The Gross Margin of Environmental Infrastructure Holdings Corp (EIHC) is 4705.52%.
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 |
|---|---|
| 2011-12-31 | 4705.52% |
| 2010-12-31 | 42.61% |
| 2009-12-31 | 27.58% |
| 2009-09-30 | 34.27% |
| 2008-09-30 | 37.44% |
| 2007-09-30 | 18.28% |
| 2006-09-30 | 33.33% |
| 2005-09-30 | 16.67% |