| Business | Phone |
| Actus Resource 121 W Whittier Blvd # 2, La Habra 90631 | (562) 690-8121 |
| Smyth Investigation Svc 730 N Main St, La Habra 90631 | (562) 266-1990 |
| Smyth Investigations Po Box 791, La Habra 90633 | (562) 266-1990 |
| Excaliber Investigations 1440 Hillandale Ave, La Habra 90631 | (562) 697-6747 |