California city coverage
Ontario Private Investigator
National Intelligence Group provides licensed investigative support serving Ontario and surrounding San Bernardino County communities. This page identifies a service area and does not claim that we maintain an office in Ontario.

California city coverage • Professional • Discreet • Documented
Local assignment planning
Fieldwork built around the real location.
Ontario assignments often involve logistics corridors, commercial facilities, hotels, airport-area activity and connections across western San Bernardino County. Field plans account for freeway travel, shift schedules and the real observation environment.
Services commonly requested
- Attorney and litigation support
- Surveillance and activity documentation
- Witness and subject locates
- Interviews and statements
- Employer and insurance matters
- Process-service investigative support
How the assignment starts
Initial intake is used to review conflicts, jurisdiction, urgency and authority. Sensitive evidence should not be submitted through the first-contact form. Work begins only after acceptance and the appropriate written contract.
National Intelligence Group, LLC · CA PI License #24825 · 909-447-8458
