| James N Letsos III | President, Chief Executive Officer (HVAC LICENSE: TACLA273C) |
| J. Greg Letsos | Executive Vice President |
| Mark Letsos | Chief Financial Officer, Treasurer |
| Date of Organization | 1953 - Houston, Texas |
| Geographic Work Areas | Texas, Louisiana |
| Number of Employees | 600 - 650 |
| Annual Volume | $230,000,000 - $240,000,000 |
| Bonding | $400,000,000 (Single Project: $200,000,000) |