| Business | Phone |
| Acosta Engineering 3300 Montana Ave, El Paso 79903 | (915) 565-5451 |
| Barrett Refrigeration Co 8517 Darlina Dr, El Paso 79925 | (915) 779-6587 |
| Brown & Caldwell 700 N Stanton St # 210, El Paso 79902 | (915) 545-4400 |
| Camp Dresser & Mc Kee Inc 4110 Rio Bravo St, El Paso 79902 | (915) 544-2340 |
| Cea Engineering Group 1204 Montana Ave, El Paso 79902 | (915) 544-5232 |
| Dpe Consulting 1648 Bessemer Dr, El Paso 79936 | (915) 593-0412 |
| Dyncorp Acsc Co 8201 Lockheed Dr # 211, El Paso 79925 | (915) 775-0003 |
| Electrosystems Engineers Inc 4100 Rio Bravo St # 200, El Paso 79902 | (915) 587-7902 |
| Em Consulting Engineers 1155 Westmoreland Dr, El Paso 79925 | (915) 781-2529 |
| Essco Engineering & Surveying 2150 Trawood Dr # B211, El Paso 79935 | (915) 594-7343 |
| Global 5005 N Piedras St, El Paso 79920 | (915) 565-1926 |
| Hardin Technology Consulting 350 N Festival Dr # 1705, El Paso 79912 | (915) 584-0346 |
| Henry K Ng Consulting Engrs 5825 Onix Dr, El Paso 79912 | (915) 833-2100 |
| Jal Roof Consulting 805 Marimba Dr, El Paso 79912 | (915) 587-8535 |
| Willis R Bean & Assoc Inc 300 E Main Dr # 1408, El Paso 79901 | (915) 533-6223 |
| Systems Design Intl 7500 Viscount Blvd, El Paso 79925 | (915) 778-2100 |
| Technical Strategies Inc 2525 Richmond Ave, El Paso 79930 | (915) 562-3616 |
| Psi 4601 Ripley Dr, El Paso 79922 | (915) 584-1317 |
| Miratek Corp 8201 Lockheed Dr # 218, El Paso 79925 | (915) 772-2852 |
| Mixer Engineering Inc 6712 Mesa Grande Ave, El Paso 79912 | (915) 584-4450 |
| Mesa & Assoc 718 Myrtle Ave, El Paso 79901 | (915) 532-7373 |