| Business | Phone |
| Unitech Engineering Inc Laredo 5219 Mcpherson Rd 370, Laredo 78041 | (956) 523-0999 |
| Three G Paving 4406 Sanders Ave, Laredo 78041 | (956) 717-0999 |
| Titan Engineering 6108 Mcpherson Rd 9, Laredo 78041 | (956) 728-8585 |
| Geoscience Engineering Inc Laredo 78041 | (956) 753-7500 |