On Assignment Inc. is a global provider of professionals for requirements in the life sciences, healthcare and technology sectors. The Company provides short and long-term placement of contract, contract-to-hire and direct hire professionals. It operates through four operating segments: Apex, Oxford, Life Sciences and Physician. Apex segment is a provider of information technology (IT) staffing and services. The Company operates through the following subsidiaries: CyberCoders Holdings, Inc. (CyberCoders), a provider of permanent placement services; Whitaker Medical, LLC (Whitaker), a provider of physician staffing and services; Apex Systems, Inc. (Apex), a provider of information technology staffing and services, and Warphi N.V. (Valesta), a provider of specialized clinical research staffing.