- Airtight Investigations
 - Silver Spring - Full service detective agency. - American Background
- Winchester - Providing pre-employment background check services.
- Capitol Investigator Services
- Providing fraud, background, and employee theft investigation and surveillance.
- eDiligence.com
- Provides research support to law firms, investment banks, and venture capital firms.
- Georgetown Group, The
- Provides investigative services to corporations and law firms.
- Richmond Group International
- Woodbridge - Missing persons, employee screening, corporate investigations, and more.
- Washington Pre-Trial Services, Inc.
- Provides process serving, asset search, and investigative services to law firms and individuals.
|
