The Gross Margin of Enviro-Serv Inc (EVSV) is N/A.
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 |
|---|---|
| 2012-12-31 | - |
| 2011-12-31 | 26.60% |
| 2010-12-31 | 26.61% |
| 2009-12-31 | 98.30% |