| Business | Phone |
| Pro Mark Investigative Svc 15760 Ventura Blvd, Encino 91436 | (818) 981-7474 |
| A & E Detective Group Inc 16027 Ventura Blvd # 605, Encino 91436 | (818) 990-1499 |
| Alpha Detective Agency 16055 Ventura Blvd # 630, Encino 91436 | (213) 387-1192 |
| America's Choice Investigation 16255 Ventura Blvd # 510, Encino 91436 | (818) 784-3600 |
| Ameritek Id 16161 Ventura Blvd # 222, Encino 91436 | (818) 995-3011 |
| Missing Children Investigation Encino 91436 | (818) 382-1999 |
| Nazarian & Assoc Investigation 16255 Ventura Blvd, Encino 91436 | (818) 728-1717 |
| Salerno & Scully Investigation 16633 Ventura Blvd # 900, Encino 91436 | (818) 386-9296 |
| Walsh Investigations Encino 91436 | (661) 252-3918 |
| Wayne Investigations Encino 91436 | (818) 784-6944 |
| American Detective 18075 Ventura Blvd, Encino 91316 | (818) 881-3908 |
| Atb Investigations Encino 91316 | (818) 710-1098 |
| Informed Choice 17547 Ventura Blvd, Encino 91316 | (818) 981-9119 |
| Infotek Agency 4924 Balboa Blvd # 458, Encino 91316 | (818) 788-6707 |