California Detective Agencies and Investigators
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Our Motto

"Man is the most dangerous game."

Richard Connell

• Adverus Inc.
  Private investigators, environmental consultants and homeland security experts.

• Aguilera and Associates
  Providing investigators for attorneys, insurance companies and businesses as well as legal photocopy services.

• Allegiance Investigations
  Specializing in infidelity cases, Los Angeles.

• Andrew Price Investigations
  Providing workers' compensation defense investigations to California business community.

• Arcy Investigations
  Bay Area Investigations.

• Ariel Investigations
  Female owned business, La Verne.

• Artikon Investigations
  Los Angeles Private Investigators Agency.

• Asiavest Investigative Services
  Private investigators with offices in Asia and the United States.

• Avatar Investigations
  Former INS employee handling wrongful convictions in the Los Angeles area.

• Baker Street Group
  Providing consulting and investigative services to the business and legal communities

• Barbary Coast Investigations
  Background and surveillance specialists, San Francisco.

• Bay Consulting Group
  Conducting fraud, elder abuse, AOE/COE investigations. San Francisco Bay Area.

• Blackhawk Investigations
  Full service agency located in Riverside County.

• California Association of Licensed Investigators
  This is the largest private investigation association in the State of California

• California Bureau of Investigative Services
  All California investigation companies can be verified through the BSIS

• California Investigation Services
  Woodland Hills, specializing in locating individuals, background and fraud investigations.

• Cameron Investigations
  Specializing in personal security and backgrounds, located in Manhattan Beach.

• Carman Investigations
  San Diego investigative and security consultant services.

• Caruso Investigations
  Provides asset assessments, people location, and litigation preparation in San Bruno.

• CASEAssist
  Specialized site to assist you with the defense of your legal case.

• The Catalina Group
  Provide a wide range of services for corporate clients, the legal profession and the general public.

• Centennial Investigative Specialists
  Los Angeles area investigative firm.

• Central Coast Investigative Services, Inc
  Full service private investigations company in Central California.

• Chris Ghandour Investigations
  Provides infidelity investigations.

• C.J. Ford Private Investigation
  Offers litigation support, judgment recovery, skip tracing, and paralegal services in Placentia.

• Cobalt Services
  Located in Redwood City, specializing in domestic investigations, records research, backgrounds, adoptee locates.

• Covenant Investigations
  San Gabriel, specializing in felony criminal defense investigations.

• Cross-State Investigations
  Providing services to companies, attorneys, insurance industry, investigators, and the general public.

• CTC International Group, Inc.
  Investigative agency that gathers worldwide business intelligence. West Palm Beach.

• D. Long Investigations
  Sacramento based company firm specializes in insurance, healthcare fraud.

• DeRocili & Associates
  Investigative firm covering the entire state, serving individuals, corporations, and government.

• Detectx Investigations
  Los Angeles agency, with coverage throughout Latin America

• Don Georgino Investigations
  Extensive international and domestic investigative experience.

• Donofrio & Associates
  Multi talented agency in the San Francisco Bay area.

• Drug Detection Dog Teams
  Man & Dog Teams, Explosives or Drug Detection

• Due Process Attorney Services
  Bakersfield investigative firm

• East Bay Detective Agency
  Oakland agency owned by former California State Police officer.

• Epic International
  An international risk management firm.

• Executive Intelligence Service
  Perform investigations of elder abuse, fraud and child abuse.

• Filley & Associates
  A San Francisco firm.

• Fog City Investigations
  Full service agency in the San Francisco Bay area.

• Gailey Associates, Inc.
  Specialists in investigative services with offices in Los Angeles, Signal Hill and Irvine.

• George Cramer Investigations
  A full service agency serving attorneys, corporations, and insurance.

• Grant Services
  Public and private sector investigations.

• Gregory Yancey Investigations & Legal Services
  Workers' comp liability specialists, Salinas,

• Gubach and Associates Investigations
  Specializes in digital surveillance for the insurance industry and private clients.

• Gumshoe Detective Agency, Inc.
  full service private investigative agency located in Auburn.

• Haig & Lewin
  Personal and commercial investigation and adjusting services in Northern California.

• Hilton Investigations
  Providing litigation support, claims investigation, and investigative research in the Bay Area.

• HireRight
  Employment background screening services.

• HIRE-SAFE background screening
  Employment Backgrounds, Drug Testing & Integrity Assessment.

• Hodson and Associates
  Full service private investigations firm with worldwide experience covering the state.

• HRandMISHelp.com
  Specializing in personnel related investigations, pre-employment background investigations.

• ICS/PICS
  Full service firm based in Anaheim providing service to business, insurance and the legal community.

• InCase
  Services for attorneys, businesses and individuals, nationwide.

• Internal Affairs Investigative Services
  An experienced, professional, and efficient agency serving all of California.

• Investigation Logic, Inc.
  provides litigation support services to the California legal community.

• Investigation Offices of Joe Jackson
  Specializing in civil rights, hostile workplace, process service, background and asset investigations. Based in Palm Desert, California.

• Investigation Offices of Southern California
  Full service agency located in Los Angeles and Temecula.

• J R Investigations
  Specializing in locating persons, assets, backgrounds and fraud investigations.

• Jack Trimarco & Associates
  Polygraph testing and private investigation services.

• Jeremy Maurer & Associates
  San Francisco Bay Area providing a full range of investigative services.

• Jim Williams Investigations
  Professional confidential investigations with judgment recovery and enforcement.

• JK & Associates
  Serving business, attorneys and executives, Escondido.

• JMN Investigations
  Workplace violence and background checks, Lodi.

• John A. DeMarr, P.I.
  Orange County based investigative firm.

• John L. Taylor & Associates
  Provides full service investigations in the Santa Barbara area.

• J.T. and Co Investigative Services
  Fresno area retired city police detective.

• Katz Investigations
  Investigative agency with offices in Beverly Hills.

• Knight Star Investigations
  Specializing in video and photographic surveillance operations, Los Angeles.

• Law and Associates Investigations
  Fresno and Central Valley, specializing in AOE/COE, Backgrounds, and Internal Affairs.

• Lawles Enterprises
  El Segundo, security and background information specialist.

• Legal Support Investigative Service
  LSIS is a full service investigative agency.

• Liability Management International, Inc.
  Private investigative & security agency based in San Francisco.

• LJB Investigations
  Anaheim firm with emphasis on commercial, criminal and industrial fraud.

• Martin Investigative Services
  A full-service agency composed of former federal agents, located in Anaheim.

• McCoy Investigations
  Pre-employment screening, Carmichael.

• McDonnell Research Services
  Private investigation, Claremont.

• McKinley Investigations
  Serving the Central Coast, Santa Barbara & Ventura counties.

• Melinda Cole & Associates
  Offering asset investigations to surveillance to computer forensics.

• Mendenhall Investigations
  San Diego County, serving individuals, corporations, insurance and Attorneys.

• National Bail Enforcers
  Private investigator specializing in locating missing persons, background checks and surveillance.

• Nazarian and Associates
  Private detective and security services in Los Angeles and Beverly Hills.

• Neal Investigations & Polygraph
  21 years police experience in a variety of specialized areas.

• Nelson & Nelson Investigations
  Specializes in surveillance & activity checks, Irvine.

• New Centurion Investigations
  Nationwide corporate, surveillance, and executive protection services.

• Nichols & Associates
  Full service agency located in Sacramento with statewide resources.

• Northern California Private Investigations
  Service representing individuals and businesses, Redding.

• O.H.I. Services
  Private investigations and computer forensics in southern California.

• Omega Investigative Agency
  A full service investigative firm.

• Paladin Investigative Services
  Specializes in homicide involving firearms, Ventura.

• Paladini Investigations
  Domestic, premarital and surveillance, Petaluma.

• The Pexis Corporation
  Investigative & security services in San Diego.

• The ProBak Group
  Ontario based private investigations company.

• Probe Information Services, Inc.
  Provides insurance investigations throughout California.

• Proprietary Solutions
  Software piracy and compliance investigations and programs.

• ProtectiveBiz.com
  Provides corporate security, investigations, competative intelligence, pre-paid Legal Services

• R Hahn & Company, Inc
  Consulting and investigative services, specializing in counter-terrorism and explosives.

• Rivera & Associates
  A latino bi-lingual agency located in Fremont.

• Robert Scott, P. I.
  Specializing in background, fraud and missing person investigations.

• Rogers Eagle Investigations
  Offering investigation services for the insurance industry in San Diego.

• San Diego Private Investigations
  San Diego and Orange County focus.

• Scott H. Newby
  Specializes in forensic and aerial photography, San Jose.

• Sierra Investigative Services
  Full service agency serving Northern Central California.

• SJP Investigative Services
  Southern California, including accident investigation, surveillance, locating people, and background checks.

• Star Group Services
  PI, research and locator service.

• Stone Confidential Investigations
  A full service detective agency in Tarzana.

• Teller Group
  Investigations and claims management in San Francisco and Los Angeles.

• Terra Securus Investigation
  Investigation and security services. Southern California and San Diego.

• Thayer Private Investigations
  Provide support to the legal community, business or individual.

• Themis International Private Investigators
  Specializing in surveillance and investigator training.

• Tristar Investigation
  Full service agency, services range from surveillance and backgrounds, to finding missing persons.

• TSW, Inc.
  An investigation and security firm based in Fullerton.

• Verdict Resources, Inc.
  Specializing in background checks, computer forensics, due diligence and environmental liability investigations. Located in Camarillo.

• Vetter Investigations, Inc.
  Surveillance, missing persons, locates, international locates.

• Virginia Y. Harper & Company
  Culver City based full service investigative agency.

• Vision Investigative Services
  A full service firm located in Santa Rosa.

• Western Investigations
  Specializes in Surveillance, AOE/COE, Subpoenas, Background & Domestic, San Diego.

• Western Threat Management
  A full service investigative and security company in Northen California

• William Bower Associates, Inc.
  Palm Springs, serving all of Southern California.

• WJM & Associates
  Full service, agency, providing services to attorneys, corporations, insurance and the public.

• Wolfe's Investigations
  A full-service investigative company.

• ZAP Investigations
  Full service, including security services in the Bay Area.

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