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Clifford L. O'Brien, Jr., C. L. O'Brien, Jr. and Associates
P.O. Box 112, Bangor City
Maine 04402
Phone: 207-942-5400, 800-833-0738
Expertise: Attorney & Legal Services: Criminal Investigations, Civil Investigations, Trial Preparation, Process Service, Witness Locating, Witness Interviewing, Surveillance, Estate Matters, Domestic / Matrimonial Matters, Accident, Fire Scene Photography, Document Retrieval, Background Investigations, Nursing Home and Elder Abuse, Due Diligence; Insurance Industry Services: Surveillance, Workers Compensation Claims, Personal Injury Claims, Property Inspections; Business & Corporations: Background Investigations, Pre-Employment Screening, Tenant Screening, Property Inspections, Due Diligence; Personal: Domestic / Matrimonial matters, Missing Persons, Background Investigations, Property Inspections, Tenant Screening

Douglas J. Calderbank, Calderbank Investigation
P.O. Box 10928, Portland City
Maine 04104
Phone: 207-773-8715, 888-374-7356
Fax: 888-374-7357
Expertise: General Investigations: Surveillance, Workers' Compensation, Marital Infidelity / Pre Marital Screening, Activity Checks, Background Checks, Employee / Tenant Screening, Employee / Tenant Screening, Medical Malpractice, Asset / Financial Investigations, Missing Persons, Nationwide Skip Tracing; Attorney Services: Civil & Criminal pre-trial, Civil Process Service, Accident Investigations, Witness Statements, Locate Lost Witnesses, Personal Injury Investigations, Court Records Research, Asset Searches; Database Research & Investigations: Criminal & Civil Records, Driver License History, Driver License History, Birth & Death Records, Sex Offender Registries, Address Search, SSN Verification, Phone Number Verification, Corporate Records, Bankruptcies, Liens & Judgments, Real Property Records, Professional License Verifications; Special Services: Polygraph Testing, Auto Accident Reconstruction, Email Tracing, Internet Profiling, Specialized Telecom Investigations, Computer Forensics & Data Recovery, Child Custody, Undercover Operations, Debugging / Countermeasures, Forensic Photography, Protection Services, Nursing Home Investigations, Arson Investigation, cause and origin,

Agency
25 School St, Augusta City
Maine 04330
Phone: 207-620-7000, 207-485-1040
Expertise: Business Services: Pre-Employment Screening, Drivers License Reports, Revolving Drivers License Reports, Pre-Tenant Screening, Attorney Assistance, Claims Fraud Investigation, Employee Theft, Heir Locating, Professional License Verification; Professional License Verification: Child PC Monitoring, Background Searches, Missing Person Location, Child Custody Investigations, Domestic Infidelity Investigations, Motor Vehicle Registration, Driver License Records, Motor Vehicle Title Records, Criminal History Search, Civil Violation Search, Child Support Investigations, Stolen Property Recovery, Child/Parent Caregiver Screening , Birth/Death Records, Marriage/Divorce Records, Phone/Address Verification, SSN Verification, Sex Offender Status

First Protection Services, Inc.
89 Mussey Road, Scarborough City
Maine 04070
Phone: 207-883-7997, 877-883-7997
Fax: 207-883-9988
Expertise: General Investigations: Background Checks, Worker's Compensation & Insurance Fraud, Marital Infidelity, Missing Persons, Domestic, Undercover Investigations, Video Surveillance, Stalking Victims - Investigations & Protection, Asset Searches, Research and Document Retrieval, Civil & Criminal - Data Base Research; Corporate & Attorney Services: Corporate Due Diligence, Pre-Employment/Tenant Screening, Loss Prevention/Employee Theft, Pre-Trial & Litigation Support, Locate and Interview Witnesses, Subpoena Service, Executive Protection

Central Intelligence
4 Dane Street, Kennebunk City
Maine 04043
Phone: 207-985-9911, 888-468-3551
Fax: 207-985-0201
Expertise: Information & Network Security, Security Assessments, Insurance & Database Services: Background Investigations, Pre-Employment Screening, Personal Injury Claims, Contestable Death, Liability Claims, Litigation Support Services, Missing Person Locates, Undercover Investigations, Witness Locates, Undercover Employment Placements, Interview & Interrogation, Worker Compensation Investigations, Corporate Filings & Charters, Criminal& Civil Records, Death & Probate Filings, Drivers License History, Marriage & Divorce Records, Professional Licensing Records, Property Searches, Public Records Searches; Disaster Recovery Planning & Assistance

Atlas Agency, Inc.
P.O. Box 2146, Bangor City
Maine 04402
Phone: 800-258-7737
Fax: 800-660-2500
Expertise: Surveillance, Special Investigations Unit (SUI) Functions, Statement Taking and Interviews, Locating and interviewing Witnesses, Corporate Investigations, Process Service, Civil & Criminal Investigations, Consultation, Attorney Services

Paul Durost, Atlantic Security and Investigative Services
P.O. Box 279, Bar Harbor City
Maine 04609
Phone: 207-288-3999
Expertise: Employee Theft Investigations, Background Investigations (Employment/Tenant), Objective Pre-Employment Interviewing, Employee Misconduct Investigations, Skip Tracing, Infidelity Investigations, Sexual Assault Investigations, Abuse Investigations, Process Serving, Title searching and abstracting, Witness Locating, Evidence Collection, Criminal Defense Investigations, Insurance Fraud Investigations, Workers Comp Investigations

MAGNUS P.I. Investigations
45 Pleasant Street, Houlton, City
Maine 04730
Phone: 207-538-5188, 800-939-1941
Fax: 866-872-1798
Expertise: Accident Investigations, Asset/Locating, Attorney Legal Services, Background Checks, Cable Piracy, Criminal and Civil Defense Investigation, Customs related Investigation, Loss Prevention, Security and Alarms, Marine Accidents, Mystery Shopping, Pre-Employment Screening, Process Service, Record Searches, Surveillance ,Workman's Comp, Witness Locating

Thomas Fahey, Fahey Investigations
P.O. Box 163, Bath City
Maine 04530
Phone: 207-837-0686
Expertise: Criminal Investigations: Criminal Defense Investigations, Internal Theft Investigations, Computer & Internet Crimes Investigations, Computer Forensics; Civil Investigations: Accident Investigations, Liable Investigations, Loss Investigations, Dispute Investigations; People Investigations: Missing Persons Investigations, Sexual Harassment Investigations, Discrimination Investigations, Pre-Employment Background Checks

S.O.G. International
P.O. Box 777, Waterboro City
Maine 04087
Phone: 207-871-7777
Expertise: Investigations, Loss Prevention, Surveillance, Intelligence

If you are a private investigator, a private detective, or offer investigation services in Maine and would like to be listed here, please contact us.