| Business | Phone |
| 16 Minute Smog 13535 Inglewood Ave, Hawthorne 90250 | (310) 676-3342 |
| Econo Complete Auto 13332 Prairie Ave, Hawthorne 90250 | (310) 679-6429 |
| Firestone Tire & Svc Center 12600 Hawthorne Blvd, Hawthorne 90250 | (310) 679-0191 |
| Hawthorne's Test Only 3222 W Rosecrans Ave, Hawthorne 90250 | (310) 263-1709 |
| Smog & Muffler 11800 Inglewood Ave, Hawthorne 90250 | (310) 644-2434 |
| Smog Express Test Only 13113 Inglewood Ave, Hawthorne 90250 | (310) 644-5361 |
| Smog Guys 11987 Hawthorne Blvd, Hawthorne 90250 | (310) 978-4400 |
| Smog Station 13435 Prairie Ave # A, Hawthorne 90250 | (310) 676-8130 |
| Redondo Smog 13737 Hawthorne Blvd, Hawthorne 90250 | (310) 644-9099 |