State Wide

California Association of Licensed Investigators
California Association of Licensed Investigators is the largest private investigator association in the world.
http://www.cali-pi.org/

Inside California

Adverus Inc.
Private Investigation, Environmental Consulting and Homeland Security Services
http://www.adverus.com/

Arcy Investigations
A.R.C.Y. Investigations, Inc our Association of Retired Cops for You Based in California, networked across the United States. Co Owner is an attorney, After years of experience in the US ARMY, ...
http://www.arcyinvestigations.com/

Ariel Investigations (San Dimas)
Home Page
http://www.arielpi.com/

Baker Street Group
The Baker Street Group is a team of experienced, highly trained, resourceful, discreet, and ethical private investigators located in San Diego, California.
http://www.bakerstreetgroup.com/

Barbary Coast Investigations (San Francisco)
San Francisco, California private investigators. Barbary Coast Investigation Agency providing full service investigations throughout the San Francisco area.
http://www.bcinvestigations.com/

Bay Consulting Group (San Francisco)
Bay Consulting Group. San Francisco, California private investigators specializing in surveillance, workers compensation, elder abuse and fraud investigations.
http://www.bayconsultants.com/

Bob Pearce and Associates (Palmdale)
Robert Pearce, California private investigator, Serving the Southern California area
http://www.bobpearce.com/

BODO Professional Investigations (Big Bear City)
a private detective and professional forensic investigator with over two decades of experience
http://www.bodopi.com/

C.J. Ford Private Investigation (Tustin)
private investigation C.J.Ford accident investigator detective
http://www.cjfordpi.com/

California Bureau of Investigative Services
California Bureau of Security and Investigative Services
http://www.bsis.ca.gov/

California Investigation Services
Find a California Private Investigator right here! - California Investigation Services - Woodland Hills
http://www.calipi.com/

Camellia Investigative Services (Sacramento)
30 years of experience to attorney in all areas of private investigation services in California, nationwide and worldwide.
http://www.camelliainvestigativeservices.com/

Cameron Investigations (Manhattan Beach)
Cameron Investigations, a private investigation agency, based in southern California, which offers complete services including asset location/recovery, accident reconstruction, personal/home ...
http://www.cameroninvestigations.com/

CASEAssist (Fairfield)
Whether you already have an attorney or not, you need to become your own best advocate. You will get the most from your counsel if you are well prepared with the right information and the right ...
http://caseassist.com/

Cobalt Services
Welcome. Our Pledge Our goal at Cobalt Services is to provide you with the best investigative services at the most competitive prices. We will work closely with you to formulate the most effective ...
http://cobalt-services.com/

Computer Forensics P.I. (Modesto)
Computer Forensics private investigator
http://www.hitechpi.net/

Computer-Investigators.com (Acton)
International Computer Investigators leading los angeles computer forensics firm.
http://www.computer-investigators.com/

Cooke and Associates
Cooke and Associates is a Security and Investigations firm, owned, operated and staffed by current and former full time Law Enforcement professionals with decades of real world experience.
http://www.cookepi.com/

DeRocili & Associates (Ontario)
california private investigations covering the entire state
http://www.investigate-it.net/

Don Georgino Investigations (Los Angeles)
Don Georgino Investigations Don Georgino Investigations is an internationally diversified investigations firm with offices in the United States (Los Angeles, California) and South East Asia ...
http://www.angelfire.com/ab7/asiavest/investigations.html

Donofrio & Associates
is the web site for Donofrio Associates, a licensed and insured California private investigation and consulting company founded in 1975. We provide professional and confidential private ...
http://propi.com/

Drug Detection Dog Teams (Palm Springs)
"DOPE STINK".If you don't believe me ASK MY PARTNER HOMELAND SECURITY DOGS for BOMB DOGS Drug Detection Dogs is a licensed private investigation service located in Palm Springs, CA. We providide ...
http://narcdogs.com/

Due Process Attorney Services
Bakersfield CA private investigator Kern County California investigations skilled professional investigators Due Process Attorney Services process server attorney services skip-tracing CT ...
http://www.bakersfield-process-server.com/

East Bay Detective Agency (Oakland)
We specialize in locating people, private investigations, asset searches, background checks, etc.
http://www.eastbaypi.com/

ESI International, Inc. (San Diego)
Founded in 1986 by former Special Agents of the Federal Bureau of Investigation (FBI), ESI International, Inc. provides private investigation and consulting services to the legal, financial, and ...
http://www.esi-int.com/

Filley & Associates (Lincoln)
San Francisco private investigator firm in San Francisco, California, San Rafael, CA and China. We listen carefully. We recommend. We bill fairly. Free Consult.
http://www.filley.com/

Filley and Associates - Private Investigator (San Francisco, San Rafael) New!
San Francisco private investigator Filley and Associates offers professional investigation services throughout the SF Bay Area. We speak English, Mandarin, Cantones and Spanish. Free, confidential ...
https://www.filley.com

Fog City Investigations (Novato)
Private Investigator in the San Francisco area specializing in San Francisco surveillance, San Francisco private investigations, insurance fraud, San Francisco firearm training and more. We get ...
http://www.fogcityinvestigations.com/

Gailey Associates, Inc. (Long Beach)
Gailey Associates, Inc. A Professional Private Investigation and Legal Support Firm Subscribe to our Newsletter: Gailey Associates, Inc. has been providing investigative and intelligence ...
http://www.gaileyassociates.com/

Gladding & Michel Investigations (San Francisco)
Gladding and Michel, Inc. offers professional investigative services to the entire northwest and southwest regions of the US. Missing persons, insurance related investigations, surveillance, ...
http://www.gladding-michel.com/

Grant Services
Grant Services, a licensed and insured Private Investigation / Security Consulting Firm, is a division of Executrax Incorporated, a Professional Corporation.
http://www.grant-services.com/

Gregory Yancey Investigations & Legal Services
Gregory Yancey Investigations and Legal Services - Specializing in all aspects of Workers' Comp Investigations - including surveillance, confidential interviews, obtaining court, DMV and medical ...
http://www.gyinvestigations.com/

Gumshoe Detective Agency, Inc. (Auburn)
http://gumshoedetectiveagency.com/

Haig & Lewin
Haig & Lewin, Multi-line Independent Claims Adjusting, Private Investigation serving California. Experienced staff to handle all your adjusting and investigative needs.
http://www.haig-lewin.com/

Hallstrom Detective Agency
Detective agency, detective agencies, at Hallstrom Detective Agency, our private detectives / investigators search for and find people, no locate, no charge. We also search for and find assets. If ...
http://www.hallstrom.com/

Harder & Associates (Los Altos)
Private Investigators Harder & Associates in the Bay Area, California.
http://www.espeye.com/

Hilton Investigations (Morgan Hill)
Hilton Investigations is a full service agency, providing investigative services to the corporate, government, insurance, and legal communities in the San Francisco bay area since 1979. We serve ...
http://www.hiltonpi.com/

HireRight
HireRight provides employment background screening services. If your company is in need of background screening services, background checks, drug screening or skills assessment, visit the ...
http://www.hireright.com/

HIRE-SAFE (Campbell)
All employment background checks are NOT the same! Legally compliant Pre-Employment Background Screening and Drug Testing. We are licensed and insured.
http://www.hiresafe.com/

Hodson and Associates Private Investigations (Fullerton)
Full Service Private Investigations Based in Ornage County, CA
http://www.investigatorforyou.com/

InCase (Santa Barbara)
InCase brings professional and highly experienced individuals to our team, Licensed Private Investigators including former FBI and Law Enforcement. Integrity, Security, a Trusted Source
http://incaseconfidential.com/

Inter-Agency Investigations (Beverly Hills)
Los angeles California Private Investigators - Info. By Credit Card On Line Background Check - Surveillance - Phone s - Missing Person
http://www.interagencyla.com/

Investigation Logic, Inc. (San Francisco)
DISCOVERY - Investigation Logic is an expert in the acquisition of records through the out-of-state commission process. PI 21289 565 Commercial Street, 4th Floor San Francisco, CA 94111 ...
http://www.investigationlogic.com/

Investigation Offices of Southern California (Los Angeles)
IOSC Is A Full Service Investigation Agency Providing The Service You Demand At Rates You Can Afford Detectives in Ventura Los Angeles Orange San Bernardino Riverside San Diego
http://www.investigationoffices.com/

Investigative Resources International (Long Beach)
Professional private investigation firm. Experienced investigators and detectives providing specialized investigative services.
http://www.factfind.com/

ISC Investigations - Private Investigators & Process Servers- (Los Angeles)
We are a licensed, insured and bonded private investigation and process serving firm offering services to Los Angeles, Orange, San Bernardino and Riverside Counties.
http://www.iscinv.com/

J R Investigations
California Private Investigator located in Woodland Hills Los Angeles California
http://www.cali-pi.com/

J.T. and Co Investigative Services
JT&Co Investigative Services of Central California for comprehensive investigations, consultant, and referral needs
http://www.jtandcopi.com/

Jack Trimarco & Associates
Jack Trimarco Polygraph and Investigative Services offers polygraph testing and private investigation services.
http://www.jacktrimarco.com/