| Business | Phone |
| Borunda & Assoc Inc 9900 Montana Ave # E, El Paso 79925 | (915) 592-7611 |
| Gonzalo Aguilar Profesonal Eng 481 N Resler Dr # B, El Paso 79912 | (915) 581-5622 |
| Texas Electronics Engineering 500 W Paisano Dr, El Paso 79901 | (915) 577-9044 |
| Rbm Engineering Inc 150 N Festival Dr # A, El Paso 79912 | (915) 584-9934 |