The Gross Margin of Terra Energy & Resource Technologies Inc (TEGR) is 52.27%.
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 | 
|---|---|
| 2010-12-31 | 52.27% | 
| 2009-12-31 | 36.53% | 
| 2008-12-31 | 100.00% |