Departments
| Accounting | 214-387-3900 |
| Business Development | 214-387-3900 |
| Commercial Building | 214-387-3988 |
| Estimating | 214-387-3900 |
| Equipment/Shop | 214-387-3900 |
| Human Resources | 214-387-3900 |
| Mining Operations | 214-387-3900 |
| Real Estate Services | 214-387-3900 |
| Safety | 214-387-3900 |
Mario Sinacola & Sons, Excavating, Inc.
10950 Research Rd. | Frisco, TX 75033
Phone: 214.387.3900 | Fax: 214.387.3915
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