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The purpose of this directory is to provide a list of private investigators in your area. You can search for private investigators by state, county, city or zip.

In this directory you will also find companies and individuals that provide services related to private investigation, matrimonial investigation, cheating spouse surveillance, criminal investigation, background research, surveillance etc. All these categories are listed to your left under the section "Search By Category". You can click on any category to find private detectives in that category.

The simplest way to search a private detective is to search by zip code. You can click on Find a Private Investigator to search private investigators by zip code.

ACIS Private Investigator Service
At ACIS Riverside county, our private investigators are experienced prior law enforcement and military personnel with success in conducting investigation. Our PI's are professionals dedicated to searching out the truth. We received the best private investigators and detectives award issued by the City of Oxnard in 2008.
680 S, Waterman Ave # 101
San Bernardino, CA 92408
J&K Investigative Services,Inc.
New Jersey's premier private investigation and process service agency has provided the legal profession and the general public with reliable and efficient services worldwide since 1979.
PO Box 88
Somerville, NJ 08876
Detective International
Detective International ( ' DIL ' in short ), founded and headed by Mr. V. Kulothunga Cholan, M.A., trained in Scotland Yard Discipline and supported by a team of professionals, has a track record of nearly 24 years.
No. 9A, 2nd Floor, Whites Road, Royapettah,
Chennai, Tamil Nadu 600 014
Greves Detectives
presently a leading name in private investigation field in India; the Group has formed various specialized divisions for different types of investigations.
215, vikas kendra, e-block LSC, vikaspuri
New Delhi, Delhi 110018
John R. Spencer Investigations - Connecticut's Premier Investigative Services
John R. Spencer Investigations - Known as Connecticut's Premier Investigative Services for more than 20 years. We do not sell your assignment, we cover it. We're Not in Competition - We are the Competetion. Our Dedication to Customer Service is what sets us apart. Give us a call and experience exactly what all of our client's have been talking about.
40 Moon Road
Connecticut, CT
We provide many clients with a varied list of investigative and research work. Our range covers polygraphs, background checks, surveillance, executive protection. And these are just to name a few.
Intelligence Resource Services
For further information please visit us at
NO 17-04 Jalan Kenari 19A,
Puchong, Selangor 47100
Mayo Group
We specialize in National and International Police Forensics, Vocational Rehabilitation Training, Law Enforcement Training, Polygraph, DNA, Global Private Investigations, Security Training, Surveillance Equipment, Aerial Surveillance, and Drug and Alcohol Testing.
1814 Commercenter W est ste: H
San Bernardino, CA 92408
Free Lance Investigations & Process Serving
Free Lance has been in business since 1979. Barbara was formerly a paralegal with over 35 years of experience and is currently an Oregon licensed investigator. Rodger is a licensed investigator with years of experience in the investigative field.
232 NE Lincoln Street Suite A
Hillsboro, OR 97124
JC Flentz Investigations
JC Flentz Investigations is your source for corporate security and investigations in Orange County. In effect JCFI will be your personal security director ready when needed to provide complete loss prevention and asset protection support.
7755 Center Ave. 11th Floor
Huntington Beach, CA 92647
Sulivant & Sulivant Investigations
Sulivant & Sulivant Investigations is a full service Oklahoma private investigative agency, providing comprehensive and discreet investigations for a vast array of clients.

(918) 895-2530

Oklahoma Private Investigator
201 W 5th St Suite 520
Tulsa, OK 74103

We working with Good Reputation and Professional Efficiency, having Most Intelligent and Powerful Countrywide Network to provide you Result-oriented Inter-State Investigation & Legal Consultation Service
33P, Raja Naba Krishna Street
kolkata, west bengal 700005
WB Investigations
Our team of private investigation experts are all highly trained ?eld experts with diverse backgrounds, ranging from former law enforcement to street savvy detectives with decades of experience.
1026 Woodglen Lance
Stallings, NC 28104
Headquartered in Houston, Texas, has many times lived up to its logo as services provided "AROUND THE CLOCK - AROUND THE WORLD". During the company's short life - 20 years - we have established a reputation throughout the country as a leader in confidential civil & criminal investigations and for providing consultation in the world of protection.
PO Box 1101
Fulshear, TX 77441
Unified Services Agency ,LLC
I would like to take a few moments of your time to provide a brief introduction of our firm, UNIFIED SERVICES AGENCY, and the services we provide to our business, professional and private clients. UNIFIED SERVICES AGENCY is licensed by the Ohio Department of Public Safety to provide private police and investigative services...
1619 Burney lane
cincinnati, OH 45230
Cat's-Eye Intelligence Service
Applications are pending with the Tennessee Division of Regulatory Boards of the Department of Commerce and Insurance, and the Georgia Board of Private Detective & Security Agencies. All courses are also available to Peace Officers seeking CEs from the Texas Commission on Law Enforcement Officer Standards and Education (TCLEOSE).
P O Box 8040
Fort Worth, TX 76124
East Coast Investigations, Inc.
We provide Surveillance & Counter Surveillance • Domestic & Criminal Investigations, Internal Investigations • Protection Services • Process Serving & Locating People • Insurance Investigations • Background Checks services
P.O. Box 894
Clarksburg, MD 20871
Palmer Investigative Services
Palmer Investigative Services has been based in Prescott, Arizona, since 1980. The Yavapai County firm is licensed by the Arizona Department of Public Safety.
PO Box 10760
Prescott, AZ 86304
Copco Protective and Investigative Services
The aim of COPCO Protective and Investigative Services is to provide full protection and safety for all those who seek our assistance on an institutional, commercial or personal level.
28 W. 44th St. Suite 1600
New York, NY 10036
Homeland Protective Group, Inc
Dedicated to providing our clients with the highest level of practical investigations, life & property protection, access control and CCTV installations, and emergency disaster and business resumption planning. We are located in the heart of Wall Street and online at
40 Exchange Place Suite 777
New York, NY 10005
24/7 Investigations, Inc.
Private Investigator Service In Shelton, WA
320 W. ALder St
Shelton, WA 98584
has been active in conducting professional investigations for law firms, insurance companies, major corporations, government agencies and individual clients since 1985. We provide a wide and comprehensive range of services, which are required by our clients worldwide.
TBC Investigations
licensed by the State of Michigan and has been providing commercial investigations since 1980. TBC Investigations believes that everyone is entitled to the truth. At TBC Investigation.
802 e. big beaver
Troy, MI 48083
Official Investigations & Security Services, Inc.
Ohio, Kentucky, and Indiana licensed private investigation and security agency.
3291 W North Bend Rd Ste 3
A London Based Detective Agency specialising in Private and Corporate Investigation.
Wayne M. Rooney Consulting Detective
ANYONE CAN BE FOUND. We operate world-wide. We specialize in finding Missing Children, and Missing Persons in general. All normal investigative services.
P.O. Box 807
Haleiwa, HI 96712
Applied Professional Services
Our highly skilled and experienced investigators posses an intricate knowledge and in-depth understanding of their area of specialty, allowing APS to meet the very specific demands of our clients while continuing to provide a variety of investigative services and resources.
6228 Grand Avenue
Duluth, MN 55808
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