SEM vs IOSP Comparison

Select Medical Holdings Corp is a healthcare company that operates through three segments: critical illness recovery hospitals, rehabilitation hospitals, and outpatient rehabilitation clinics. Critical illness recovery hospitals which derives maximum revenue consists of hospitals designed to serve the needs of patients recovering from critical illnesses, often with complex medical needs. The rehabilitation hospital segment consists of hospitals designed to serve patients that require intensive physical rehabilitation care. Patients are typically admitted to critical illness recovery hospitals and rehabilitation hospitals from general acute care hospitals. The outpatient rehabilitation segment consists of clinics that provide physical, occupational, and speech rehabilitation services.

Innospec Inc manufactures and sells a variety of chemicals and fuel additives. The firm organizes itself into three segments based on product type. The Fuel Specialties segment, which generates the majority of revenue, sells products used to improve fuel efficiency, boost engine performance, and reduce emissions for automobiles, boats, and airplanes. It also sells products used by oil field service providers in the extraction of oil and gas. The Performance Chemicals segment sells products to the personal-care industry. The Oilfield Services segment develops and markets products to prevent loss of mud.