| Business | Phone |
| Crane Engineering Corp 5810 San Bernardo Ave 380, Laredo 78041 | (956) 712-1996 |
| Rathmell & Gilpin 1520 Corpus Christi St # 2, Laredo 78040 | (956) 753-0168 |
| Sanchez Engineering Inc 524 Merlin Rd, Laredo 78041 | (956) 723-5578 |
| Sherfey Engineering Co Llc 104 Del Ct 400, Laredo 78041 | (956) 791-3511 |
| Porras Engineering 304 E Calton Rd B, Laredo 78041 | (956) 724-3097 |
| Foster Engineering Co 1004 E Hillside Rd, Laredo 78041 | (956) 723-3451 |
| Howland Surveying Co Inc 7615 N Bartlett Ave, Laredo 78041 | (956) 722-4411 |
| Juarez Engineering Co 5415 Springfield Ave 1b, Laredo 78041 | (956) 725-0406 |
| Mejia Engineering Co 1202 Houston St 200, Laredo 78040 | (956) 725-5057 |