National Oxygen Ltd. (BSE: 507813) is a Chennai, Tamil Nadu-based company in the Industrial & Medical Gases industry. With a market capitalisation of ₹29 Cr, it ranks #4,290 by market cap among the 6,137 Indian listed companies on FinBizNet, and #6 of 8 in Industrial & Medical Gases. At ₹57.12 (as of 25 Oct 2026), the share price is 56.9% below its 52-week high of ₹132.50 and 34.4% above its 52-week low of ₹42.50. The share price is down 48.9% over one year and up 5.4% over three months.
| Current Price | ₹57.12 |
|---|---|
| Market Cap | ₹29 Cr |
| BSE Code | 507813 |
| Sector | Materials > Chemicals > Gases |
| Sub-Industry | Industrial & Medical Gases |
| P/E Ratio | 16 |
| Return on Equity | -26.02% |
| Return on Assets | -10.26% |
| 52-Week Range | ₹42.50 – ₹132.50 |
| 1-Year Price Change | -48.9% |
| 3-Month Price Change | +5.4% |
| Beta (1Y) | 0.8 |
| Dividend Yield | 0.00% |
| Headquarters | Chennai, Tamil Nadu |
| Website | www.nolgroup.com/nol |
National Oxygen Limited engages in the manufacture and sale of industrial gases in liquid and gaseous forms in India. It offers liquid and gaseous oxygen, nitrogen, and medical oxygen, as well as dissolved acetylene gas. The company was incorporated in 1974 and is based in Chennai, India.
1. Industrial Gases-This segment engages in the manufacturing and trading of industrial gases, such as oxygen and nitrogen. 2. Windmill - Discontinued Operations-This segment generates energy through windmills. 3. Corporate Assets-0 4. Segment Adjustment-0
1. Industrial Gases-100%
| Company | Market Cap | P/E | ROE | Latest Qtr Revenue | 1Y Change |
|---|---|---|---|---|---|
| Linde India Ltd | ₹52,853 Cr | 93.5 | 13.58% | ₹694 Cr | -7.3% |
| Ellenbarrie Industrial Gases Limited | ₹4,778 Cr | 43.5 | 10.68% | ₹99 Cr | -34.3% |
| Steamhouse India Limited | ₹3,617 Cr | 75.5 | — | ₹129 Cr | — |
| Stallion India Fluorochemicals Limited | ₹2,438 Cr | 38.6 | 8.93% | ₹121 Cr | -55.8% |
| Hilltone Software and Gases Ltd | ₹51 Cr | — | — | — | -40.6% |
| National Oxygen Ltd. | ₹29 Cr | 16 | -26.02% | — | -48.9% |
| Bhagwati Oxygen Ltd | ₹10 Cr | 2.7 | 58.24% | — | -22.2% |
| The Southern Gas Limited | ₹0 Cr | 0 | — | — | 0.0% |
Listed by market capitalisation. Ratios are shown for context only.
National Oxygen Ltd. is trading at ₹57.12, with a market capitalisation of ₹29 Cr.
National Oxygen Ltd. operates in the Materials > Chemicals > Gases space (Industrial & Medical Gases).
National Oxygen Ltd. has a P/E of 16 and a return on equity of -26.02%.
National Oxygen Ltd. is listed on the BSE under the scrip code 507813.
National Oxygen Ltd.'s share price is down 48.9% over one year and up 5.4% over three months. Its 52-week range is ₹42.50 to ₹132.50.
Data as of 25 Oct 2026. Descriptive market data only — not investment advice.