Investigation & Private Detective or Investigator Services in the United States

AAA Carolinas Detective Agency - Specializing in divorce, child custody, surveillance, background checks, personal injury and wrongful death.
A & A Investigations, Inc. - Mobile agency, contains information about services. Includes company history.
Accurate Investigations - Specialize in infidelity, surveillance, and insurance fraud.
Advanced Investigative and Screening Solutions - a Houston based licensed investigations company.
Advanced Surveillance Group, Inc. - Full service investigative agency operating statewide.
Airtight Investigations - Private investigative services nationwide from offices in Maryland and Virginia.
American Protection and Investigations - Investigative firm with offices in California, Colorado, New York, and Pennsylvania.
Bishops Services Inc. - Private investigators with offices in New York, Florida and California.
Blazer Investigative and Security Consultants, LLC - Specializes in insurance fraud as well as divorce and child custody cases. Includes an overview of services, list of professional memberships, and contact details.
Boerger Investigative Services, LLC. - a full service private investigation agency serving all of Ohio.
Bureau Of Private Investigation - Offers information about this licensed, bonded, and insured service in Honolulu.
Capital Investigations - Private investigation and process service in Mobile, Alabama. Provides national service through associates.
Charles Hess Investigations - Full service detective agency servicing Maryland and the United States. Provides confidential and professional investigations for individuals, law firms, insurance companies, private organizations and corporations.
Cipriano Investigations Inc. - investigation services including records searches, process serving, and background checks.
DataTrack Resources, LLC - Glastonbury-based firm that provides computer investigations and data recovery services for individuals, companies, the legal profession and law enforcement agencies.
Downeast Investigative Services, Inc. - full service investigations and are licensed in ME, NH, VT, MA and RI.
Drug Detection Dogs - California based narcotics detection and investigations agency for businesses, schools, and private residences. DEA and BATF licensed
Elliott & Associates, Ltd. - New Mexico based investigative firm offering international services.
The Green Consulting Group, Inc. - is a full service private investigations and security consulting agency.
Grove Investigations - Private investigator for hire based in Houston, Texas.
Hawkeye Investigations - Birmingham agency, offering full-service investigations. Services also available in Montgomery.
Izon Investigations - Specializes in surveillance, infidelity and background checks, gaming enforcement, criminal investigations and insurance fraud. Las Vegas.
Jag Investigation, LLC - Clearwater agency specializing in infidelity, divorce, and child custody cases. Experienced domestic surveillance and executive bodyguard services.
K2C Investigations & Digital Forensics - Lacey Springs agency, offering investigations and forensic analysis of computer media. There are several articles on digital evidence.
Keith A. Weeks - Portland investigator offering services for civil, criminal, business, and environmental matters.
Lemler Investigation & Consultant Services - Mobile agency, offering investigations, consulting, and process service, and notary public.
Matechecks Services - investigation services for background checks, surveillances, civil investigations and process service.
Missouri Process Service & I Spy Investigations - Full service detective agency located in Springfield. Offers private investigators, process service, DNA and paternity testing, people locating, skip-tracing, and nation-wide record research
Night Shade Investigations - Full range of investigative services and is licensed to operate anywhere in Oklahoma.
Northern Lights Investigative Services - civil, criminal and litigation support services in Menomonie.
Paladin International, Inc. - Specializes in catering to the corporate and business communities and select individuals.
Peterson Investigations - Offer a range of investigative services in Vancouver, Washington, including corporate investigations, undercover assignments, fraud investigations, surveillance, and process serving.
Risk Reduction Group - Provides investigations in the areas of franchise royalty assurance and employee theft issues.
Security Consulting & Investigations, LLC - Private investigators offering background checks. Offices in Virginia and West Virginia.
Seer Investigations - specializing in witness interviews and difficult locates.
The Simmons Agency, Inc. - Private firm dealing in individual and corporate cases. Offices in Boston and Cape Cod.
S & H Investigative Services - Insurance investigation firm based in Wilmington.
Sitka Investigative Services, Inc. - Professional investigative services firm providing a full range of investigative and protective services.
Tactical Investigations - Specializing in video surveillance using state of the art equipment.
Tampa Bay Investigations - Agency can assist you in child custody and support disputes, child abduction cases, asset searches, background and employment checks. Serves the Tampa Bay area and central Florida from its Gulfport office.
Underwriters Bureau, Inc. - Private detective agency in St. Augustine provides on-site surveillance, inspections and collateral verification, records retrieval and credential authentication. Collects physical measurements, witness statements, and provides mobile notary services.
VISTA Inc. - Private investigation agency based in Southfield.
Worldwide Person and Information Locators - Cape Coral agency provides tag and drivers license look-ups, statewide criminal history, civil and asset searches and individual credit reports.