| Business | Phone |
| Tec Engineers & Consultants 801 Guadalupe St 101, Laredo 78040 | (956) 791-1220 |
| Tony Ramirez Agriculture Cnslt 2503 Garfield St, Laredo 78043 | (956) 724-3951 |
| Drash Consulting Engineers Inc 615 Gale St B, Laredo 78041 | (956) 729-1100 |
| G G Salinas Engineering Co 5904 West Dr 12, Laredo 78041 | (956) 724-8469 |
| Medina Engineering Inc 3106 Spring Creek Dr, Laredo 78045 | (956) 712-4411 |