Sigma Agency Professional Affiliations 

• Association of Certified Fraud Examiners
• American Society for Industrial Security
• American Board of Homeland Security
• FBI National Academy Association
• Federal Criminal Investigation Association
• Association Former Intelligence Officers
• International Association of Chiefs of police
• Massachusetts Chiefs of Police Association
• Southeastern Massachusetts Chiefs of Police Association
• Licensed Private Detectives Association of Massachusetts
• Vidocq Society
• United States Marshals Service Association
• South Shore Chamber of Commerce