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Tony Yannizzi



Red Hawk Investigation Group, Inc.
14252 Culver Drive
Suite A 736
Irvine CA 92604
United States

Phone: 949-233-5552
Cell Phone: 949-233-5552

PI/PPO License Number: 27986

Specialties: Adoption, Auto, Background Investigations, Child Custody, Civil Investigations, Covert Video, Criminal Investigations, Defense, Domestic, Drugs, Drunk Driving Defense, Insurance, Missing Heirs, Missing Persons, Motorcycle, Mystery Shopping, Personal Injury, Photography, Probate, Process Service, Public Interest Investigations, Surveillance, Trial Preparation, Truck, Undercover, Workers' Comp


CALI Member since: 03/20/2013
CALI District: Orange

Edan Yemini



Black Box Security, Inc.
5311 Topanga Canyon Blvd Ste 200
Woodland Hills CA 91364
United States

PI/PPO License Number: 28955



CALI Member since: 11/05/2015
CALI District: Los Angeles

Jason Yoakum



JAY Investigations
PO Box 390339
Mountain View CA 94041
United States

Phone: 408-656-9114

PI/PPO License Number: 188361

Specialties: Background Investigations, Criminal Investigations, Process Service, Skip Trace, Surveillance


CALI Member since: 07/17/2018
CALI District: San Francisco

Michael Yorks



Mike Yorks Investigations
1438 Lansing Avenue
San Jose CA 95118
United States

Phone: (408) 605-5215
Website: http://

PI/PPO License Number: PI22373

Specialties: Personal Injury


CALI Member since: 02/13/1997
CALI District: San Jose

Robert Young



R.H. Young, Inc.
1442 E. Lincoln Avenue, #105
Orange CA 92865
United States

PI/PPO License Number: 28532

Specialties: Background Investigations, Civil Investigations, Corporate Investigations, Insurance, Missing Heirs, Personal Injury, Probate/Missing Heirs, Process Service, Skip Trace, Surveillance, Workers' Comp

Education and Experience: 20+ years in private investigatons and process serving, licensed as private investigator since 2002.

CALI Member since: 04/28/2018
CALI District: Orange

Paul Young



Chora Young, LLP
2667 East Colorado Boulevard
Suite B
Pasadena CA 91107
United States

Phone: (626) 744-1838
Website: http://

PI/PPO License Number: 27573

Specialties: Asset Checks, Bank and Accounting Fraud, Civil Investigations, Corporate Investigations, White Collar Crime


CALI Member since: 10/22/2011
CALI District: Los Angeles

Michael Youssef



Blue Systems International
PO Box 4415
Westminster CA 92684
United States

Phone: 714.592.8000

PI/PPO License Number: 28286

Specialties: Adjusting Insurance, Asset Checks, Background Investigations, Bank and Accounting Fraud, Bodyguard, Child Abuse, Child Custody, Civil Investigations, Computer Crimes, Corporate Investigations, Covert Video, Criminal Investigations, Defense, Domestic, Drugs, Executive Protection, Identity Theft, Insurance, Internet Security, Medical/Legal Malpractice, Missing Heirs, Missing Persons, Missing Pets/Animals, Motorcycle, Mystery Shopping, Organized Crime, Personal Injury, Photography, Polygraph, Probate, Probate/Missing Heirs, Process Service, Products Liability, Public Interest Investigations, Real Estate, Security, Skip Trace, Surveillance, Technical Surveillance Countermeasures, Trial Preparation, Truck, Undercover, Voice Stress, White Collar Crime, Workplace Investigations


CALI Member since: 08/08/2013
CALI District: Orange

Mark Zane



Zane Investigations, Inc.
9 Greg Street
Sparks NV 89431
United States

Phone: (800) 660-8177
Cell Phone: (775) 842-9289

PI/PPO License Number: 26637

Specialties: Criminal Investigations, Defense

Education and Experience: Graduate. FBI National Academy

CALI Member since: 04/19/2016
CALI District: None

Robert Zehrung



Mainstream Investigations
1401 Vinmar Court
Roseville CA 95661

Phone: 7072458092

PI/PPO License Number: 24629

Specialties: Defense, Insurance, Surveillance


CALI District: Sacramento

Edward Zemaitis

Certified Security Professional

Overland Security Services, LLC
P.O. Box 145
1517 Stowell Center Plaza, Suite L
Santa Maria CA 93456
United States

Phone: 805.925.2216
Cell Phone: 805.345.6599

PI/PPO License Number: PPO 15268

Specialties: Asset Checks, Bodyguard, Construction Sites, Executive Protection, Firearms, Patrol, Process Service, Security

Education and Experience: Member; California Rural Crime Prevention Task Force 40 years business and management Certified Protection Professional (ASIS)

CALI Member since: 12/29/2014
CALI District: Central Coast

Wei Zhao



American Professional Investigations, Inc.
2440 South Hacienda Boulevard
Suite 215
Hacienda Heights CA 91745
United States

Phone: (888) 258-6611
Website: http://usabi.com

PI/PPO License Number: PI-24227

Specialties: Asset Checks, Background Investigations, Civil Investigations, Corporate Investigations, Covert Video, Criminal Investigations, Defense, Domestic, Missing Persons, Process Service, Real Estate, Security, Skip Trace, Surveillance, Undercover, Workers' Comp


CALI Member since: 05/19/1997
CALI District: Los Angeles

Jim Zimmer

Lifetime Certified Professional Investigator
Award(s): Distinguished Achievement Award

Benchmark Investigations
32158 Camino Capistrano
Suite A-415
San Juan Capistrano CA 92675
United States

Phone: (949) 248-7721
Cell Phone: (949) 683-1911

PI/PPO License Number: PI12651

Specialties: Asset Checks, Background Investigations, Civil Investigations, Corporate Investigations, Domestic, Insurance, Missing Heirs, Missing Persons, Mystery Shopping, Personal Injury, Photography, Probate, Probate/Missing Heirs, Process Service, Products Liability, Public Interest Investigations, Real Estate, Skip Trace, Surveillance, Trial Preparation, Undercover, Workers' Comp, Workplace Investigations

Education and Experience: BS in Business Administration: Pennsylvania State University 1971. Dean's List

CALI District: Orange

Anthony Zinkus


Award(s): Founding Member

Anthony Agency, Inc.
P.O. Box 40668
Tucson AZ 85717
United States

Phone: 520-795-0606




CALI District: None

Gary Zvirblis



Contraband Control Specialists
P.O. Box 2365
Bakersfield CA 93303
United States

Phone: (661) 336-0617
Website: http://

PI/PPO License Number: PI19465

Specialties: Covert Video, Drugs, Surveillance


CALI Member since: 08/17/2011
CALI District: Golden Valley

Walter Zwonitzer


Award(s): Distinguished Achievement Award, Founding Member

Zwonitzer Group
4139 Avenida Sevilla
Cypress CA 90630
United States

Phone: (714) 236-0373

PI/PPO License Number: PI4031



CALI District: Orange