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Welcome to OEI

One Elite Investigations & Security Service Inc. is a California licensed and insured full service private investigation firm operated by career law enforcement and federal agents. We pride ourselves on being professional and discrete and have built a reputation for being successful and direct with our cases.
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Who needs criminal

investigations?

OEI is here to assist any accused persons to mount a successful defense. As such, our criminal defense investigations may include.
  • Criminal Investigations
  • Child Abduction & Missing Person
  • Criminal Defense Investigations
  • Family law
  • Fraud Investigations
  • Process Service
  • Surveillance
  • Executive Protection
  • Workers Compensation
  • Environmental Protection
  • Wildlife Protection
  • Land Management and Environmental Security
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Workers

Compensation

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Services

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West Los Angeles
  • Beverly Hills
  • Hollywood
  • Sherman Oaks
Coast
  • Malibu
  • Long Beach
  • Newport Beach
  • Laguna Beach
  • Huntington Beach
  • Seal Beach
  • Irvine
Inland Empire
  • Glendora
  • La Verne
  • Claremont
  • Upland
  • Rancho Cucamonga
Additional Cities
  • Riverside County
  • San Bernardino County
  • Palm Springs
  • Blythe

Workplace

Investigation

Human Resource Managers are constantly under pressure and have a lot of responsibilities this includes the unenviable task of conducting workplace investigations, commonly referred to as HR investigations or workplace investigations.

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