and thermal power plants, sub-transmission/distribution lines, and substations. They also provide rural electrification and smart energy management solutions. Beyond these, SPML Infra develops a wide array of urban and industrial infrastructure, including bridges, flyovers, industrial facilities, tunnels, special economic zones, various business/technology parks, airports, bus terminals, automated parking, and toll expressways. The firm further offers comprehensive, end-to-end waste management services, covering collection, segregation, transportation, treatment, reusability, processing, and scientific disposal of wastewater and solid waste, alongside sewer rehabilitation. Adding a technological dimension, SPML Infra develops an integrated management information system, a software solution that aids in metering, billing, CRM, network analysis, demand forecasting, asset/inventory management, business intelligence, and overall network operation and maintenance. Incorporated in 1981 and headquartered in Kolkata, India, the company was formerly known as Subhash Projects and Marketing Limited, adopting its current name in April 2010.