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A1 Investigations - Full service detective agency located in Lima, OH.
A1 Investigators - Records checks by agency located in Austin, TX.
A1-Trace USA
Aaron's Private Investigations
ABW International - Fraud, financial and background investigations.
ACE Investigations - Richmond agency licensed by the Virginia Department of Criminal Justice Services.
Acta Investigations - Pre-trial/legal and corporate investigations in Houston, TX.
Acuité Security and Investigations, Inc. - Provides undercover operations in Morrow, GA.
ADR Investigation & Protection - Beachwood, OH investigation, and armed/unarmed security company.
AEGIS Information Services, Inc. - Cumming, GA agency utilizing photographic and electronic surveillance.
Airtight Investigations - Maryland and Virginia licensed civil, criminal, and domestic cases.
Alamo Area Forensics Labs - Forensic document examiner and handwriting expert in San Antonio.
Alpha Group - New York security-investigation company.
Alvie L. Davidson Agency - Skiptracing and missing persons located in Lakeland, FL.
AM Investigations UK - is a United Kingdom based private investigation agency.
American Investigative and Security Services - Located in Houston, Dallas and San Antonio, TX.
American Investigative Specialists, Inc. - Lake Mary, FL civil and criminal investigative service.
Anchor Private Investigations - Ft. Lauderdale, FL specialists in fraud and domestic surveillance.
Answers Investigation - Business fraud, legal support and personal issues specialists.
APB Investigations - Staten Island, NY investigators and research specialists.
Apex Investigations - Surveillance, fraud, criminal and civil investigations in Bonney Lake, WA
Arch Investigations - Confidential private investigations in Portland, OR.
Argyll Investigations - Private Investigators based in Scotland and Brussels.
Assured Services Inc. - Canadian process server and investigation firm.
Atlantic Investigations - Investigations, skiptracing, process service in Decatur, GA.
ATS Investigations - Scottsdale, AZ private investigation and process service firm.
Avatar Investigations - Los Angeles, CA, former INS employee, wrongful convictions investigations.
B&D Resources - Background and criminal checks in St. Petersburg, FL.
Background Check International - Pre-employment screening for larger companies worldwide.
Barbary Coast Investigations - San Francisco,CA background investigations and surveillance.
Barker Investigations - Mira Loma, CA investigator specializing in workers comp claims.
Barnes Investigations - Information for law firms, corporations, individuals and insurance companies.
Barnett & Young Investigations - Investigation services by former law enforcement officers in Naples, FL.
Baxter and Associates, Inc. - Lawrenceville, GA agency provides services in Georgia and Alabama.
Beerman and Associates Investigations, Inc. - Corporate and business counter-intelligence in Houston, TX.
Blue Moon Investigations - Serves personal, legal, insurance and political clients in Houston, TX.
Bolt Claims - Surveillance, investigation and executive protection services in Mellville, NY.
Bombet, Cashio & Associates. - Pofessional investigations in Louisiana for more than 30 years.
Brady Investigations - Private investigation agency based in Houston, TX.
Brian Brown & Associates Inc. - Surveillance and private investigation services worldwide.
Bruce Bullock and Associates - Oklahoma City, OK, surveillance specialists.
Bulgarian Private investigator - providing investigative services from Sofia, Bulgaria.
Bureau Of Private Investigation - Licensed, bonded and insured in Honolulu, HI.
C.J. Ford Private Investigation - Santa Ana, CA background investigation and paralegal services.
Camp Investigation - Morgan Hill, CA, insurance fraud investigation specialists.
Canpro Pacific Services, Inc. - A British Columbia protection and investigation firm.
Caruso Investigations - Provides asset assessments and litigation preparation in San Bruno, CA.
Casey Key PI & Computer Forensics - Specialists in white collar crimes located in Nokomis, FL.
CDI Investigations - Specializing in criminal defense and insurance claims in San Diego, CA.
Centurion Insurance Fraud Investigators - Phoenix, AZ firm specializes in insurance fraud and surveillance.
China Agency - Synergy Associates is a provider of bodyguard and investigation services.
Columbia Private Detective Agency - Investigative agency in Columbia, SC
Comen Detective Agency - Headquartered in Charleston, SC, offices in Georgia, Lousiana, and Florida.
Commercial Detective Agency - Provides surveillance and investigation in Kearny, NJ.
Commonwealth Investigation Agency - Allentown, PA, investigative agency and protection services.
Commonwealth Private Investigations - Tennessee agency that specializes in computer related crimes.
Consumer Investigative Group - Woodland Hills, CA agency specializing in elder care and domestic abuse.
Corporate Investigation Service, Ltd. - Detective and security services in United Kingdom.
Corporate Investigative Services - Claims investigations of all types in Cleveland, OH.
Cowling Investigations - Specializes in false allegation and criminal defense located in Jackson, MS.
Crisp & Associates - Process servers and investigative services in Savannah, GA.
Crumbaugh & Associates - Rossville, GA agency does criminal, domestic and corporate investigations.
Crummey Investigations, Inc. - Investigative research for attorneys located in Melbourne Beach, FL.
CTC International Group - Corporate business intelligence gathering in West Palm Beach, FL.
Curtis Crews Investigations - Jacksonville, FL investigative company, specializing in surveillance.
D. Lee Cox & Associates - Complete investigative and protective services for the public, Huntsville, AL.
D.A.C. Group Ltd. - International investigators, collectors and civil enforcement agents.
Data Quest Investigations, Ltd. - Loss prevention and undercover investigations located in Boston, MA.
DataProbe - Investigative agency with offices in Houston, TX and Marietta, GA.
Davis & Associates - Private investigation and intelligence gathering located in Hollywood, FL.
Delta Investigations - Anaheim, CA, licensed investigators.
Delve Information Resources, Inc. - Insurance subrogation and background checks in Lawrenceville, GA.
Detailed Investigations, Inc. - Pre-trial and traffic accident investigation specialist in Southgate, MI.
Detection.Net Investigation - Ponte Vedra Beach, FL, private investigator and detective agency locates people, checks civil and criminal background.
Dias Investigations and Process Service - Investigative services Yreka, CA.
Due Diligence Data - Financial due diligence background information, located in Boston, MA.
Duncan Investigations - A global investigation firm located in Winnipeg, Manitoba, Canada since 1989.
E.D. Loven & Associates - Temple, TX agency offers criminal history checks and fraud investigation.
East Bay Detective Agency - Oakland agency owned by former California State Police officer.
Eastern Arizona Investigations - Lakeside, AZ firm serving the legal, insurance and public sectors.
Elliott and Associates, Ltd. - A New Mexico based agency that conducts international investigations.
Endert Investigative Services - Licensed general private investigation and surveillance firm in Benicia, CA.
Expo Confidential Services, Inc. - Criminal investigations and surveillance in Orlando, FL.
Eye One Investigation - Memphis, TN, agency provides services for a wide variety of clients.
Eyewitness Investigations - Spouses followed, surveillance, tailing located in West Melbourne, FL.
Find Anyone - San Antonio, Texas-based full service investigations firm, background checks, bodyguards.
Finest Detective Agency - North Ft. Myers, FL, based investigative and protection service.
Finlays Bureau of Investigation Ltd - Private investigator in England
Four Star Private Detective Agency - Marietta, GA surveillance, skip tracing and subpoena service.
FPG Investigations - Specialist in helping attorneys and insurance companies in Lodi, CA.
Frank T Funke III Associates, Inc. - Investigation and surveillance located in Jupiter, FL.
Garner Investigations - Wisconsin private investigator.
Gerald McMillan Jr - Private investigator in Washington, DC area.
Gerard J. Kelder Jr - Arson investigator located in Kingston, NY.
Gil Wilson - Dallas, TX specialist in pretrial litigation support.
Global Investigative Services - Pre-employment and substance abuse testing in Silver Springs, MD.
Grey Fox, Ltd. - PI firm with offices in Los Angeles, CA, and Tucson, AZ.
Grogan Consulting, L.L.C. - Former FBI agent located in Alpharetta, GA.
H.P. Roy & Associates - Greenwich, RI private investigation agency.
HBG Investigations - Undercover investigations and surveillance in Lithia Springs, GA.
Hobson Associates - Private intelligence gathering agency in the United Kingdom.
Hollywood Private Investigations - Palmdale, CA agency accepts high profile criminal cases.
Horizon Investigations - Everett, WA, Personal and business investigations.
Imohag Detectives - Private Investigation Services
In Focus Investigations Agency - Melbourne, FL, background investigation agency.
Indago Investigations - Melbourne, Victoria, Australia consulting, training, and expert testimony.
Index Investigation & Security Inc. - is a private investigation agency located in Ontario, Canada.
Infinity Investigations - Phoenix, AZ, PI firm specializing in missing persons.
inQuest Investigations - Draper, UT based investigative agency offering confidential service.
Insource Security and Investigation - Bellaire, TX investigation, security and consulting services.
Instant Data Research - Hollywood, FL, based detective agency, member FALI.
Intelec - Corporate investigation agency in Cape Town, South Africa.
Inter-Agency Investigations - Los Angeles, CA private investigation agency.
Inter-Pro Investigations - Retired NYPD Detective Gus Papay located in Chester, NY.
Intercept Investigations - Private investigation and detective agency in Las Vegas, NV.
Intercomm Investigations and Protective Services - a full-service detective agency in Elroy Wisconsin.
InterGlobe Investigations - a Vancouver based investigations and security consulting company.
International Legal Network Ltd - London detective agency providing a wide range of services.
International Procurement Services Ltd - Electronic counter measures sweeps in the United Kingdom.
Investigation Specialists, Inc. - Specializing in surveillance services based in Pembroke Pines, FL.
Investigative Resources International - Long Beach, CA firm offers confidential investigations and fact-finding.
Investigative Services Agency - Chicago, Il agency offers surveillance, fraud, and executive protection.
Investigative Services International, Inc. - Background, corporate and insurance cases in Atlanta, GA.
Investigative Solutions - Forensic examination and litigation support in Atlanta, GA.
Investigators Australia - Private investigators and process servers in New Zealand and Australia.
J J Associates - Process Servers, commercial investigators in the UK and global markets.
James W Kenney Interests - Private investigations agency offering global investigative services.
JC Associates - Investigators for Northern Ireland, The South of Ireland, and the UK.
Jim Born - Las Vegas agency licensed in California and Nevada.
JMN Investigations - Lodi, CA agency accepts workplace violence cases and background checks.
JOCOR Enterprises Inc - Labor law, product liablity, sabotage, fraud investigation in Yorba Linda, CA.
Joe Winter Investigations, Inc - Houston, TX investigation firm with nationwide affiliates.
John H. Couch - Specialty is criminal defense and insurance claims in Mountain Home, TN.
Joslin Investigations - Services in Seattle, WA for criminal and civil matters.
JR Investigations - Local detective agency in Ankeny, IA.
JW Hoover Consulting - Private investigation, training, executive security.
Kelmar and Associates - A nationally recognized investigator and surveillance expert in San Antonio, Texas.
Kilpatrick & Associates - Tucson, AZ, investigative services and related services.
KIS Detective Agency - UK Investigator and fraud specialist.
Kroll Associates Inc. - Corporate security and competitive intelligence agency in Atlanta, GA.
Lantonio & Associates - Personal investigations and attorney services in Philadelphia, PA.
Larrek Investigation - Confidential services to businesses and the insurance and legal professions.
Lawles Enterprises - El Segundo, CA, security and investigation specialist.
Legal Security Consultancy B.V. - Private Detective Agency in the Netherlands.
Leo International Investigations - Licensed Private Investigations
Leonard J. Zacamy Sr. - New Jersey criminal, civil and fraud investigations.
Linda Montgomery Investigations - Licensed private investigation agency in Seattle, WA.
LJB Investigations - Anaheim, CA firm with emphasis on commercial, criminal and industrial fraud.
London Protection International - Security, investigation and protection services located in London, Ontario.
Lookout Investigations - Fresno, CA private investigator handling criminal defense, locating missing persons, surveillance, and fraud cases throughout central California.
Loss Control Security Services - Retail loss prevention firm in the UK.
Loss Prevention Specialists - Agency specializing in inventory control and security in New Orleans, LA.
Malardalen Private Investigators - Private investigative agency in Stockholm, Sweden.
Marksmen - Glendale, CA agency specializing in trademark and patent cases.
Marosi & Associates, Inc. - Offices located in Portland, OR, Vancouver, WA and Seattle, WA.
Max Whittington Investigations - Private detective in Portland, OR since 1975.
McAward-Shaw Associates, Inc. - Investigative consultants in New York, NY.
McGuinness and Associates, Inc. - Certified Legal Investigator and Certified Fraud Examiner in Miami, FL.
McMahon and Associates - Civil, criminal, and general investigations. Located in Ft. Lauderdale, FL.
Merrill's Investigations - Small, private investigation agency in Dover-Foxcroft, ME.
Metodo 3 - Private Investigators with offices in Madrid and Barcelona Spain.
Metro Service, Inc. - Oaklawn, IL private detective with 26 years law enforcement experience.
Midwest Investigative Consultants - Oshkosh, WI agency specializing in high technology crime investigation.
MKD International - Private investigators with over 65 years of professional experience.
Mobley Investigations - Conroe, TX, criminal, civil, and fraud investigations.
Morris Investigations - Kingwood, TX, civil investigators and surveillance specialists.
N-focus Investigations - Specializing in criminal background checks in Greenville, NC.
National Detective Service - Licensed investigator, member FALI in Miami, FL.
Nationwide Investigations Group - a United Kingdom based detective agency operating around the World.
Nelson & Nelson Investigations - Irvine, CA, firm specializes in surveillance & activity checks.
NIA - Specializes in civil and criminal casework in Macon, GA.
Nichols & Associates - Investigator, bail enforcement agent and process server in Spokane, WA.
Nickels Professional Investigations - Manchester, CT agency licensed in NH, MA, CT, ME, VT and RI.
Norman R. Bottom, PhD - Licensed investigator, security and crime consultant in Miami, FL.
North American Investigations - Tampa, FL, litigation support and missing persons.
NuLine Claims - Sarasota, FL private investigations since 1993.
Omega Protective Group - Providing security and investigations in San Antonio and South Central Texas.
On Watch Ltd. - Freeport, NY surveillance agency with additional offices in London.
Pacific East Investigations - Ontario, CA detective agency and records search firm.
Palmer Investigative Services - Prescott, AZ, Private investigations and records searches.
Pamela Sween - Phoenix, AZ Investigator offering legal and collection support.
PC Investigations, Inc. - Lawrenceville, GA, office specializes in insurance fraud and criminal cases.
Peleg Investigations - Investigation services in Israel.
Peter Smith, International Investigator - International fraud enquiries, corporate due diligence.
Peterson Investigations - Portland, OR private investigation firm, also in Vancouver, WA.
PFC Legal Investigations - Private investigation firm located in Mobile, AL.
Phillips Invesitgations - Fraud, theft, and missing persons investigations in Picor Ivera, CA.
Poindexter & Associates, Inc. - Licensed in Virginia, North Carolina and Washington, DC.
Premiere Investigation - Ft. Lauderdale, FL, investigators - see habla espanol.
Pretext Services, Inc - Confidential services for professionals located in North Palm Beach, FL.
Prime Research & Secrets Revealed Investigations - Ackworth, GA video capable surveillance agents.
Priority Investigations - International detective and investigation service.
Private Detectives in France - American Investigations is a Private Detective Agency that is located in France.
PRO-ACT Security Services - Fond du Lac, WI, private detective and security service.
Proedge Group Inc - Investigation, research, process service in Miami, FL.
Professional Investigations - Financial, and corporate investigations in the US, Germany, China, and Mexico.
PSS Private Investigations - Background investigation agency located in Eastpointe, MI.
Quest Investigative Services - Atlanta, GA, Criminal and domestic investigation and process server.
Quinn Inquiries - Private investigators in Leesburg, FL.
R. H. Townsend & Associates - Competitive intelligence gathering firm located in Dana Point, CA.
Randy G. Torgerson P.I. - Litigation support for civil and criminal cases in Laguna Hills, CA.
Ricco Investigations & Security - Over 20 years in domestic casework located in Clinton Twp., MI.
Richard Brooks and Associates - Indiantown, FL, detective and investigative services.
Richard M. Schwartz Investigations - Specialized in fire and explosions, located in Davie, FL.
Richard P O'Neil - Mesa, AZ investigator experienced in background checks and surveillance.
Robert D. Barke & Associates - Civil, criminal and domestic cases, located in Houghton Lake, MI.
Rodgers Investigative Services - A full service investigative agency in Augusta, GA.
Roger P. Gibson, Inc. - Investigation, searches, surveillance and protection in Miami, FL.
Ron Jones Investigations - Professional investigate and consulting services in Gig Harbor, WA.
Ron Scheiderer & Associates - Marion, OH private agency servicing the State of Ohio for 20 years.
Ronald L. Asher - Licensed private investigator in Newark, CA.
Rose Investigation - Sioux Falls, SD, investigation of business and personal matters.
Rotag Investigations - Private investigative services located in Riverview, FL.
RTS Services, Inc. - Investigations and appraisals in Pompano Beach, FL.
Russell and Associates - Tampa, FL, licensed investigation firm.
S.C.S. Investigation & Protection Bureau - Uniondale, NY investigators, security and protection agency.
Sarao and Associates - Hackensack and Atlantic City, NJ, professional investigative service.
SEA Inc. - Arson and insurance investigators in Tampa, FL.
Search Investigations - Domestic and civil investigator in West Palm Beach, FL.
Search Services of Florida, Inc. - St. Petersburg, FL investigator and records search service.
Serna and Associates - Providing discreet, professional investigative services in San Antonio, Texas.
Seymour and Seymour - Granville, WV agency offers various searches to find your missing person.
Shadow Investigations - Private investigation agency located in downtown Salt Lake City, UT.
Sheffield Research - Chicago, IL, business research and corporate investigations.
Shield Investigations & Security Corp. - Boston, MA investigative and security services.
Silverhawk Investigations - Omaha, NE agency offers surveillance and background checks.
Smith Brandon International - Worldwide due diligence and business intelligence gathering.
Southern Pacific Research - Australian investigation firm specializing in locating missing people.
Spinelli Investigations, Inc. - Retired FBI Special Agents operate agency in Scottsdale, AZ.
Stone Confidential Investigations - A full service Detective Agency in Tarzana, CA
Sun Coast Detective Agency - Land O' Lakes, FL background investigations.
T.H.R. Investigations - Offices in Brick NJ, Morrisville PA, and Baltimore, MD.
Tactical Investigative Services - San Diego, CA based agency also licensed in Arizona.
TACTICS International - Private investigations firm with international capabilities.
Talon Investigation - General investigative services in St. Paul, MN.
Tampa Bay Investigations - Licensed investigator in Tampa, FL.
Teller Group - Private investigations and claims management in San Francisco and Los Angeles, CA.
The Corpa Group - Canadian private investigation firm
The Georgetown Group - Investigative services to corporations and law firms in Washington, DC.
The Merrill Group Inc. - Jacksonville, FL, investigative agency.
The Risk Group - Workers Compensation and surveillance cases in Palm Harbor, FL.
The Thin Blue Line - Investigations and protection services in Escondido, CA.
Three Eye - Loss prevention and fraud investigation in West Palm Beach, FL.
Trace Investigations - General investigative agency licensed in Bloomington, IN.
Trasorras Investigations, Inc. - Brandon, FL, agency managed by a former US Secret Service agent.
Troll Investigations - Laredo, TX, firm that offers video surveillance and information research.
TST Investigative Services - Norcross, GA, agency accepts domestic, criminal and missing person cases.
Tyehimba Investigative Services - Decatur, GA, agency specializes in Criminal defense and trial support.
US Trace - Located in Macomb, MI, specializing in hard to locate missing persons.
Video Litigation Group, Inc. - Chesapeake, VA, Investigative firm specializing in video depositions.
VISTA Inc. - Worldwide investigation agency
Warren F. Lee, Jr. - Investigative consultant located in Largo, FL.
Westcoast Investigations - British Columbia investigation and security services.
White Talon Investigations - Serving attorneys, law enforcement, and the public from Pittsburg, KS.
Wilkinson Investigations - Canadian private investigation firm.
WindStar Investigative Network - Pompano Beach, FL, Investigator servicing law firms and corporations.
Without a Doubt Investigations - Sarasota, FL agency specializing in surveillance and background checks.
Zeiler & Associates - Washington and California
Zenith Investigations - Malpractice and personal injury cases located in Tarpon Springs, FL.