H Jasvantrai Engineering is a third-generation engineering contractor whose history goes back to 1955, when it was founded as S. Jasvantrai & Co. It works in public health engineering (plumbing) and fire fighting contracting, covering fire fighting systems, fire alarm systems, public address, STP/ETP, solar hot water, pool filtration, O&M works and PHE & fire fighting liaisoning. Its projects include K Raheja Corp Vista NIBM Pune, ITC Maratha, Rustomjee Summit Borivali and Oberoi Realty Eternia Mulund. It is licensed by the Directorate of Maharashtra Fire Services as a fire-fighting installation (licence 2026/RF-343) and detection & suppression (licence 2026/RD-352) agency.