Maruti Suzuki boosts manufacturing of O2 PSA generator plants By IANS | 6 Views Gurugram: Maruti Suzuki plant, Gurugram. (Photo: Bidesh Manna/IANS). Image Source: IANS News New Delhi, May 9 : Maruti Suzuki India Ltd (MSIL) has said that realising the critical importance of rapidly installing Oxygen PSA plants, both to produce life-saving oxygen as well as reduce the immense logistical problems, it it boosting the manufacturing of such plants. In a statement, the company said that these plants are being made by small scale units with very limited resources or ability to scale-up production. We located two companies in the NCR area, Airox Nigen Equipments Pvt Ltd and SAM Gas Projects Pvt Ltd. They were flooded with orders but had a capacity to manufacture only 5-8 plants a month.