Steamhouse India, a Surat-based industrial steam and gas supplier, has initiated the process for an initial public offering (IPO) through a confidential pre-filing route, aiming to raise between Rs 500 crore and Rs 700 crore. Founded in 2014 under the Sanjoo group’s industrial legacy, the company reported Rs 291.71 crore in revenue and Rs 25.97 crore in profit for FY24.