Institutional investors hold a majority ownership of ESI through the 105.11% of the outstanding shares that they control. This interest is also higher than at almost any other company in the Other Consumer Services industry. Last, during the quarter ended March 2013, these large investors purchased a net $603.0 thousand shares.
| Other institutional | 79.33% |
| Mutual fund holders | 25.79% |
| Individual stakeholders | 17.32% |