| Business | Phone |
| Air Soil & Water Environmental 1615 Arizona Ave, El Paso 79902 | (915) 533-3344 |
| Efi Inc 4150 Rio Bravo St, El Paso 79902 | (915) 842-9760 |
| Emc Inc 525 Meadow Oaks Ct, El Paso 79932 | (915) 585-2900 |
| Encon International 7307 Remcon Cir # 101, El Paso 79912 | (915) 833-3740 |