The Gross Margin of American Environmental Energy Inc (AEEI) is 22.77%.
Gross Margin represents the percentage of revenue that exceeds the cost of goods sold. It reflects a company's efficiency in producing and selling its products.
| Date | Value |
|---|---|
| 2001-12-31 | 22.77% |
| 2000-12-31 | 29.99% |
| 1999-12-31 | 34.07% |
| 1998-12-31 | 32.58% |
| 1997-12-31 | 36.27% |