| Business | Phone |
| Safety Consultant Svc Inc 2904 S Main St, Los Angeles 90007 | (213) 748-9444 |
| Hasson Enterprises 3540 Wilshire Blvd # 632, Los Angeles 90010 | (213) 384-0831 |
| Indeep International 10327 Missouri Ave # 201, Los Angeles 90025 | (310) 556-8811 |
| Environmental Outsource Inc 6055 E Washington Blvd # 360, Los Angeles 90040 | (323) 728-4492 |
| Smith System Inc 5327 Overdale Dr, Los Angeles 90043 | (323) 291-1811 |