Compare
Comstock Inc. vs TOMI Environmental Solutions, Inc. vs Tantech Holdings Ltd vs LanzaTech Global, Inc.
| Latest fiscal year | Comstock Inc. LODE | TOMI Environmental Solutions, Inc. TOMZ | Tantech Holdings Ltd TANH | LanzaTech Global, Inc. LNZA |
|---|---|---|---|---|
| Year ended | 2025-12-31 | 2025-12-31 | 2025-12-31 | 2025-12-31 |
| Revenue | $1.55M | $5.64M | $38.36M | $55.84M |
| Revenue growth (YoY) | -48.5% | -27.2% | -10.7% | +12.6% |
| Gross margin | -69.1% (computed) | 54.6% | 18.6% | n/a |
| Operating margin | n/m | -68.4% | -31.8% | -141.7% |
| Net margin | n/m | -66.5% | -80.9% | -87.7% |
| Net income | -$43.08M | -$3.75M | -$31.02M | -$48.95M |
| EPS (Diluted) | -$1.17 | -$0.19 | -$13.64 | -$22.27 |
| Operating cash flow | -$24.39M | -$1.20M | -$5.79M | -$64.85M |
| Free cash flow | n/a | -$1.20M | -$5.79M | -$66.11M |
| Cash & equivalents | $16.95M | n/a | $33.02M | $13.16M |
| Total assets | $169.60M | $7.03M | $123.97M | $100.21M |
| Total liabilities | $58.70M | $6.45M | $13.63M | $90.93M |
| Shareholders' equity | $107.58M | $588.5K | $110.35M | -$3.89M |
| Return on year-end equity | -40.0% | -637.0% | -28.1% | n/a |
| Shares outstanding | 51.85M | 20.28M | n/a | 2.32M |
Revenue, most recent five fiscal years
| Fiscal year | Comstock Inc. | TOMI Environmental Solutions, Inc. | Tantech Holdings Ltd | LanzaTech Global, Inc. |
|---|---|---|---|---|
| Latest | $1.55M Ended 2025-12-31 | $5.64M Ended 2025-12-31 | $38.36M Ended 2025-12-31 | $55.84M Ended 2025-12-31 |
| 1 year earlier | $3.02M Ended 2024-12-31 | $7.74M Ended 2024-12-31 | $42.94M Ended 2024-12-31 | $49.59M Ended 2024-12-31 |
| 2 years earlier | $1.27M Ended 2023-12-31 | $7.35M Ended 2023-12-31 | $44.63M Ended 2023-12-31 | $62.63M Ended 2023-12-31 |
| 3 years earlier | $178.2K Ended 2022-12-31 | $8.34M Ended 2022-12-31 | $52.97M Ended 2022-12-31 | $37.34M Ended 2022-12-31 |
| 4 years earlier | $862.2K Ended 2021-12-31 | $7.75M Ended 2021-12-31 | $55.26M Ended 2021-12-31 | n/a |